fad29605db14d8d52d1f2bb8e93e0c94427f99d0
1#!/usr/bin/env perl
2# Copyright (C) 2006, Eric Wong <normalperson@yhbt.net>
3# License: GPL v2 or later
4use warnings;
5use strict;
6use vars qw/ $AUTHOR $VERSION
7 $sha1 $sha1_short $_revision $_repository
8 $_q $_authors $_authors_prog %users/;
9$AUTHOR = 'Eric Wong <normalperson@yhbt.net>';
10$VERSION = '@@GIT_VERSION@@';
11# From which subdir have we been invoked?
13my $cmd_dir_prefix = eval {
14 command_oneline([qw/rev-parse --show-prefix/], STDERR => 0)
15} || '';
16my $git_dir_user_set = 1 if defined $ENV{GIT_DIR};
18$ENV{GIT_DIR} ||= '.git';
19$Git::SVN::default_repo_id = 'svn';
20$Git::SVN::default_ref_id = $ENV{GIT_SVN_ID} || 'git-svn';
21$Git::SVN::Ra::_log_window_size = 100;
22$Git::SVN::_minimize_url = 'unset';
23$Git::SVN::Log::TZ = $ENV{TZ};
25$ENV{TZ} = 'UTC';
26$| = 1; # unbuffer STDOUT
27sub fatal (@) { print STDERR "@_\n"; exit 1 }
29require SVN::Core; # use()-ing this causes segfaults for me... *shrug*
30require SVN::Ra;
31require SVN::Delta;
32if ($SVN::Core::VERSION lt '1.1.0') {
33 fatal "Need SVN::Core 1.1.0 or better (got $SVN::Core::VERSION)";
34}
35my $can_compress = eval { require Compress::Zlib; 1};
36push @Git::SVN::Ra::ISA, 'SVN::Ra';
37push @SVN::Git::Editor::ISA, 'SVN::Delta::Editor';
38push @SVN::Git::Fetcher::ISA, 'SVN::Delta::Editor';
39use Carp qw/croak/;
40use Digest::MD5;
41use IO::File qw//;
42use File::Basename qw/dirname basename/;
43use File::Path qw/mkpath/;
44use File::Spec;
45use File::Find;
46use Getopt::Long qw/:config gnu_getopt no_ignore_case auto_abbrev/;
47use IPC::Open3;
48use Git;
49BEGIN {
51 # import functions from Git into our packages, en masse
52 no strict 'refs';
53 foreach (qw/command command_oneline command_noisy command_output_pipe
54 command_input_pipe command_close_pipe
55 command_bidi_pipe command_close_bidi_pipe/) {
56 for my $package ( qw(SVN::Git::Editor SVN::Git::Fetcher
57 Git::SVN::Migration Git::SVN::Log Git::SVN),
58 __PACKAGE__) {
59 *{"${package}::$_"} = \&{"Git::$_"};
60 }
61 }
62}
63my ($SVN);
65$sha1 = qr/[a-f\d]{40}/;
67$sha1_short = qr/[a-f\d]{4,40}/;
68my ($_stdin, $_help, $_edit,
69 $_message, $_file, $_branch_dest,
70 $_template, $_shared,
71 $_version, $_fetch_all, $_no_rebase, $_fetch_parent,
72 $_merge, $_strategy, $_dry_run, $_local,
73 $_prefix, $_no_checkout, $_url, $_verbose,
74 $_git_format, $_commit_url, $_tag);
75$Git::SVN::_follow_parent = 1;
76$_q ||= 0;
77my %remote_opts = ( 'username=s' => \$Git::SVN::Prompt::_username,
78 'config-dir=s' => \$Git::SVN::Ra::config_dir,
79 'no-auth-cache' => \$Git::SVN::Prompt::_no_auth_cache,
80 'ignore-paths=s' => \$SVN::Git::Fetcher::_ignore_regex );
81my %fc_opts = ( 'follow-parent|follow!' => \$Git::SVN::_follow_parent,
82 'authors-file|A=s' => \$_authors,
83 'authors-prog=s' => \$_authors_prog,
84 'repack:i' => \$Git::SVN::_repack,
85 'noMetadata' => \$Git::SVN::_no_metadata,
86 'useSvmProps' => \$Git::SVN::_use_svm_props,
87 'useSvnsyncProps' => \$Git::SVN::_use_svnsync_props,
88 'log-window-size=i' => \$Git::SVN::Ra::_log_window_size,
89 'no-checkout' => \$_no_checkout,
90 'quiet|q+' => \$_q,
91 'repack-flags|repack-args|repack-opts=s' =>
92 \$Git::SVN::_repack_flags,
93 'use-log-author' => \$Git::SVN::_use_log_author,
94 'add-author-from' => \$Git::SVN::_add_author_from,
95 'localtime' => \$Git::SVN::_localtime,
96 %remote_opts );
97my ($_trunk, @_tags, @_branches, $_stdlayout);
99my %icv;
100my %init_opts = ( 'template=s' => \$_template, 'shared:s' => \$_shared,
101 'trunk|T=s' => \$_trunk, 'tags|t=s@' => \@_tags,
102 'branches|b=s@' => \@_branches, 'prefix=s' => \$_prefix,
103 'stdlayout|s' => \$_stdlayout,
104 'minimize-url|m!' => \$Git::SVN::_minimize_url,
105 'no-metadata' => sub { $icv{noMetadata} = 1 },
106 'use-svm-props' => sub { $icv{useSvmProps} = 1 },
107 'use-svnsync-props' => sub { $icv{useSvnsyncProps} = 1 },
108 'rewrite-root=s' => sub { $icv{rewriteRoot} = $_[1] },
109 %remote_opts );
110my %cmt_opts = ( 'edit|e' => \$_edit,
111 'rmdir' => \$SVN::Git::Editor::_rmdir,
112 'find-copies-harder' => \$SVN::Git::Editor::_find_copies_harder,
113 'l=i' => \$SVN::Git::Editor::_rename_limit,
114 'copy-similarity|C=i'=> \$SVN::Git::Editor::_cp_similarity
115);
116my %cmd = (
118 fetch => [ \&cmd_fetch, "Download new revisions from SVN",
119 { 'revision|r=s' => \$_revision,
120 'fetch-all|all' => \$_fetch_all,
121 'parent|p' => \$_fetch_parent,
122 %fc_opts } ],
123 clone => [ \&cmd_clone, "Initialize and fetch revisions",
124 { 'revision|r=s' => \$_revision,
125 %fc_opts, %init_opts } ],
126 init => [ \&cmd_init, "Initialize a repo for tracking" .
127 " (requires URL argument)",
128 \%init_opts ],
129 'multi-init' => [ \&cmd_multi_init,
130 "Deprecated alias for ".
131 "'$0 init -T<trunk> -b<branches> -t<tags>'",
132 \%init_opts ],
133 dcommit => [ \&cmd_dcommit,
134 'Commit several diffs to merge with upstream',
135 { 'merge|m|M' => \$_merge,
136 'strategy|s=s' => \$_strategy,
137 'verbose|v' => \$_verbose,
138 'dry-run|n' => \$_dry_run,
139 'fetch-all|all' => \$_fetch_all,
140 'commit-url=s' => \$_commit_url,
141 'revision|r=i' => \$_revision,
142 'no-rebase' => \$_no_rebase,
143 %cmt_opts, %fc_opts } ],
144 branch => [ \&cmd_branch,
145 'Create a branch in the SVN repository',
146 { 'message|m=s' => \$_message,
147 'destination|d=s' => \$_branch_dest,
148 'dry-run|n' => \$_dry_run,
149 'tag|t' => \$_tag } ],
150 tag => [ sub { $_tag = 1; cmd_branch(@_) },
151 'Create a tag in the SVN repository',
152 { 'message|m=s' => \$_message,
153 'destination|d=s' => \$_branch_dest,
154 'dry-run|n' => \$_dry_run } ],
155 'set-tree' => [ \&cmd_set_tree,
156 "Set an SVN repository to a git tree-ish",
157 { 'stdin' => \$_stdin, %cmt_opts, %fc_opts, } ],
158 'create-ignore' => [ \&cmd_create_ignore,
159 'Create a .gitignore per svn:ignore',
160 { 'revision|r=i' => \$_revision
161 } ],
162 'propget' => [ \&cmd_propget,
163 'Print the value of a property on a file or directory',
164 { 'revision|r=i' => \$_revision } ],
165 'proplist' => [ \&cmd_proplist,
166 'List all properties of a file or directory',
167 { 'revision|r=i' => \$_revision } ],
168 'show-ignore' => [ \&cmd_show_ignore, "Show svn:ignore listings",
169 { 'revision|r=i' => \$_revision
170 } ],
171 'show-externals' => [ \&cmd_show_externals, "Show svn:externals listings",
172 { 'revision|r=i' => \$_revision
173 } ],
174 'multi-fetch' => [ \&cmd_multi_fetch,
175 "Deprecated alias for $0 fetch --all",
176 { 'revision|r=s' => \$_revision, %fc_opts } ],
177 'migrate' => [ sub { },
178 # no-op, we automatically run this anyways,
179 'Migrate configuration/metadata/layout from
180 previous versions of git-svn',
181 { 'minimize' => \$Git::SVN::Migration::_minimize,
182 %remote_opts } ],
183 'log' => [ \&Git::SVN::Log::cmd_show_log, 'Show commit logs',
184 { 'limit=i' => \$Git::SVN::Log::limit,
185 'revision|r=s' => \$_revision,
186 'verbose|v' => \$Git::SVN::Log::verbose,
187 'incremental' => \$Git::SVN::Log::incremental,
188 'oneline' => \$Git::SVN::Log::oneline,
189 'show-commit' => \$Git::SVN::Log::show_commit,
190 'non-recursive' => \$Git::SVN::Log::non_recursive,
191 'authors-file|A=s' => \$_authors,
192 'color' => \$Git::SVN::Log::color,
193 'pager=s' => \$Git::SVN::Log::pager
194 } ],
195 'find-rev' => [ \&cmd_find_rev,
196 "Translate between SVN revision numbers and tree-ish",
197 {} ],
198 'rebase' => [ \&cmd_rebase, "Fetch and rebase your working directory",
199 { 'merge|m|M' => \$_merge,
200 'verbose|v' => \$_verbose,
201 'strategy|s=s' => \$_strategy,
202 'local|l' => \$_local,
203 'fetch-all|all' => \$_fetch_all,
204 'dry-run|n' => \$_dry_run,
205 %fc_opts } ],
206 'commit-diff' => [ \&cmd_commit_diff,
207 'Commit a diff between two trees',
208 { 'message|m=s' => \$_message,
209 'file|F=s' => \$_file,
210 'revision|r=s' => \$_revision,
211 %cmt_opts } ],
212 'info' => [ \&cmd_info,
213 "Show info about the latest SVN revision
214 on the current branch",
215 { 'url' => \$_url, } ],
216 'blame' => [ \&Git::SVN::Log::cmd_blame,
217 "Show what revision and author last modified each line of a file",
218 { 'git-format' => \$_git_format } ],
219 'reset' => [ \&cmd_reset,
220 "Undo fetches back to the specified SVN revision",
221 { 'revision|r=s' => \$_revision,
222 'parent|p' => \$_fetch_parent } ],
223 'gc' => [ \&cmd_gc,
224 "Compress unhandled.log files in .git/svn and remove " .
225 "index files in .git/svn",
226 {} ],
227);
228my $cmd;
230for (my $i = 0; $i < @ARGV; $i++) {
231 if (defined $cmd{$ARGV[$i]}) {
232 $cmd = $ARGV[$i];
233 splice @ARGV, $i, 1;
234 last;
235 } elsif ($ARGV[$i] eq 'help') {
236 $cmd = $ARGV[$i+1];
237 usage(0);
238 }
239};
240# make sure we're always running at the top-level working directory
242unless ($cmd && $cmd =~ /(?:clone|init|multi-init)$/) {
243 unless (-d $ENV{GIT_DIR}) {
244 if ($git_dir_user_set) {
245 die "GIT_DIR=$ENV{GIT_DIR} explicitly set, ",
246 "but it is not a directory\n";
247 }
248 my $git_dir = delete $ENV{GIT_DIR};
249 my $cdup = undef;
250 git_cmd_try {
251 $cdup = command_oneline(qw/rev-parse --show-cdup/);
252 $git_dir = '.' unless ($cdup);
253 chomp $cdup if ($cdup);
254 $cdup = "." unless ($cdup && length $cdup);
255 } "Already at toplevel, but $git_dir not found\n";
256 chdir $cdup or die "Unable to chdir up to '$cdup'\n";
257 unless (-d $git_dir) {
258 die "$git_dir still not found after going to ",
259 "'$cdup'\n";
260 }
261 $ENV{GIT_DIR} = $git_dir;
262 }
263 $_repository = Git->repository(Repository => $ENV{GIT_DIR});
264}
265my %opts = %{$cmd{$cmd}->[2]} if (defined $cmd);
267read_repo_config(\%opts);
269if ($cmd && ($cmd eq 'log' || $cmd eq 'blame')) {
270 Getopt::Long::Configure('pass_through');
271}
272my $rv = GetOptions(%opts, 'help|H|h' => \$_help, 'version|V' => \$_version,
273 'minimize-connections' => \$Git::SVN::Migration::_minimize,
274 'id|i=s' => \$Git::SVN::default_ref_id,
275 'svn-remote|remote|R=s' => sub {
276 $Git::SVN::no_reuse_existing = 1;
277 $Git::SVN::default_repo_id = $_[1] });
278exit 1 if (!$rv && $cmd && $cmd ne 'log');
279usage(0) if $_help;
281version() if $_version;
282usage(1) unless defined $cmd;
283load_authors() if $_authors;
284if (defined $_authors_prog) {
285 $_authors_prog = "'" . File::Spec->rel2abs($_authors_prog) . "'";
286}
287unless ($cmd =~ /^(?:clone|init|multi-init|commit-diff)$/) {
289 Git::SVN::Migration::migration_check();
290}
291Git::SVN::init_vars();
292eval {
293 Git::SVN::verify_remotes_sanity();
294 $cmd{$cmd}->[0]->(@ARGV);
295};
296fatal $@ if $@;
297post_fetch_checkout();
298exit 0;
299####################### primary functions ######################
301sub usage {
302 my $exit = shift || 0;
303 my $fd = $exit ? \*STDERR : \*STDOUT;
304 print $fd <<"";
305git-svn - bidirectional operations between a single Subversion tree and git
306Usage: git svn <command> [options] [arguments]\n
307 print $fd "Available commands:\n" unless $cmd;
309 foreach (sort keys %cmd) {
311 next if $cmd && $cmd ne $_;
312 next if /^multi-/; # don't show deprecated commands
313 print $fd ' ',pack('A17',$_),$cmd{$_}->[1],"\n";
314 foreach (sort keys %{$cmd{$_}->[2]}) {
315 # mixed-case options are for .git/config only
316 next if /[A-Z]/ && /^[a-z]+$/i;
317 # prints out arguments as they should be passed:
318 my $x = s#[:=]s$## ? '<arg>' : s#[:=]i$## ? '<num>' : '';
319 print $fd ' ' x 21, join(', ', map { length $_ > 1 ?
320 "--$_" : "-$_" }
321 split /\|/,$_)," $x\n";
322 }
323 }
324 print $fd <<"";
325\nGIT_SVN_ID may be set in the environment or via the --id/-i switch to an
326arbitrary identifier if you're tracking multiple SVN branches/repositories in
327one git repository and want to keep them separate. See git-svn(1) for more
328information.
329 exit $exit;
331}
332sub version {
334 print "git-svn version $VERSION (svn $SVN::Core::VERSION)\n";
335 exit 0;
336}
337sub do_git_init_db {
339 unless (-d $ENV{GIT_DIR}) {
340 my @init_db = ('init');
341 push @init_db, "--template=$_template" if defined $_template;
342 if (defined $_shared) {
343 if ($_shared =~ /[a-z]/) {
344 push @init_db, "--shared=$_shared";
345 } else {
346 push @init_db, "--shared";
347 }
348 }
349 command_noisy(@init_db);
350 $_repository = Git->repository(Repository => ".git");
351 }
352 command_noisy('config', 'core.autocrlf', 'false');
353 my $set;
354 my $pfx = "svn-remote.$Git::SVN::default_repo_id";
355 foreach my $i (keys %icv) {
356 die "'$set' and '$i' cannot both be set\n" if $set;
357 next unless defined $icv{$i};
358 command_noisy('config', "$pfx.$i", $icv{$i});
359 $set = $i;
360 }
361 my $ignore_regex = \$SVN::Git::Fetcher::_ignore_regex;
362 command_noisy('config', "$pfx.ignore-paths", $$ignore_regex)
363 if defined $$ignore_regex;
364}
365sub init_subdir {
367 my $repo_path = shift or return;
368 mkpath([$repo_path]) unless -d $repo_path;
369 chdir $repo_path or die "Couldn't chdir to $repo_path: $!\n";
370 $ENV{GIT_DIR} = '.git';
371 $_repository = Git->repository(Repository => $ENV{GIT_DIR});
372}
373sub cmd_clone {
375 my ($url, $path) = @_;
376 if (!defined $path &&
377 (defined $_trunk || @_branches || @_tags ||
378 defined $_stdlayout) &&
379 $url !~ m#^[a-z\+]+://#) {
380 $path = $url;
381 }
382 $path = basename($url) if !defined $path || !length $path;
383 cmd_init($url, $path);
384 Git::SVN::fetch_all($Git::SVN::default_repo_id);
385 command_oneline('config', 'svn.authorsfile', $_authors) if $_authors;
386}
387sub cmd_init {
389 if (defined $_stdlayout) {
390 $_trunk = 'trunk' if (!defined $_trunk);
391 @_tags = 'tags' if (! @_tags);
392 @_branches = 'branches' if (! @_branches);
393 }
394 if (defined $_trunk || @_branches || @_tags) {
395 return cmd_multi_init(@_);
396 }
397 my $url = shift or die "SVN repository location required ",
398 "as a command-line argument\n";
399 $url = canonicalize_url($url);
400 init_subdir(@_);
401 do_git_init_db();
402 if ($Git::SVN::_minimize_url eq 'unset') {
404 $Git::SVN::_minimize_url = 0;
405 }
406 Git::SVN->init($url);
408}
409sub cmd_fetch {
411 if (grep /^\d+=./, @_) {
412 die "'<rev>=<commit>' fetch arguments are ",
413 "no longer supported.\n";
414 }
415 my ($remote) = @_;
416 if (@_ > 1) {
417 die "Usage: $0 fetch [--all] [--parent] [svn-remote]\n";
418 }
419 if ($_fetch_parent) {
420 my ($url, $rev, $uuid, $gs) = working_head_info('HEAD');
421 unless ($gs) {
422 die "Unable to determine upstream SVN information from ",
423 "working tree history\n";
424 }
425 # just fetch, don't checkout.
426 $_no_checkout = 'true';
427 $_fetch_all ? $gs->fetch_all : $gs->fetch;
428 } elsif ($_fetch_all) {
429 cmd_multi_fetch();
430 } else {
431 $remote ||= $Git::SVN::default_repo_id;
432 Git::SVN::fetch_all($remote, Git::SVN::read_all_remotes());
433 }
434}
435sub cmd_set_tree {
437 my (@commits) = @_;
438 if ($_stdin || !@commits) {
439 print "Reading from stdin...\n";
440 @commits = ();
441 while (<STDIN>) {
442 if (/\b($sha1_short)\b/o) {
443 unshift @commits, $1;
444 }
445 }
446 }
447 my @revs;
448 foreach my $c (@commits) {
449 my @tmp = command('rev-parse',$c);
450 if (scalar @tmp == 1) {
451 push @revs, $tmp[0];
452 } elsif (scalar @tmp > 1) {
453 push @revs, reverse(command('rev-list',@tmp));
454 } else {
455 fatal "Failed to rev-parse $c";
456 }
457 }
458 my $gs = Git::SVN->new;
459 my ($r_last, $cmt_last) = $gs->last_rev_commit;
460 $gs->fetch;
461 if (defined $gs->{last_rev} && $r_last != $gs->{last_rev}) {
462 fatal "There are new revisions that were fetched ",
463 "and need to be merged (or acknowledged) ",
464 "before committing.\nlast rev: $r_last\n",
465 " current: $gs->{last_rev}";
466 }
467 $gs->set_tree($_) foreach @revs;
468 print "Done committing ",scalar @revs," revisions to SVN\n";
469 unlink $gs->{index};
470}
471sub cmd_dcommit {
473 my $head = shift;
474 git_cmd_try { command_oneline(qw/diff-index --quiet HEAD/) }
475 'Cannot dcommit with a dirty index. Commit your changes first, '
476 . "or stash them with `git stash'.\n";
477 $head ||= 'HEAD';
478 my $old_head;
480 if ($head ne 'HEAD') {
481 $old_head = eval {
482 command_oneline([qw/symbolic-ref -q HEAD/])
483 };
484 if ($old_head) {
485 $old_head =~ s{^refs/heads/}{};
486 } else {
487 $old_head = eval { command_oneline(qw/rev-parse HEAD/) };
488 }
489 command(['checkout', $head], STDERR => 0);
490 }
491 my @refs;
493 my ($url, $rev, $uuid, $gs) = working_head_info('HEAD', \@refs);
494 unless ($gs) {
495 die "Unable to determine upstream SVN information from ",
496 "$head history.\nPerhaps the repository is empty.";
497 }
498 if (defined $_commit_url) {
500 $url = $_commit_url;
501 } else {
502 $url = eval { command_oneline('config', '--get',
503 "svn-remote.$gs->{repo_id}.commiturl") };
504 if (!$url) {
505 $url = $gs->full_url
506 }
507 }
508 my $last_rev = $_revision if defined $_revision;
510 if ($url) {
511 print "Committing to $url ...\n";
512 }
513 my ($linear_refs, $parents) = linearize_history($gs, \@refs);
514 if ($_no_rebase && scalar(@$linear_refs) > 1) {
515 warn "Attempting to commit more than one change while ",
516 "--no-rebase is enabled.\n",
517 "If these changes depend on each other, re-running ",
518 "without --no-rebase may be required."
519 }
520 my $expect_url = $url;
521 Git::SVN::remove_username($expect_url);
522 while (1) {
523 my $d = shift @$linear_refs or last;
524 unless (defined $last_rev) {
525 (undef, $last_rev, undef) = cmt_metadata("$d~1");
526 unless (defined $last_rev) {
527 fatal "Unable to extract revision information ",
528 "from commit $d~1";
529 }
530 }
531 if ($_dry_run) {
532 print "diff-tree $d~1 $d\n";
533 } else {
534 my $cmt_rev;
535 my %ed_opts = ( r => $last_rev,
536 log => get_commit_entry($d)->{log},
537 ra => Git::SVN::Ra->new($url),
538 config => SVN::Core::config_get_config(
539 $Git::SVN::Ra::config_dir
540 ),
541 tree_a => "$d~1",
542 tree_b => $d,
543 editor_cb => sub {
544 print "Committed r$_[0]\n";
545 $cmt_rev = $_[0];
546 },
547 svn_path => '');
548 if (!SVN::Git::Editor->new(\%ed_opts)->apply_diff) {
549 print "No changes\n$d~1 == $d\n";
550 } elsif ($parents->{$d} && @{$parents->{$d}}) {
551 $gs->{inject_parents_dcommit}->{$cmt_rev} =
552 $parents->{$d};
553 }
554 $_fetch_all ? $gs->fetch_all : $gs->fetch;
555 $last_rev = $cmt_rev;
556 next if $_no_rebase;
557 # we always want to rebase against the current HEAD,
559 # not any head that was passed to us
560 my @diff = command('diff-tree', $d,
561 $gs->refname, '--');
562 my @finish;
563 if (@diff) {
564 @finish = rebase_cmd();
565 print STDERR "W: $d and ", $gs->refname,
566 " differ, using @finish:\n",
567 join("\n", @diff), "\n";
568 } else {
569 print "No changes between current HEAD and ",
570 $gs->refname,
571 "\nResetting to the latest ",
572 $gs->refname, "\n";
573 @finish = qw/reset --mixed/;
574 }
575 command_noisy(@finish, $gs->refname);
576 if (@diff) {
577 @refs = ();
578 my ($url_, $rev_, $uuid_, $gs_) =
579 working_head_info('HEAD', \@refs);
580 my ($linear_refs_, $parents_) =
581 linearize_history($gs_, \@refs);
582 if (scalar(@$linear_refs) !=
583 scalar(@$linear_refs_)) {
584 fatal "# of revisions changed ",
585 "\nbefore:\n",
586 join("\n", @$linear_refs),
587 "\n\nafter:\n",
588 join("\n", @$linear_refs_), "\n",
589 'If you are attempting to commit ',
590 "merges, try running:\n\t",
591 'git rebase --interactive',
592 '--preserve-merges ',
593 $gs->refname,
594 "\nBefore dcommitting";
595 }
596 if ($url_ ne $expect_url) {
597 fatal "URL mismatch after rebase: ",
598 "$url_ != $expect_url";
599 }
600 if ($uuid_ ne $uuid) {
601 fatal "uuid mismatch after rebase: ",
602 "$uuid_ != $uuid";
603 }
604 # remap parents
605 my (%p, @l, $i);
606 for ($i = 0; $i < scalar @$linear_refs; $i++) {
607 my $new = $linear_refs_->[$i] or next;
608 $p{$new} =
609 $parents->{$linear_refs->[$i]};
610 push @l, $new;
611 }
612 $parents = \%p;
613 $linear_refs = \@l;
614 }
615 }
616 }
617 if ($old_head) {
619 my $new_head = command_oneline(qw/rev-parse HEAD/);
620 my $new_is_symbolic = eval {
621 command_oneline(qw/symbolic-ref -q HEAD/);
622 };
623 if ($new_is_symbolic) {
624 print "dcommitted the branch ", $head, "\n";
625 } else {
626 print "dcommitted on a detached HEAD because you gave ",
627 "a revision argument.\n",
628 "The rewritten commit is: ", $new_head, "\n";
629 }
630 command(['checkout', $old_head], STDERR => 0);
631 }
632 unlink $gs->{index};
634}
635sub cmd_branch {
637 my ($branch_name, $head) = @_;
638 unless (defined $branch_name && length $branch_name) {
640 die(($_tag ? "tag" : "branch") . " name required\n");
641 }
642 $head ||= 'HEAD';
643 my ($src, $rev, undef, $gs) = working_head_info($head);
645 my $remote = Git::SVN::read_all_remotes()->{$gs->{repo_id}};
647 my $allglobs = $remote->{ $_tag ? 'tags' : 'branches' };
648 my $glob;
649 if ($#{$allglobs} == 0) {
650 $glob = $allglobs->[0];
651 } else {
652 unless(defined $_branch_dest) {
653 die "Multiple ",
654 $_tag ? "tag" : "branch",
655 " paths defined for Subversion repository.\n",
656 "You must specify where you want to create the ",
657 $_tag ? "tag" : "branch",
658 " with the --destination argument.\n";
659 }
660 foreach my $g (@{$allglobs}) {
661 # SVN::Git::Editor could probably be moved to Git.pm..
662 my $re = SVN::Git::Editor::glob2pat($g->{path}->{left});
663 if ($_branch_dest =~ /$re/) {
664 $glob = $g;
665 last;
666 }
667 }
668 unless (defined $glob) {
669 my $dest_re = qr/\b\Q$_branch_dest\E\b/;
670 foreach my $g (@{$allglobs}) {
671 $g->{path}->{left} =~ /$dest_re/ or next;
672 if (defined $glob) {
673 die "Ambiguous destination: ",
674 $_branch_dest, "\nmatches both '",
675 $glob->{path}->{left}, "' and '",
676 $g->{path}->{left}, "'\n";
677 }
678 $glob = $g;
679 }
680 unless (defined $glob) {
681 die "Unknown ",
682 $_tag ? "tag" : "branch",
683 " destination $_branch_dest\n";
684 }
685 }
686 }
687 my ($lft, $rgt) = @{ $glob->{path} }{qw/left right/};
688 my $dst = join '/', $remote->{url}, $lft, $branch_name, ($rgt || ());
689 my $ctx = SVN::Client->new(
691 auth => Git::SVN::Ra::_auth_providers(),
692 log_msg => sub {
693 ${ $_[0] } = defined $_message
694 ? $_message
695 : 'Create ' . ($_tag ? 'tag ' : 'branch ' )
696 . $branch_name;
697 },
698 );
699 eval {
701 $ctx->ls($dst, 'HEAD', 0);
702 } and die "branch ${branch_name} already exists\n";
703 print "Copying ${src} at r${rev} to ${dst}...\n";
705 $ctx->copy($src, $rev, $dst)
706 unless $_dry_run;
707 $gs->fetch_all;
709}
710sub cmd_find_rev {
712 my $revision_or_hash = shift or die "SVN or git revision required ",
713 "as a command-line argument\n";
714 my $result;
715 if ($revision_or_hash =~ /^r\d+$/) {
716 my $head = shift;
717 $head ||= 'HEAD';
718 my @refs;
719 my (undef, undef, $uuid, $gs) = working_head_info($head, \@refs);
720 unless ($gs) {
721 die "Unable to determine upstream SVN information from ",
722 "$head history\n";
723 }
724 my $desired_revision = substr($revision_or_hash, 1);
725 $result = $gs->rev_map_get($desired_revision, $uuid);
726 } else {
727 my (undef, $rev, undef) = cmt_metadata($revision_or_hash);
728 $result = $rev;
729 }
730 print "$result\n" if $result;
731}
732sub cmd_rebase {
734 command_noisy(qw/update-index --refresh/);
735 my ($url, $rev, $uuid, $gs) = working_head_info('HEAD');
736 unless ($gs) {
737 die "Unable to determine upstream SVN information from ",
738 "working tree history\n";
739 }
740 if ($_dry_run) {
741 print "Remote Branch: " . $gs->refname . "\n";
742 print "SVN URL: " . $url . "\n";
743 return;
744 }
745 if (command(qw/diff-index HEAD --/)) {
746 print STDERR "Cannot rebase with uncommited changes:\n";
747 command_noisy('status');
748 exit 1;
749 }
750 unless ($_local) {
751 # rebase will checkout for us, so no need to do it explicitly
752 $_no_checkout = 'true';
753 $_fetch_all ? $gs->fetch_all : $gs->fetch;
754 }
755 command_noisy(rebase_cmd(), $gs->refname);
756}
757sub cmd_show_ignore {
759 my ($url, $rev, $uuid, $gs) = working_head_info('HEAD');
760 $gs ||= Git::SVN->new;
761 my $r = (defined $_revision ? $_revision : $gs->ra->get_latest_revnum);
762 $gs->prop_walk($gs->{path}, $r, sub {
763 my ($gs, $path, $props) = @_;
764 print STDOUT "\n# $path\n";
765 my $s = $props->{'svn:ignore'} or return;
766 $s =~ s/[\r\n]+/\n/g;
767 $s =~ s/^\n+//;
768 chomp $s;
769 $s =~ s#^#$path#gm;
770 print STDOUT "$s\n";
771 });
772}
773sub cmd_show_externals {
775 my ($url, $rev, $uuid, $gs) = working_head_info('HEAD');
776 $gs ||= Git::SVN->new;
777 my $r = (defined $_revision ? $_revision : $gs->ra->get_latest_revnum);
778 $gs->prop_walk($gs->{path}, $r, sub {
779 my ($gs, $path, $props) = @_;
780 print STDOUT "\n# $path\n";
781 my $s = $props->{'svn:externals'} or return;
782 $s =~ s/[\r\n]+/\n/g;
783 chomp $s;
784 $s =~ s#^#$path#gm;
785 print STDOUT "$s\n";
786 });
787}
788sub cmd_create_ignore {
790 my ($url, $rev, $uuid, $gs) = working_head_info('HEAD');
791 $gs ||= Git::SVN->new;
792 my $r = (defined $_revision ? $_revision : $gs->ra->get_latest_revnum);
793 $gs->prop_walk($gs->{path}, $r, sub {
794 my ($gs, $path, $props) = @_;
795 # $path is of the form /path/to/dir/
796 $path = '.' . $path;
797 # SVN can have attributes on empty directories,
798 # which git won't track
799 mkpath([$path]) unless -d $path;
800 my $ignore = $path . '.gitignore';
801 my $s = $props->{'svn:ignore'} or return;
802 open(GITIGNORE, '>', $ignore)
803 or fatal("Failed to open `$ignore' for writing: $!");
804 $s =~ s/[\r\n]+/\n/g;
805 $s =~ s/^\n+//;
806 chomp $s;
807 # Prefix all patterns so that the ignore doesn't apply
808 # to sub-directories.
809 $s =~ s#^#/#gm;
810 print GITIGNORE "$s\n";
811 close(GITIGNORE)
812 or fatal("Failed to close `$ignore': $!");
813 command_noisy('add', '-f', $ignore);
814 });
815}
816sub canonicalize_path {
818 my ($path) = @_;
819 my $dot_slash_added = 0;
820 if (substr($path, 0, 1) ne "/") {
821 $path = "./" . $path;
822 $dot_slash_added = 1;
823 }
824 # File::Spec->canonpath doesn't collapse x/../y into y (for a
825 # good reason), so let's do this manually.
826 $path =~ s#/+#/#g;
827 $path =~ s#/\.(?:/|$)#/#g;
828 $path =~ s#/[^/]+/\.\.##g;
829 $path =~ s#/$##g;
830 $path =~ s#^\./## if $dot_slash_added;
831 $path =~ s#^/##;
832 $path =~ s#^\.$##;
833 return $path;
834}
835sub canonicalize_url {
837 my ($url) = @_;
838 $url =~ s#^([^:]+://[^/]*/)(.*)$#$1 . canonicalize_path($2)#e;
839 return $url;
840}
841# get_svnprops(PATH)
843# ------------------
844# Helper for cmd_propget and cmd_proplist below.
845sub get_svnprops {
846 my $path = shift;
847 my ($url, $rev, $uuid, $gs) = working_head_info('HEAD');
848 $gs ||= Git::SVN->new;
849 # prefix THE PATH by the sub-directory from which the user
851 # invoked us.
852 $path = $cmd_dir_prefix . $path;
853 fatal("No such file or directory: $path") unless -e $path;
854 my $is_dir = -d $path ? 1 : 0;
855 $path = $gs->{path} . '/' . $path;
856 # canonicalize the path (otherwise libsvn will abort or fail to
858 # find the file)
859 $path = canonicalize_path($path);
860 my $r = (defined $_revision ? $_revision : $gs->ra->get_latest_revnum);
862 my $props;
863 if ($is_dir) {
864 (undef, undef, $props) = $gs->ra->get_dir($path, $r);
865 }
866 else {
867 (undef, $props) = $gs->ra->get_file($path, $r, undef);
868 }
869 return $props;
870}
871# cmd_propget (PROP, PATH)
873# ------------------------
874# Print the SVN property PROP for PATH.
875sub cmd_propget {
876 my ($prop, $path) = @_;
877 $path = '.' if not defined $path;
878 usage(1) if not defined $prop;
879 my $props = get_svnprops($path);
880 if (not defined $props->{$prop}) {
881 fatal("`$path' does not have a `$prop' SVN property.");
882 }
883 print $props->{$prop} . "\n";
884}
885# cmd_proplist (PATH)
887# -------------------
888# Print the list of SVN properties for PATH.
889sub cmd_proplist {
890 my $path = shift;
891 $path = '.' if not defined $path;
892 my $props = get_svnprops($path);
893 print "Properties on '$path':\n";
894 foreach (sort keys %{$props}) {
895 print " $_\n";
896 }
897}
898sub cmd_multi_init {
900 my $url = shift;
901 unless (defined $_trunk || @_branches || @_tags) {
902 usage(1);
903 }
904 $_prefix = '' unless defined $_prefix;
906 if (defined $url) {
907 $url = canonicalize_url($url);
908 init_subdir(@_);
909 }
910 do_git_init_db();
911 if (defined $_trunk) {
912 my $trunk_ref = $_prefix . 'trunk';
913 # try both old-style and new-style lookups:
914 my $gs_trunk = eval { Git::SVN->new($trunk_ref) };
915 unless ($gs_trunk) {
916 my ($trunk_url, $trunk_path) =
917 complete_svn_url($url, $_trunk);
918 $gs_trunk = Git::SVN->init($trunk_url, $trunk_path,
919 undef, $trunk_ref);
920 }
921 }
922 return unless @_branches || @_tags;
923 my $ra = $url ? Git::SVN::Ra->new($url) : undef;
924 foreach my $path (@_branches) {
925 complete_url_ls_init($ra, $path, '--branches/-b', $_prefix);
926 }
927 foreach my $path (@_tags) {
928 complete_url_ls_init($ra, $path, '--tags/-t', $_prefix.'tags/');
929 }
930}
931sub cmd_multi_fetch {
933 my $remotes = Git::SVN::read_all_remotes();
934 foreach my $repo_id (sort keys %$remotes) {
935 if ($remotes->{$repo_id}->{url}) {
936 Git::SVN::fetch_all($repo_id, $remotes);
937 }
938 }
939}
940# this command is special because it requires no metadata
942sub cmd_commit_diff {
943 my ($ta, $tb, $url) = @_;
944 my $usage = "Usage: $0 commit-diff -r<revision> ".
945 "<tree-ish> <tree-ish> [<URL>]";
946 fatal($usage) if (!defined $ta || !defined $tb);
947 my $svn_path = '';
948 if (!defined $url) {
949 my $gs = eval { Git::SVN->new };
950 if (!$gs) {
951 fatal("Needed URL or usable git-svn --id in ",
952 "the command-line\n", $usage);
953 }
954 $url = $gs->{url};
955 $svn_path = $gs->{path};
956 }
957 unless (defined $_revision) {
958 fatal("-r|--revision is a required argument\n", $usage);
959 }
960 if (defined $_message && defined $_file) {
961 fatal("Both --message/-m and --file/-F specified ",
962 "for the commit message.\n",
963 "I have no idea what you mean");
964 }
965 if (defined $_file) {
966 $_message = file_to_s($_file);
967 } else {
968 $_message ||= get_commit_entry($tb)->{log};
969 }
970 my $ra ||= Git::SVN::Ra->new($url);
971 my $r = $_revision;
972 if ($r eq 'HEAD') {
973 $r = $ra->get_latest_revnum;
974 } elsif ($r !~ /^\d+$/) {
975 die "revision argument: $r not understood by git-svn\n";
976 }
977 my %ed_opts = ( r => $r,
978 log => $_message,
979 ra => $ra,
980 tree_a => $ta,
981 tree_b => $tb,
982 editor_cb => sub { print "Committed r$_[0]\n" },
983 svn_path => $svn_path );
984 if (!SVN::Git::Editor->new(\%ed_opts)->apply_diff) {
985 print "No changes\n$ta == $tb\n";
986 }
987}
988sub escape_uri_only {
990 my ($uri) = @_;
991 my @tmp;
992 foreach (split m{/}, $uri) {
993 s/([^~\w.%+-]|%(?![a-fA-F0-9]{2}))/sprintf("%%%02X",ord($1))/eg;
994 push @tmp, $_;
995 }
996 join('/', @tmp);
997}
998sub escape_url {
1000 my ($url) = @_;
1001 if ($url =~ m#^([^:]+)://([^/]*)(.*)$#) {
1002 my ($scheme, $domain, $uri) = ($1, $2, escape_uri_only($3));
1003 $url = "$scheme://$domain$uri";
1004 }
1005 $url;
1006}
1007sub cmd_info {
1009 my $path = canonicalize_path(defined($_[0]) ? $_[0] : ".");
1010 my $fullpath = canonicalize_path($cmd_dir_prefix . $path);
1011 if (exists $_[1]) {
1012 die "Too many arguments specified\n";
1013 }
1014 my ($file_type, $diff_status) = find_file_type_and_diff_status($path);
1016 if (!$file_type && !$diff_status) {
1018 print STDERR "svn: '$path' is not under version control\n";
1019 exit 1;
1020 }
1021 my ($url, $rev, $uuid, $gs) = working_head_info('HEAD');
1023 unless ($gs) {
1024 die "Unable to determine upstream SVN information from ",
1025 "working tree history\n";
1026 }
1027 # canonicalize_path() will return "" to make libsvn 1.5.x happy,
1029 $path = "." if $path eq "";
1030 my $full_url = $url . ($fullpath eq "" ? "" : "/$fullpath");
1032 if ($_url) {
1034 print escape_url($full_url), "\n";
1035 return;
1036 }
1037 my $result = "Path: $path\n";
1039 $result .= "Name: " . basename($path) . "\n" if $file_type ne "dir";
1040 $result .= "URL: " . escape_url($full_url) . "\n";
1041 eval {
1043 my $repos_root = $gs->repos_root;
1044 Git::SVN::remove_username($repos_root);
1045 $result .= "Repository Root: " . escape_url($repos_root) . "\n";
1046 };
1047 if ($@) {
1048 $result .= "Repository Root: (offline)\n";
1049 }
1050 $result .= "Repository UUID: $uuid\n" unless $diff_status eq "A" &&
1051 ($SVN::Core::VERSION le '1.5.4' || $file_type ne "dir");
1052 $result .= "Revision: " . ($diff_status eq "A" ? 0 : $rev) . "\n";
1053 $result .= "Node Kind: " .
1055 ($file_type eq "dir" ? "directory" : "file") . "\n";
1056 my $schedule = $diff_status eq "A"
1058 ? "add"
1059 : ($diff_status eq "D" ? "delete" : "normal");
1060 $result .= "Schedule: $schedule\n";
1061 if ($diff_status eq "A") {
1063 print $result, "\n";
1064 return;
1065 }
1066 my ($lc_author, $lc_rev, $lc_date_utc);
1068 my @args = Git::SVN::Log::git_svn_log_cmd($rev, $rev, "--", $fullpath);
1069 my $log = command_output_pipe(@args);
1070 my $esc_color = qr/(?:\033\[(?:(?:\d+;)*\d*)?m)*/;
1071 while (<$log>) {
1072 if (/^${esc_color}author (.+) <[^>]+> (\d+) ([\-\+]?\d+)$/o) {
1073 $lc_author = $1;
1074 $lc_date_utc = Git::SVN::Log::parse_git_date($2, $3);
1075 } elsif (/^${esc_color} (git-svn-id:.+)$/o) {
1076 (undef, $lc_rev, undef) = ::extract_metadata($1);
1077 }
1078 }
1079 close $log;
1080 Git::SVN::Log::set_local_timezone();
1082 $result .= "Last Changed Author: $lc_author\n";
1084 $result .= "Last Changed Rev: $lc_rev\n";
1085 $result .= "Last Changed Date: " .
1086 Git::SVN::Log::format_svn_date($lc_date_utc) . "\n";
1087 if ($file_type ne "dir") {
1089 my $text_last_updated_date =
1090 ($diff_status eq "D" ? $lc_date_utc : (stat $path)[9]);
1091 $result .=
1092 "Text Last Updated: " .
1093 Git::SVN::Log::format_svn_date($text_last_updated_date) .
1094 "\n";
1095 my $checksum;
1096 if ($diff_status eq "D") {
1097 my ($fh, $ctx) =
1098 command_output_pipe(qw(cat-file blob), "HEAD:$path");
1099 if ($file_type eq "link") {
1100 my $file_name = <$fh>;
1101 $checksum = md5sum("link $file_name");
1102 } else {
1103 $checksum = md5sum($fh);
1104 }
1105 command_close_pipe($fh, $ctx);
1106 } elsif ($file_type eq "link") {
1107 my $file_name =
1108 command(qw(cat-file blob), "HEAD:$path");
1109 $checksum =
1110 md5sum("link " . $file_name);
1111 } else {
1112 open FILE, "<", $path or die $!;
1113 $checksum = md5sum(\*FILE);
1114 close FILE or die $!;
1115 }
1116 $result .= "Checksum: " . $checksum . "\n";
1117 }
1118 print $result, "\n";
1120}
1121sub cmd_reset {
1123 my $target = shift || $_revision or die "SVN revision required\n";
1124 $target = $1 if $target =~ /^r(\d+)$/;
1125 $target =~ /^\d+$/ or die "Numeric SVN revision expected\n";
1126 my ($url, $rev, $uuid, $gs) = working_head_info('HEAD');
1127 unless ($gs) {
1128 die "Unable to determine upstream SVN information from ".
1129 "history\n";
1130 }
1131 my ($r, $c) = $gs->find_rev_before($target, not $_fetch_parent);
1132 $gs->rev_map_set($r, $c, 'reset', $uuid);
1133 print "r$r = $c ($gs->{ref_id})\n";
1134}
1135sub cmd_gc {
1137 if (!$can_compress) {
1138 warn "Compress::Zlib could not be found; unhandled.log " .
1139 "files will not be compressed.\n";
1140 }
1141 find({ wanted => \&gc_directory, no_chdir => 1}, "$ENV{GIT_DIR}/svn");
1142}
1143########################### utility functions #########################
1145sub rebase_cmd {
1147 my @cmd = qw/rebase/;
1148 push @cmd, '-v' if $_verbose;
1149 push @cmd, qw/--merge/ if $_merge;
1150 push @cmd, "--strategy=$_strategy" if $_strategy;
1151 @cmd;
1152}
1153sub post_fetch_checkout {
1155 return if $_no_checkout;
1156 my $gs = $Git::SVN::_head or return;
1157 return if verify_ref('refs/heads/master^0');
1158 # look for "trunk" ref if it exists
1160 my $remote = Git::SVN::read_all_remotes()->{$gs->{repo_id}};
1161 my $fetch = $remote->{fetch};
1162 if ($fetch) {
1163 foreach my $p (keys %$fetch) {
1164 basename($fetch->{$p}) eq 'trunk' or next;
1165 $gs = Git::SVN->new($fetch->{$p}, $gs->{repo_id}, $p);
1166 last;
1167 }
1168 }
1169 my $valid_head = verify_ref('HEAD^0');
1171 command_noisy(qw(update-ref refs/heads/master), $gs->refname);
1172 return if ($valid_head || !verify_ref('HEAD^0'));
1173 return if $ENV{GIT_DIR} !~ m#^(?:.*/)?\.git$#;
1175 my $index = $ENV{GIT_INDEX_FILE} || "$ENV{GIT_DIR}/index";
1176 return if -f $index;
1177 return if command_oneline(qw/rev-parse --is-inside-work-tree/) eq 'false';
1179 return if command_oneline(qw/rev-parse --is-inside-git-dir/) eq 'true';
1180 command_noisy(qw/read-tree -m -u -v HEAD HEAD/);
1181 print STDERR "Checked out HEAD:\n ",
1182 $gs->full_url, " r", $gs->last_rev, "\n";
1183}
1184sub complete_svn_url {
1186 my ($url, $path) = @_;
1187 $path =~ s#/+$##;
1188 if ($path !~ m#^[a-z\+]+://#) {
1189 if (!defined $url || $url !~ m#^[a-z\+]+://#) {
1190 fatal("E: '$path' is not a complete URL ",
1191 "and a separate URL is not specified");
1192 }
1193 return ($url, $path);
1194 }
1195 return ($path, '');
1196}
1197sub complete_url_ls_init {
1199 my ($ra, $repo_path, $switch, $pfx) = @_;
1200 unless ($repo_path) {
1201 print STDERR "W: $switch not specified\n";
1202 return;
1203 }
1204 $repo_path =~ s#/+$##;
1205 if ($repo_path =~ m#^[a-z\+]+://#) {
1206 $ra = Git::SVN::Ra->new($repo_path);
1207 $repo_path = '';
1208 } else {
1209 $repo_path =~ s#^/+##;
1210 unless ($ra) {
1211 fatal("E: '$repo_path' is not a complete URL ",
1212 "and a separate URL is not specified");
1213 }
1214 }
1215 my $url = $ra->{url};
1216 my $gs = Git::SVN->init($url, undef, undef, undef, 1);
1217 my $k = "svn-remote.$gs->{repo_id}.url";
1218 my $orig_url = eval { command_oneline(qw/config --get/, $k) };
1219 if ($orig_url && ($orig_url ne $gs->{url})) {
1220 die "$k already set: $orig_url\n",
1221 "wanted to set to: $gs->{url}\n";
1222 }
1223 command_oneline('config', $k, $gs->{url}) unless $orig_url;
1224 my $remote_path = "$gs->{path}/$repo_path";
1225 $remote_path =~ s#/+#/#g;
1226 $remote_path =~ s#^/##g;
1227 $remote_path .= "/*" if $remote_path !~ /\*/;
1228 my ($n) = ($switch =~ /^--(\w+)/);
1229 if (length $pfx && $pfx !~ m#/$#) {
1230 die "--prefix='$pfx' must have a trailing slash '/'\n";
1231 }
1232 command_noisy('config',
1233 '--add',
1234 "svn-remote.$gs->{repo_id}.$n",
1235 "$remote_path:refs/remotes/$pfx*" .
1236 ('/*' x (($remote_path =~ tr/*/*/) - 1)) );
1237}
1238sub verify_ref {
1240 my ($ref) = @_;
1241 eval { command_oneline([ 'rev-parse', '--verify', $ref ],
1242 { STDERR => 0 }); };
1243}
1244sub get_tree_from_treeish {
1246 my ($treeish) = @_;
1247 # $treeish can be a symbolic ref, too:
1248 my $type = command_oneline(qw/cat-file -t/, $treeish);
1249 my $expected;
1250 while ($type eq 'tag') {
1251 ($treeish, $type) = command(qw/cat-file tag/, $treeish);
1252 }
1253 if ($type eq 'commit') {
1254 $expected = (grep /^tree /, command(qw/cat-file commit/,
1255 $treeish))[0];
1256 ($expected) = ($expected =~ /^tree ($sha1)$/o);
1257 die "Unable to get tree from $treeish\n" unless $expected;
1258 } elsif ($type eq 'tree') {
1259 $expected = $treeish;
1260 } else {
1261 die "$treeish is a $type, expected tree, tag or commit\n";
1262 }
1263 return $expected;
1264}
1265sub get_commit_entry {
1267 my ($treeish) = shift;
1268 my %log_entry = ( log => '', tree => get_tree_from_treeish($treeish) );
1269 my $commit_editmsg = "$ENV{GIT_DIR}/COMMIT_EDITMSG";
1270 my $commit_msg = "$ENV{GIT_DIR}/COMMIT_MSG";
1271 open my $log_fh, '>', $commit_editmsg or croak $!;
1272 my $type = command_oneline(qw/cat-file -t/, $treeish);
1274 if ($type eq 'commit' || $type eq 'tag') {
1275 my ($msg_fh, $ctx) = command_output_pipe('cat-file',
1276 $type, $treeish);
1277 my $in_msg = 0;
1278 my $author;
1279 my $saw_from = 0;
1280 my $msgbuf = "";
1281 while (<$msg_fh>) {
1282 if (!$in_msg) {
1283 $in_msg = 1 if (/^\s*$/);
1284 $author = $1 if (/^author (.*>)/);
1285 } elsif (/^git-svn-id: /) {
1286 # skip this for now, we regenerate the
1287 # correct one on re-fetch anyways
1288 # TODO: set *:merge properties or like...
1289 } else {
1290 if (/^From:/ || /^Signed-off-by:/) {
1291 $saw_from = 1;
1292 }
1293 $msgbuf .= $_;
1294 }
1295 }
1296 $msgbuf =~ s/\s+$//s;
1297 if ($Git::SVN::_add_author_from && defined($author)
1298 && !$saw_from) {
1299 $msgbuf .= "\n\nFrom: $author";
1300 }
1301 print $log_fh $msgbuf or croak $!;
1302 command_close_pipe($msg_fh, $ctx);
1303 }
1304 close $log_fh or croak $!;
1305 if ($_edit || ($type eq 'tree')) {
1307 my $editor = $ENV{VISUAL} || $ENV{EDITOR} || 'vi';
1308 # TODO: strip out spaces, comments, like git-commit.sh
1309 system($editor, $commit_editmsg);
1310 }
1311 rename $commit_editmsg, $commit_msg or croak $!;
1312 {
1313 require Encode;
1314 # SVN requires messages to be UTF-8 when entering the repo
1315 local $/;
1316 open $log_fh, '<', $commit_msg or croak $!;
1317 binmode $log_fh;
1318 chomp($log_entry{log} = <$log_fh>);
1319 my $enc = Git::config('i18n.commitencoding') || 'UTF-8';
1321 my $msg = $log_entry{log};
1322 eval { $msg = Encode::decode($enc, $msg, 1) };
1324 if ($@) {
1325 die "Could not decode as $enc:\n", $msg,
1326 "\nPerhaps you need to set i18n.commitencoding\n";
1327 }
1328 eval { $msg = Encode::encode('UTF-8', $msg, 1) };
1330 die "Could not encode as UTF-8:\n$msg\n" if $@;
1331 $log_entry{log} = $msg;
1333 close $log_fh or croak $!;
1335 }
1336 unlink $commit_msg;
1337 \%log_entry;
1338}
1339sub s_to_file {
1341 my ($str, $file, $mode) = @_;
1342 open my $fd,'>',$file or croak $!;
1343 print $fd $str,"\n" or croak $!;
1344 close $fd or croak $!;
1345 chmod ($mode &~ umask, $file) if (defined $mode);
1346}
1347sub file_to_s {
1349 my $file = shift;
1350 open my $fd,'<',$file or croak "$!: file: $file\n";
1351 local $/;
1352 my $ret = <$fd>;
1353 close $fd or croak $!;
1354 $ret =~ s/\s*$//s;
1355 return $ret;
1356}
1357# '<svn username> = real-name <email address>' mapping based on git-svnimport:
1359sub load_authors {
1360 open my $authors, '<', $_authors or die "Can't open $_authors $!\n";
1361 my $log = $cmd eq 'log';
1362 while (<$authors>) {
1363 chomp;
1364 next unless /^(.+?|\(no author\))\s*=\s*(.+?)\s*<(.+)>\s*$/;
1365 my ($user, $name, $email) = ($1, $2, $3);
1366 if ($log) {
1367 $Git::SVN::Log::rusers{"$name <$email>"} = $user;
1368 } else {
1369 $users{$user} = [$name, $email];
1370 }
1371 }
1372 close $authors or croak $!;
1373}
1374# convert GetOpt::Long specs for use by git-config
1376sub read_repo_config {
1377 return unless -d $ENV{GIT_DIR};
1378 my $opts = shift;
1379 my @config_only;
1380 foreach my $o (keys %$opts) {
1381 # if we have mixedCase and a long option-only, then
1382 # it's a config-only variable that we don't need for
1383 # the command-line.
1384 push @config_only, $o if ($o =~ /[A-Z]/ && $o =~ /^[a-z]+$/i);
1385 my $v = $opts->{$o};
1386 my ($key) = ($o =~ /^([a-zA-Z\-]+)/);
1387 $key =~ s/-//g;
1388 my $arg = 'git config';
1389 $arg .= ' --int' if ($o =~ /[:=]i$/);
1390 $arg .= ' --bool' if ($o !~ /[:=][sfi]$/);
1391 if (ref $v eq 'ARRAY') {
1392 chomp(my @tmp = `$arg --get-all svn.$key`);
1393 @$v = @tmp if @tmp;
1394 } else {
1395 chomp(my $tmp = `$arg --get svn.$key`);
1396 if ($tmp && !($arg =~ / --bool/ && $tmp eq 'false')) {
1397 $$v = $tmp;
1398 }
1399 }
1400 }
1401 delete @$opts{@config_only} if @config_only;
1402}
1403sub extract_metadata {
1405 my $id = shift or return (undef, undef, undef);
1406 my ($url, $rev, $uuid) = ($id =~ /^\s*git-svn-id:\s+(.*)\@(\d+)
1407 \s([a-f\d\-]+)$/ix);
1408 if (!defined $rev || !$uuid || !$url) {
1409 # some of the original repositories I made had
1410 # identifiers like this:
1411 ($rev, $uuid) = ($id =~/^\s*git-svn-id:\s(\d+)\@([a-f\d\-]+)/i);
1412 }
1413 return ($url, $rev, $uuid);
1414}
1415sub cmt_metadata {
1417 return extract_metadata((grep(/^git-svn-id: /,
1418 command(qw/cat-file commit/, shift)))[-1]);
1419}
1420sub cmt_sha2rev_batch {
1422 my %s2r;
1423 my ($pid, $in, $out, $ctx) = command_bidi_pipe(qw/cat-file --batch/);
1424 my $list = shift;
1425 foreach my $sha (@{$list}) {
1427 my $first = 1;
1428 my $size = 0;
1429 print $out $sha, "\n";
1430 while (my $line = <$in>) {
1432 if ($first && $line =~ /^[[:xdigit:]]{40}\smissing$/) {
1433 last;
1434 } elsif ($first &&
1435 $line =~ /^[[:xdigit:]]{40}\scommit\s(\d+)$/) {
1436 $first = 0;
1437 $size = $1;
1438 next;
1439 } elsif ($line =~ /^(git-svn-id: )/) {
1440 my (undef, $rev, undef) =
1441 extract_metadata($line);
1442 $s2r{$sha} = $rev;
1443 }
1444 $size -= length($line);
1446 last if ($size == 0);
1447 }
1448 }
1449 command_close_bidi_pipe($pid, $in, $out, $ctx);
1451 return \%s2r;
1453}
1454sub working_head_info {
1456 my ($head, $refs) = @_;
1457 my @args = ('log', '--no-color', '--first-parent', '--pretty=medium');
1458 my ($fh, $ctx) = command_output_pipe(@args, $head);
1459 my $hash;
1460 my %max;
1461 while (<$fh>) {
1462 if ( m{^commit ($::sha1)$} ) {
1463 unshift @$refs, $hash if $hash and $refs;
1464 $hash = $1;
1465 next;
1466 }
1467 next unless s{^\s*(git-svn-id:)}{$1};
1468 my ($url, $rev, $uuid) = extract_metadata($_);
1469 if (defined $url && defined $rev) {
1470 next if $max{$url} and $max{$url} < $rev;
1471 if (my $gs = Git::SVN->find_by_url($url)) {
1472 my $c = $gs->rev_map_get($rev, $uuid);
1473 if ($c && $c eq $hash) {
1474 close $fh; # break the pipe
1475 return ($url, $rev, $uuid, $gs);
1476 } else {
1477 $max{$url} ||= $gs->rev_map_max;
1478 }
1479 }
1480 }
1481 }
1482 command_close_pipe($fh, $ctx);
1483 (undef, undef, undef, undef);
1484}
1485sub read_commit_parents {
1487 my ($parents, $c) = @_;
1488 chomp(my $p = command_oneline(qw/rev-list --parents -1/, $c));
1489 $p =~ s/^($c)\s*// or die "rev-list --parents -1 $c failed!\n";
1490 @{$parents->{$c}} = split(/ /, $p);
1491}
1492sub linearize_history {
1494 my ($gs, $refs) = @_;
1495 my %parents;
1496 foreach my $c (@$refs) {
1497 read_commit_parents(\%parents, $c);
1498 }
1499 my @linear_refs;
1501 my %skip = ();
1502 my $last_svn_commit = $gs->last_commit;
1503 foreach my $c (reverse @$refs) {
1504 next if $c eq $last_svn_commit;
1505 last if $skip{$c};
1506 unshift @linear_refs, $c;
1508 $skip{$c} = 1;
1509 # we only want the first parent to diff against for linear
1511 # history, we save the rest to inject when we finalize the
1512 # svn commit
1513 my $fp_a = verify_ref("$c~1");
1514 my $fp_b = shift @{$parents{$c}} if $parents{$c};
1515 if (!$fp_a || !$fp_b) {
1516 die "Commit $c\n",
1517 "has no parent commit, and therefore ",
1518 "nothing to diff against.\n",
1519 "You should be working from a repository ",
1520 "originally created by git-svn\n";
1521 }
1522 if ($fp_a ne $fp_b) {
1523 die "$c~1 = $fp_a, however parsing commit $c ",
1524 "revealed that:\n$c~1 = $fp_b\nBUG!\n";
1525 }
1526 foreach my $p (@{$parents{$c}}) {
1528 $skip{$p} = 1;
1529 }
1530 }
1531 (\@linear_refs, \%parents);
1532}
1533sub find_file_type_and_diff_status {
1535 my ($path) = @_;
1536 return ('dir', '') if $path eq '';
1537 my $diff_output =
1539 command_oneline(qw(diff --cached --name-status --), $path) || "";
1540 my $diff_status = (split(' ', $diff_output))[0] || "";
1541 my $ls_tree = command_oneline(qw(ls-tree HEAD), $path) || "";
1543 return (undef, undef) if !$diff_status && !$ls_tree;
1545 if ($diff_status eq "A") {
1547 return ("link", $diff_status) if -l $path;
1548 return ("dir", $diff_status) if -d $path;
1549 return ("file", $diff_status);
1550 }
1551 my $mode = (split(' ', $ls_tree))[0] || "";
1553 return ("link", $diff_status) if $mode eq "120000";
1555 return ("dir", $diff_status) if $mode eq "040000";
1556 return ("file", $diff_status);
1557}
1558sub md5sum {
1560 my $arg = shift;
1561 my $ref = ref $arg;
1562 my $md5 = Digest::MD5->new();
1563 if ($ref eq 'GLOB' || $ref eq 'IO::File' || $ref eq 'File::Temp') {
1564 $md5->addfile($arg) or croak $!;
1565 } elsif ($ref eq 'SCALAR') {
1566 $md5->add($$arg) or croak $!;
1567 } elsif (!$ref) {
1568 $md5->add($arg) or croak $!;
1569 } else {
1570 ::fatal "Can't provide MD5 hash for unknown ref type: '", $ref, "'";
1571 }
1572 return $md5->hexdigest();
1573}
1574sub gc_directory {
1576 if ($can_compress && -f $_ && basename($_) eq "unhandled.log") {
1577 my $out_filename = $_ . ".gz";
1578 open my $in_fh, "<", $_ or die "Unable to open $_: $!\n";
1579 binmode $in_fh;
1580 my $gz = Compress::Zlib::gzopen($out_filename, "ab") or
1581 die "Unable to open $out_filename: $!\n";
1582 my $res;
1584 while ($res = sysread($in_fh, my $str, 1024)) {
1585 $gz->gzwrite($str) or
1586 die "Unable to write: ".$gz->gzerror()."!\n";
1587 }
1588 unlink $_ or die "unlink $File::Find::name: $!\n";
1589 } elsif (-f $_ && basename($_) eq "index") {
1590 unlink $_ or die "unlink $_: $!\n";
1591 }
1592}
1593package Git::SVN;
1595use strict;
1596use warnings;
1597use Fcntl qw/:DEFAULT :seek/;
1598use constant rev_map_fmt => 'NH40';
1599use vars qw/$default_repo_id $default_ref_id $_no_metadata $_follow_parent
1600 $_repack $_repack_flags $_use_svm_props $_head
1601 $_use_svnsync_props $no_reuse_existing $_minimize_url
1602 $_use_log_author $_add_author_from $_localtime/;
1603use Carp qw/croak/;
1604use File::Path qw/mkpath/;
1605use File::Copy qw/copy/;
1606use IPC::Open3;
1607my ($_gc_nr, $_gc_period);
1609# properties that we do not log:
1611my %SKIP_PROP;
1612BEGIN {
1613 %SKIP_PROP = map { $_ => 1 } qw/svn:wc:ra_dav:version-url
1614 svn:special svn:executable
1615 svn:entry:committed-rev
1616 svn:entry:last-author
1617 svn:entry:uuid
1618 svn:entry:committed-date/;
1619 # some options are read globally, but can be overridden locally
1621 # per [svn-remote "..."] section. Command-line options will *NOT*
1622 # override options set in an [svn-remote "..."] section
1623 no strict 'refs';
1624 for my $option (qw/follow_parent no_metadata use_svm_props
1625 use_svnsync_props/) {
1626 my $key = $option;
1627 $key =~ tr/_//d;
1628 my $prop = "-$option";
1629 *$option = sub {
1630 my ($self) = @_;
1631 return $self->{$prop} if exists $self->{$prop};
1632 my $k = "svn-remote.$self->{repo_id}.$key";
1633 eval { command_oneline(qw/config --get/, $k) };
1634 if ($@) {
1635 $self->{$prop} = ${"Git::SVN::_$option"};
1636 } else {
1637 my $v = command_oneline(qw/config --bool/,$k);
1638 $self->{$prop} = $v eq 'false' ? 0 : 1;
1639 }
1640 return $self->{$prop};
1641 }
1642 }
1643}
1644my (%LOCKFILES, %INDEX_FILES);
1647END {
1648 unlink keys %LOCKFILES if %LOCKFILES;
1649 unlink keys %INDEX_FILES if %INDEX_FILES;
1650}
1651sub resolve_local_globs {
1653 my ($url, $fetch, $glob_spec) = @_;
1654 return unless defined $glob_spec;
1655 my $ref = $glob_spec->{ref};
1656 my $path = $glob_spec->{path};
1657 foreach (command(qw#for-each-ref --format=%(refname) refs/remotes#)) {
1658 next unless m#^refs/remotes/$ref->{regex}$#;
1659 my $p = $1;
1660 my $pathname = desanitize_refname($path->full_path($p));
1661 my $refname = desanitize_refname($ref->full_path($p));
1662 if (my $existing = $fetch->{$pathname}) {
1663 if ($existing ne $refname) {
1664 die "Refspec conflict:\n",
1665 "existing: refs/remotes/$existing\n",
1666 " globbed: refs/remotes/$refname\n";
1667 }
1668 my $u = (::cmt_metadata("refs/remotes/$refname"))[0];
1669 $u =~ s!^\Q$url\E(/|$)!! or die
1670 "refs/remotes/$refname: '$url' not found in '$u'\n";
1671 if ($pathname ne $u) {
1672 warn "W: Refspec glob conflict ",
1673 "(ref: refs/remotes/$refname):\n",
1674 "expected path: $pathname\n",
1675 " real path: $u\n",
1676 "Continuing ahead with $u\n";
1677 next;
1678 }
1679 } else {
1680 $fetch->{$pathname} = $refname;
1681 }
1682 }
1683}
1684sub parse_revision_argument {
1686 my ($base, $head) = @_;
1687 if (!defined $::_revision || $::_revision eq 'BASE:HEAD') {
1688 return ($base, $head);
1689 }
1690 return ($1, $2) if ($::_revision =~ /^(\d+):(\d+)$/);
1691 return ($::_revision, $::_revision) if ($::_revision =~ /^\d+$/);
1692 return ($head, $head) if ($::_revision eq 'HEAD');
1693 return ($base, $1) if ($::_revision =~ /^BASE:(\d+)$/);
1694 return ($1, $head) if ($::_revision =~ /^(\d+):HEAD$/);
1695 die "revision argument: $::_revision not understood by git-svn\n";
1696}
1697sub fetch_all {
1699 my ($repo_id, $remotes) = @_;
1700 if (ref $repo_id) {
1701 my $gs = $repo_id;
1702 $repo_id = undef;
1703 $repo_id = $gs->{repo_id};
1704 }
1705 $remotes ||= read_all_remotes();
1706 my $remote = $remotes->{$repo_id} or
1707 die "[svn-remote \"$repo_id\"] unknown\n";
1708 my $fetch = $remote->{fetch};
1709 my $url = $remote->{url} or die "svn-remote.$repo_id.url not defined\n";
1710 my (@gs, @globs);
1711 my $ra = Git::SVN::Ra->new($url);
1712 my $uuid = $ra->get_uuid;
1713 my $head = $ra->get_latest_revnum;
1714 $ra->get_log("", $head, 0, 1, 0, 1, sub { $head = $_[1] });
1715 my $base = defined $fetch ? $head : 0;
1716 # read the max revs for wildcard expansion (branches/*, tags/*)
1718 foreach my $t (qw/branches tags/) {
1719 defined $remote->{$t} or next;
1720 push @globs, @{$remote->{$t}};
1721 my $max_rev = eval { tmp_config(qw/--int --get/,
1723 "svn-remote.$repo_id.${t}-maxRev") };
1724 if (defined $max_rev && ($max_rev < $base)) {
1725 $base = $max_rev;
1726 } elsif (!defined $max_rev) {
1727 $base = 0;
1728 }
1729 }
1730 if ($fetch) {
1732 foreach my $p (sort keys %$fetch) {
1733 my $gs = Git::SVN->new($fetch->{$p}, $repo_id, $p);
1734 my $lr = $gs->rev_map_max;
1735 if (defined $lr) {
1736 $base = $lr if ($lr < $base);
1737 }
1738 push @gs, $gs;
1739 }
1740 }
1741 ($base, $head) = parse_revision_argument($base, $head);
1743 $ra->gs_fetch_loop_common($base, $head, \@gs, \@globs);
1744}
1745sub read_all_remotes {
1747 my $r = {};
1748 my $use_svm_props = eval { command_oneline(qw/config --bool
1749 svn.useSvmProps/) };
1750 $use_svm_props = $use_svm_props eq 'true' if $use_svm_props;
1751 foreach (grep { s/^svn-remote\.// } command(qw/config -l/)) {
1752 if (m!^(.+)\.fetch=\s*(.*)\s*:\s*(.+)\s*$!) {
1753 my ($remote, $local_ref, $_remote_ref) = ($1, $2, $3);
1754 die("svn-remote.$remote: remote ref '$_remote_ref' "
1755 . "must start with 'refs/remotes/'\n")
1756 unless $_remote_ref =~ m{^refs/remotes/(.+)};
1757 my $remote_ref = $1;
1758 $local_ref =~ s{^/}{};
1759 $r->{$remote}->{fetch}->{$local_ref} = $remote_ref;
1760 $r->{$remote}->{svm} = {} if $use_svm_props;
1761 } elsif (m!^(.+)\.usesvmprops=\s*(.*)\s*$!) {
1762 $r->{$1}->{svm} = {};
1763 } elsif (m!^(.+)\.url=\s*(.*)\s*$!) {
1764 $r->{$1}->{url} = $2;
1765 } elsif (m!^(.+)\.(branches|tags)=
1766 (.*):refs/remotes/(.+)\s*$/!x) {
1767 my ($p, $g) = ($3, $4);
1768 my $rs = {
1769 t => $2,
1770 remote => $1,
1771 path => Git::SVN::GlobSpec->new($p),
1772 ref => Git::SVN::GlobSpec->new($g) };
1773 if (length($rs->{ref}->{right}) != 0) {
1774 die "The '*' glob character must be the last ",
1775 "character of '$g'\n";
1776 }
1777 push @{ $r->{$1}->{$2} }, $rs;
1778 }
1779 }
1780 map {
1782 if (defined $r->{$_}->{svm}) {
1783 my $svm;
1784 eval {
1785 my $section = "svn-remote.$_";
1786 $svm = {
1787 source => tmp_config('--get',
1788 "$section.svm-source"),
1789 replace => tmp_config('--get',
1790 "$section.svm-replace"),
1791 }
1792 };
1793 $r->{$_}->{svm} = $svm;
1794 }
1795 } keys %$r;
1796 $r;
1798}
1799sub init_vars {
1801 $_gc_nr = $_gc_period = 1000;
1802 if (defined $_repack || defined $_repack_flags) {
1803 warn "Repack options are obsolete; they have no effect.\n";
1804 }
1805}
1806sub verify_remotes_sanity {
1808 return unless -d $ENV{GIT_DIR};
1809 my %seen;
1810 foreach (command(qw/config -l/)) {
1811 if (m!^svn-remote\.(?:.+)\.fetch=.*:refs/remotes/(\S+)\s*$!) {
1812 if ($seen{$1}) {
1813 die "Remote ref refs/remote/$1 is tracked by",
1814 "\n \"$_\"\nand\n \"$seen{$1}\"\n",
1815 "Please resolve this ambiguity in ",
1816 "your git configuration file before ",
1817 "continuing\n";
1818 }
1819 $seen{$1} = $_;
1820 }
1821 }
1822}
1823sub find_existing_remote {
1825 my ($url, $remotes) = @_;
1826 return undef if $no_reuse_existing;
1827 my $existing;
1828 foreach my $repo_id (keys %$remotes) {
1829 my $u = $remotes->{$repo_id}->{url} or next;
1830 next if $u ne $url;
1831 $existing = $repo_id;
1832 last;
1833 }
1834 $existing;
1835}
1836sub init_remote_config {
1838 my ($self, $url, $no_write) = @_;
1839 $url =~ s!/+$!!; # strip trailing slash
1840 my $r = read_all_remotes();
1841 my $existing = find_existing_remote($url, $r);
1842 if ($existing) {
1843 unless ($no_write) {
1844 print STDERR "Using existing ",
1845 "[svn-remote \"$existing\"]\n";
1846 }
1847 $self->{repo_id} = $existing;
1848 } elsif ($_minimize_url) {
1849 my $min_url = Git::SVN::Ra->new($url)->minimize_url;
1850 $existing = find_existing_remote($min_url, $r);
1851 if ($existing) {
1852 unless ($no_write) {
1853 print STDERR "Using existing ",
1854 "[svn-remote \"$existing\"]\n";
1855 }
1856 $self->{repo_id} = $existing;
1857 }
1858 if ($min_url ne $url) {
1859 unless ($no_write) {
1860 print STDERR "Using higher level of URL: ",
1861 "$url => $min_url\n";
1862 }
1863 my $old_path = $self->{path};
1864 $self->{path} = $url;
1865 $self->{path} =~ s!^\Q$min_url\E(/|$)!!;
1866 if (length $old_path) {
1867 $self->{path} .= "/$old_path";
1868 }
1869 $url = $min_url;
1870 }
1871 }
1872 my $orig_url;
1873 if (!$existing) {
1874 # verify that we aren't overwriting anything:
1875 $orig_url = eval {
1876 command_oneline('config', '--get',
1877 "svn-remote.$self->{repo_id}.url")
1878 };
1879 if ($orig_url && ($orig_url ne $url)) {
1880 die "svn-remote.$self->{repo_id}.url already set: ",
1881 "$orig_url\nwanted to set to: $url\n";
1882 }
1883 }
1884 my ($xrepo_id, $xpath) = find_ref($self->refname);
1885 if (defined $xpath) {
1886 die "svn-remote.$xrepo_id.fetch already set to track ",
1887 "$xpath:refs/remotes/", $self->refname, "\n";
1888 }
1889 unless ($no_write) {
1890 command_noisy('config',
1891 "svn-remote.$self->{repo_id}.url", $url);
1892 $self->{path} =~ s{^/}{};
1893 command_noisy('config', '--add',
1894 "svn-remote.$self->{repo_id}.fetch",
1895 "$self->{path}:".$self->refname);
1896 }
1897 $self->{url} = $url;
1898}
1899sub find_by_url { # repos_root and, path are optional
1901 my ($class, $full_url, $repos_root, $path) = @_;
1902 return undef unless defined $full_url;
1904 remove_username($full_url);
1905 remove_username($repos_root) if defined $repos_root;
1906 my $remotes = read_all_remotes();
1907 if (defined $full_url && defined $repos_root && !defined $path) {
1908 $path = $full_url;
1909 $path =~ s#^\Q$repos_root\E(?:/|$)##;
1910 }
1911 foreach my $repo_id (keys %$remotes) {
1912 my $u = $remotes->{$repo_id}->{url} or next;
1913 remove_username($u);
1914 next if defined $repos_root && $repos_root ne $u;
1915 my $fetch = $remotes->{$repo_id}->{fetch} || {};
1917 foreach my $t (qw/branches tags/) {
1918 foreach my $globspec (@{$remotes->{$repo_id}->{$t}}) {
1919 resolve_local_globs($u, $fetch, $globspec);
1920 }
1921 }
1922 my $p = $path;
1923 my $rwr = rewrite_root({repo_id => $repo_id});
1924 my $svm = $remotes->{$repo_id}->{svm}
1925 if defined $remotes->{$repo_id}->{svm};
1926 unless (defined $p) {
1927 $p = $full_url;
1928 my $z = $u;
1929 my $prefix = '';
1930 if ($rwr) {
1931 $z = $rwr;
1932 remove_username($z);
1933 } elsif (defined $svm) {
1934 $z = $svm->{source};
1935 $prefix = $svm->{replace};
1936 $prefix =~ s#^\Q$u\E(?:/|$)##;
1937 $prefix =~ s#/$##;
1938 }
1939 $p =~ s#^\Q$z\E(?:/|$)#$prefix# or next;
1940 }
1941 foreach my $f (keys %$fetch) {
1942 next if $f ne $p;
1943 return Git::SVN->new($fetch->{$f}, $repo_id, $f);
1944 }
1945 }
1946 undef;
1947}
1948sub init {
1950 my ($class, $url, $path, $repo_id, $ref_id, $no_write) = @_;
1951 my $self = _new($class, $repo_id, $ref_id, $path);
1952 if (defined $url) {
1953 $self->init_remote_config($url, $no_write);
1954 }
1955 $self;
1956}
1957sub find_ref {
1959 my ($ref_id) = @_;
1960 foreach (command(qw/config -l/)) {
1961 next unless m!^svn-remote\.(.+)\.fetch=
1962 \s*(.*)\s*:\s*refs/remotes/(.+)\s*$!x;
1963 my ($repo_id, $path, $ref) = ($1, $2, $3);
1964 if ($ref eq $ref_id) {
1965 $path = '' if ($path =~ m#^\./?#);
1966 return ($repo_id, $path);
1967 }
1968 }
1969 (undef, undef, undef);
1970}
1971sub new {
1973 my ($class, $ref_id, $repo_id, $path) = @_;
1974 if (defined $ref_id && !defined $repo_id && !defined $path) {
1975 ($repo_id, $path) = find_ref($ref_id);
1976 if (!defined $repo_id) {
1977 die "Could not find a \"svn-remote.*.fetch\" key ",
1978 "in the repository configuration matching: ",
1979 "refs/remotes/$ref_id\n";
1980 }
1981 }
1982 my $self = _new($class, $repo_id, $ref_id, $path);
1983 if (!defined $self->{path} || !length $self->{path}) {
1984 my $fetch = command_oneline('config', '--get',
1985 "svn-remote.$repo_id.fetch",
1986 ":refs/remotes/$ref_id\$") or
1987 die "Failed to read \"svn-remote.$repo_id.fetch\" ",
1988 "\":refs/remotes/$ref_id\$\" in config\n";
1989 ($self->{path}, undef) = split(/\s*:\s*/, $fetch);
1990 }
1991 $self->{url} = command_oneline('config', '--get',
1992 "svn-remote.$repo_id.url") or
1993 die "Failed to read \"svn-remote.$repo_id.url\" in config\n";
1994 $self->rebuild;
1995 $self;
1996}
1997sub refname {
1999 my ($refname) = "refs/remotes/$_[0]->{ref_id}" ;
2000 # It cannot end with a slash /, we'll throw up on this because
2002 # SVN can't have directories with a slash in their name, either:
2003 if ($refname =~ m{/$}) {
2004 die "ref: '$refname' ends with a trailing slash, this is ",
2005 "not permitted by git nor Subversion\n";
2006 }
2007 # It cannot have ASCII control character space, tilde ~, caret ^,
2009 # colon :, question-mark ?, asterisk *, space, or open bracket [
2010 # anywhere.
2011 #
2012 # Additionally, % must be escaped because it is used for escaping
2013 # and we want our escaped refname to be reversible
2014 $refname =~ s{([ \%~\^:\?\*\[\t])}{uc sprintf('%%%02x',ord($1))}eg;
2015 # no slash-separated component can begin with a dot .
2017 # /.* becomes /%2E*
2018 $refname =~ s{/\.}{/%2E}g;
2019 # It cannot have two consecutive dots .. anywhere
2021 # .. becomes %2E%2E
2022 $refname =~ s{\.\.}{%2E%2E}g;
2023 return $refname;
2025}
2026sub desanitize_refname {
2028 my ($refname) = @_;
2029 $refname =~ s{%(?:([0-9A-F]{2}))}{chr hex($1)}eg;
2030 return $refname;
2031}
2032sub svm_uuid {
2034 my ($self) = @_;
2035 return $self->{svm}->{uuid} if $self->svm;
2036 $self->ra;
2037 unless ($self->{svm}) {
2038 die "SVM UUID not cached, and reading remotely failed\n";
2039 }
2040 $self->{svm}->{uuid};
2041}
2042sub svm {
2044 my ($self) = @_;
2045 return $self->{svm} if $self->{svm};
2046 my $svm;
2047 # see if we have it in our config, first:
2048 eval {
2049 my $section = "svn-remote.$self->{repo_id}";
2050 $svm = {
2051 source => tmp_config('--get', "$section.svm-source"),
2052 uuid => tmp_config('--get', "$section.svm-uuid"),
2053 replace => tmp_config('--get', "$section.svm-replace"),
2054 }
2055 };
2056 if ($svm && $svm->{source} && $svm->{uuid} && $svm->{replace}) {
2057 $self->{svm} = $svm;
2058 }
2059 $self->{svm};
2060}
2061sub _set_svm_vars {
2063 my ($self, $ra) = @_;
2064 return $ra if $self->svm;
2065 my @err = ( "useSvmProps set, but failed to read SVM properties\n",
2067 "(svm:source, svm:uuid) ",
2068 "from the following URLs:\n" );
2069 sub read_svm_props {
2070 my ($self, $ra, $path, $r) = @_;
2071 my $props = ($ra->get_dir($path, $r))[2];
2072 my $src = $props->{'svm:source'};
2073 my $uuid = $props->{'svm:uuid'};
2074 return undef if (!$src || !$uuid);
2075 chomp($src, $uuid);
2077 $uuid =~ m{^[0-9a-f\-]{30,}$}i
2079 or die "doesn't look right - svm:uuid is '$uuid'\n";
2080 # the '!' is used to mark the repos_root!/relative/path
2082 $src =~ s{/?!/?}{/};
2083 $src =~ s{/+$}{}; # no trailing slashes please
2084 # username is of no interest
2085 $src =~ s{(^[a-z\+]*://)[^/@]*@}{$1};
2086 my $replace = $ra->{url};
2088 $replace .= "/$path" if length $path;
2089 my $section = "svn-remote.$self->{repo_id}";
2091 tmp_config("$section.svm-source", $src);
2092 tmp_config("$section.svm-replace", $replace);
2093 tmp_config("$section.svm-uuid", $uuid);
2094 $self->{svm} = {
2095 source => $src,
2096 uuid => $uuid,
2097 replace => $replace
2098 };
2099 }
2100 my $r = $ra->get_latest_revnum;
2102 my $path = $self->{path};
2103 my %tried;
2104 while (length $path) {
2105 unless ($tried{"$self->{url}/$path"}) {
2106 return $ra if $self->read_svm_props($ra, $path, $r);
2107 $tried{"$self->{url}/$path"} = 1;
2108 }
2109 $path =~ s#/?[^/]+$##;
2110 }
2111 die "Path: '$path' should be ''\n" if $path ne '';
2112 return $ra if $self->read_svm_props($ra, $path, $r);
2113 $tried{"$self->{url}/$path"} = 1;
2114 if ($ra->{repos_root} eq $self->{url}) {
2116 die @err, (map { " $_\n" } keys %tried), "\n";
2117 }
2118 # nope, make sure we're connected to the repository root:
2120 my $ok;
2121 my @tried_b;
2122 $path = $ra->{svn_path};
2123 $ra = Git::SVN::Ra->new($ra->{repos_root});
2124 while (length $path) {
2125 unless ($tried{"$ra->{url}/$path"}) {
2126 $ok = $self->read_svm_props($ra, $path, $r);
2127 last if $ok;
2128 $tried{"$ra->{url}/$path"} = 1;
2129 }
2130 $path =~ s#/?[^/]+$##;
2131 }
2132 die "Path: '$path' should be ''\n" if $path ne '';
2133 $ok ||= $self->read_svm_props($ra, $path, $r);
2134 $tried{"$ra->{url}/$path"} = 1;
2135 if (!$ok) {
2136 die @err, (map { " $_\n" } keys %tried), "\n";
2137 }
2138 Git::SVN::Ra->new($self->{url});
2139}
2140sub svnsync {
2142 my ($self) = @_;
2143 return $self->{svnsync} if $self->{svnsync};
2144 if ($self->no_metadata) {
2146 die "Can't have both 'noMetadata' and ",
2147 "'useSvnsyncProps' options set!\n";
2148 }
2149 if ($self->rewrite_root) {
2150 die "Can't have both 'useSvnsyncProps' and 'rewriteRoot' ",
2151 "options set!\n";
2152 }
2153 my $svnsync;
2155 # see if we have it in our config, first:
2156 eval {
2157 my $section = "svn-remote.$self->{repo_id}";
2158 my $url = tmp_config('--get', "$section.svnsync-url");
2160 ($url) = ($url =~ m{^([a-z\+]+://\S+)$}) or
2161 die "doesn't look right - svn:sync-from-url is '$url'\n";
2162 my $uuid = tmp_config('--get', "$section.svnsync-uuid");
2164 ($uuid) = ($uuid =~ m{^([0-9a-f\-]{30,})$}i) or
2165 die "doesn't look right - svn:sync-from-uuid is '$uuid'\n";
2166 $svnsync = { url => $url, uuid => $uuid }
2168 };
2169 if ($svnsync && $svnsync->{url} && $svnsync->{uuid}) {
2170 return $self->{svnsync} = $svnsync;
2171 }
2172 my $err = "useSvnsyncProps set, but failed to read " .
2174 "svnsync property: svn:sync-from-";
2175 my $rp = $self->ra->rev_proplist(0);
2176 my $url = $rp->{'svn:sync-from-url'} or die $err . "url\n";
2178 ($url) = ($url =~ m{^([a-z\+]+://\S+)$}) or
2179 die "doesn't look right - svn:sync-from-url is '$url'\n";
2180 my $uuid = $rp->{'svn:sync-from-uuid'} or die $err . "uuid\n";
2182 ($uuid) = ($uuid =~ m{^([0-9a-f\-]{30,})$}i) or
2183 die "doesn't look right - svn:sync-from-uuid is '$uuid'\n";
2184 my $section = "svn-remote.$self->{repo_id}";
2186 tmp_config('--add', "$section.svnsync-uuid", $uuid);
2187 tmp_config('--add', "$section.svnsync-url", $url);
2188 return $self->{svnsync} = { url => $url, uuid => $uuid };
2189}
2190# this allows us to memoize our SVN::Ra UUID locally and avoid a
2192# remote lookup (useful for 'git svn log').
2193sub ra_uuid {
2194 my ($self) = @_;
2195 unless ($self->{ra_uuid}) {
2196 my $key = "svn-remote.$self->{repo_id}.uuid";
2197 my $uuid = eval { tmp_config('--get', $key) };
2198 if (!$@ && $uuid && $uuid =~ /^([a-f\d\-]{30,})$/i) {
2199 $self->{ra_uuid} = $uuid;
2200 } else {
2201 die "ra_uuid called without URL\n" unless $self->{url};
2202 $self->{ra_uuid} = $self->ra->get_uuid;
2203 tmp_config('--add', $key, $self->{ra_uuid});
2204 }
2205 }
2206 $self->{ra_uuid};
2207}
2208sub _set_repos_root {
2210 my ($self, $repos_root) = @_;
2211 my $k = "svn-remote.$self->{repo_id}.reposRoot";
2212 $repos_root ||= $self->ra->{repos_root};
2213 tmp_config($k, $repos_root);
2214 $repos_root;
2215}
2216sub repos_root {
2218 my ($self) = @_;
2219 my $k = "svn-remote.$self->{repo_id}.reposRoot";
2220 eval { tmp_config('--get', $k) } || $self->_set_repos_root;
2221}
2222sub ra {
2224 my ($self) = shift;
2225 my $ra = Git::SVN::Ra->new($self->{url});
2226 $self->_set_repos_root($ra->{repos_root});
2227 if ($self->use_svm_props && !$self->{svm}) {
2228 if ($self->no_metadata) {
2229 die "Can't have both 'noMetadata' and ",
2230 "'useSvmProps' options set!\n";
2231 } elsif ($self->use_svnsync_props) {
2232 die "Can't have both 'useSvnsyncProps' and ",
2233 "'useSvmProps' options set!\n";
2234 }
2235 $ra = $self->_set_svm_vars($ra);
2236 $self->{-want_revprops} = 1;
2237 }
2238 $ra;
2239}
2240# prop_walk(PATH, REV, SUB)
2242# -------------------------
2243# Recursively traverse PATH at revision REV and invoke SUB for each
2244# directory that contains a SVN property. SUB will be invoked as
2245# follows: &SUB(gs, path, props); where `gs' is this instance of
2246# Git::SVN, `path' the path to the directory where the properties
2247# `props' were found. The `path' will be relative to point of checkout,
2248# that is, if url://repo/trunk is the current Git branch, and that
2249# directory contains a sub-directory `d', SUB will be invoked with `/d/'
2250# as `path' (note the trailing `/').
2251sub prop_walk {
2252 my ($self, $path, $rev, $sub) = @_;
2253 $path =~ s#^/##;
2255 my ($dirent, undef, $props) = $self->ra->get_dir($path, $rev);
2256 $path =~ s#^/*#/#g;
2257 my $p = $path;
2258 # Strip the irrelevant part of the path.
2259 $p =~ s#^/+\Q$self->{path}\E(/|$)#/#;
2260 # Ensure the path is terminated by a `/'.
2261 $p =~ s#/*$#/#;
2262 # The properties contain all the internal SVN stuff nobody
2264 # (usually) cares about.
2265 my $interesting_props = 0;
2266 foreach (keys %{$props}) {
2267 # If it doesn't start with `svn:', it must be a
2268 # user-defined property.
2269 ++$interesting_props and next if $_ !~ /^svn:/;
2270 # FIXME: Fragile, if SVN adds new public properties,
2271 # this needs to be updated.
2272 ++$interesting_props if /^svn:(?:ignore|keywords|executable
2273 |eol-style|mime-type
2274 |externals|needs-lock)$/x;
2275 }
2276 &$sub($self, $p, $props) if $interesting_props;
2277 foreach (sort keys %$dirent) {
2279 next if $dirent->{$_}->{kind} != $SVN::Node::dir;
2280 $self->prop_walk($self->{path} . $p . $_, $rev, $sub);
2281 }
2282}
2283sub last_rev { ($_[0]->last_rev_commit)[0] }
2285sub last_commit { ($_[0]->last_rev_commit)[1] }
2286# returns the newest SVN revision number and newest commit SHA1
2288sub last_rev_commit {
2289 my ($self) = @_;
2290 if (defined $self->{last_rev} && defined $self->{last_commit}) {
2291 return ($self->{last_rev}, $self->{last_commit});
2292 }
2293 my $c = ::verify_ref($self->refname.'^0');
2294 if ($c && !$self->use_svm_props && !$self->no_metadata) {
2295 my $rev = (::cmt_metadata($c))[1];
2296 if (defined $rev) {
2297 ($self->{last_rev}, $self->{last_commit}) = ($rev, $c);
2298 return ($rev, $c);
2299 }
2300 }
2301 my $map_path = $self->map_path;
2302 unless (-e $map_path) {
2303 ($self->{last_rev}, $self->{last_commit}) = (undef, undef);
2304 return (undef, undef);
2305 }
2306 my ($rev, $commit) = $self->rev_map_max(1);
2307 ($self->{last_rev}, $self->{last_commit}) = ($rev, $commit);
2308 return ($rev, $commit);
2309}
2310sub get_fetch_range {
2312 my ($self, $min, $max) = @_;
2313 $max ||= $self->ra->get_latest_revnum;
2314 $min ||= $self->rev_map_max;
2315 (++$min, $max);
2316}
2317sub tmp_config {
2319 my (@args) = @_;
2320 my $old_def_config = "$ENV{GIT_DIR}/svn/config";
2321 my $config = "$ENV{GIT_DIR}/svn/.metadata";
2322 if (! -f $config && -f $old_def_config) {
2323 rename $old_def_config, $config or
2324 die "Failed rename $old_def_config => $config: $!\n";
2325 }
2326 my $old_config = $ENV{GIT_CONFIG};
2327 $ENV{GIT_CONFIG} = $config;
2328 $@ = undef;
2329 my @ret = eval {
2330 unless (-f $config) {
2331 mkfile($config);
2332 open my $fh, '>', $config or
2333 die "Can't open $config: $!\n";
2334 print $fh "; This file is used internally by ",
2335 "git-svn\n" or die
2336 "Couldn't write to $config: $!\n";
2337 print $fh "; You should not have to edit it\n" or
2338 die "Couldn't write to $config: $!\n";
2339 close $fh or die "Couldn't close $config: $!\n";
2340 }
2341 command('config', @args);
2342 };
2343 my $err = $@;
2344 if (defined $old_config) {
2345 $ENV{GIT_CONFIG} = $old_config;
2346 } else {
2347 delete $ENV{GIT_CONFIG};
2348 }
2349 die $err if $err;
2350 wantarray ? @ret : $ret[0];
2351}
2352sub tmp_index_do {
2354 my ($self, $sub) = @_;
2355 my $old_index = $ENV{GIT_INDEX_FILE};
2356 $ENV{GIT_INDEX_FILE} = $self->{index};
2357 $@ = undef;
2358 my @ret = eval {
2359 my ($dir, $base) = ($self->{index} =~ m#^(.*?)/?([^/]+)$#);
2360 mkpath([$dir]) unless -d $dir;
2361 &$sub;
2362 };
2363 my $err = $@;
2364 if (defined $old_index) {
2365 $ENV{GIT_INDEX_FILE} = $old_index;
2366 } else {
2367 delete $ENV{GIT_INDEX_FILE};
2368 }
2369 die $err if $err;
2370 wantarray ? @ret : $ret[0];
2371}
2372sub assert_index_clean {
2374 my ($self, $treeish) = @_;
2375 $self->tmp_index_do(sub {
2377 command_noisy('read-tree', $treeish) unless -e $self->{index};
2378 my $x = command_oneline('write-tree');
2379 my ($y) = (command(qw/cat-file commit/, $treeish) =~
2380 /^tree ($::sha1)/mo);
2381 return if $y eq $x;
2382 warn "Index mismatch: $y != $x\nrereading $treeish\n";
2384 unlink $self->{index} or die "unlink $self->{index}: $!\n";
2385 command_noisy('read-tree', $treeish);
2386 $x = command_oneline('write-tree');
2387 if ($y ne $x) {
2388 ::fatal "trees ($treeish) $y != $x\n",
2389 "Something is seriously wrong...";
2390 }
2391 });
2392}
2393sub get_commit_parents {
2395 my ($self, $log_entry) = @_;
2396 my (%seen, @ret, @tmp);
2397 # legacy support for 'set-tree'; this is only used by set_tree_cb:
2398 if (my $ip = $self->{inject_parents}) {
2399 if (my $commit = delete $ip->{$log_entry->{revision}}) {
2400 push @tmp, $commit;
2401 }
2402 }
2403 if (my $cur = ::verify_ref($self->refname.'^0')) {
2404 push @tmp, $cur;
2405 }
2406 if (my $ipd = $self->{inject_parents_dcommit}) {
2407 if (my $commit = delete $ipd->{$log_entry->{revision}}) {
2408 push @tmp, @$commit;
2409 }
2410 }
2411 push @tmp, $_ foreach (@{$log_entry->{parents}}, @tmp);
2412 while (my $p = shift @tmp) {
2413 next if $seen{$p};
2414 $seen{$p} = 1;
2415 push @ret, $p;
2416 # MAXPARENT is defined to 16 in commit-tree.c:
2417 last if @ret >= 16;
2418 }
2419 if (@tmp) {
2420 die "r$log_entry->{revision}: No room for parents:\n\t",
2421 join("\n\t", @tmp), "\n";
2422 }
2423 @ret;
2424}
2425sub rewrite_root {
2427 my ($self) = @_;
2428 return $self->{-rewrite_root} if exists $self->{-rewrite_root};
2429 my $k = "svn-remote.$self->{repo_id}.rewriteRoot";
2430 my $rwr = eval { command_oneline(qw/config --get/, $k) };
2431 if ($rwr) {
2432 $rwr =~ s#/+$##;
2433 if ($rwr !~ m#^[a-z\+]+://#) {
2434 die "$rwr is not a valid URL (key: $k)\n";
2435 }
2436 }
2437 $self->{-rewrite_root} = $rwr;
2438}
2439sub metadata_url {
2441 my ($self) = @_;
2442 ($self->rewrite_root || $self->{url}) .
2443 (length $self->{path} ? '/' . $self->{path} : '');
2444}
2445sub full_url {
2447 my ($self) = @_;
2448 $self->{url} . (length $self->{path} ? '/' . $self->{path} : '');
2449}
2450sub set_commit_header_env {
2453 my ($log_entry) = @_;
2454 my %env;
2455 foreach my $ned (qw/NAME EMAIL DATE/) {
2456 foreach my $ac (qw/AUTHOR COMMITTER/) {
2457 $env{"GIT_${ac}_${ned}"} = $ENV{"GIT_${ac}_${ned}"};
2458 }
2459 }
2460 $ENV{GIT_AUTHOR_NAME} = $log_entry->{name};
2462 $ENV{GIT_AUTHOR_EMAIL} = $log_entry->{email};
2463 $ENV{GIT_AUTHOR_DATE} = $ENV{GIT_COMMITTER_DATE} = $log_entry->{date};
2464 $ENV{GIT_COMMITTER_NAME} = (defined $log_entry->{commit_name})
2466 ? $log_entry->{commit_name}
2467 : $log_entry->{name};
2468 $ENV{GIT_COMMITTER_EMAIL} = (defined $log_entry->{commit_email})
2469 ? $log_entry->{commit_email}
2470 : $log_entry->{email};
2471 \%env;
2472}
2473sub restore_commit_header_env {
2475 my ($env) = @_;
2476 foreach my $ned (qw/NAME EMAIL DATE/) {
2477 foreach my $ac (qw/AUTHOR COMMITTER/) {
2478 my $k = "GIT_${ac}_${ned}";
2479 if (defined $env->{$k}) {
2480 $ENV{$k} = $env->{$k};
2481 } else {
2482 delete $ENV{$k};
2483 }
2484 }
2485 }
2486}
2487sub gc {
2489 command_noisy('gc', '--auto');
2490};
2491sub do_git_commit {
2493 my ($self, $log_entry) = @_;
2494 my $lr = $self->last_rev;
2495 if (defined $lr && $lr >= $log_entry->{revision}) {
2496 die "Last fetched revision of ", $self->refname,
2497 " was r$lr, but we are about to fetch: ",
2498 "r$log_entry->{revision}!\n";
2499 }
2500 if (my $c = $self->rev_map_get($log_entry->{revision})) {
2501 croak "$log_entry->{revision} = $c already exists! ",
2502 "Why are we refetching it?\n";
2503 }
2504 my $old_env = set_commit_header_env($log_entry);
2505 my $tree = $log_entry->{tree};
2506 if (!defined $tree) {
2507 $tree = $self->tmp_index_do(sub {
2508 command_oneline('write-tree') });
2509 }
2510 die "Tree is not a valid sha1: $tree\n" if $tree !~ /^$::sha1$/o;
2511 my @exec = ('git', 'commit-tree', $tree);
2513 foreach ($self->get_commit_parents($log_entry)) {
2514 push @exec, '-p', $_;
2515 }
2516 defined(my $pid = open3(my $msg_fh, my $out_fh, '>&STDERR', @exec))
2517 or croak $!;
2518 binmode $msg_fh;
2519 # we always get UTF-8 from SVN, but we may want our commits in
2521 # a different encoding.
2522 if (my $enc = Git::config('i18n.commitencoding')) {
2523 require Encode;
2524 Encode::from_to($log_entry->{log}, 'UTF-8', $enc);
2525 }
2526 print $msg_fh $log_entry->{log} or croak $!;
2527 restore_commit_header_env($old_env);
2528 unless ($self->no_metadata) {
2529 print $msg_fh "\ngit-svn-id: $log_entry->{metadata}\n"
2530 or croak $!;
2531 }
2532 $msg_fh->flush == 0 or croak $!;
2533 close $msg_fh or croak $!;
2534 chomp(my $commit = do { local $/; <$out_fh> });
2535 close $out_fh or croak $!;
2536 waitpid $pid, 0;
2537 croak $? if $?;
2538 if ($commit !~ /^$::sha1$/o) {
2539 die "Failed to commit, invalid sha1: $commit\n";
2540 }
2541 $self->rev_map_set($log_entry->{revision}, $commit, 1);
2543 $self->{last_rev} = $log_entry->{revision};
2545 $self->{last_commit} = $commit;
2546 print "r$log_entry->{revision}" unless $::_q > 1;
2547 if (defined $log_entry->{svm_revision}) {
2548 print " (\@$log_entry->{svm_revision})" unless $::_q > 1;
2549 $self->rev_map_set($log_entry->{svm_revision}, $commit,
2550 0, $self->svm_uuid);
2551 }
2552 print " = $commit ($self->{ref_id})\n" unless $::_q > 1;
2553 if (--$_gc_nr == 0) {
2554 $_gc_nr = $_gc_period;
2555 gc();
2556 }
2557 return $commit;
2558}
2559sub match_paths {
2561 my ($self, $paths, $r) = @_;
2562 return 1 if $self->{path} eq '';
2563 if (my $path = $paths->{"/$self->{path}"}) {
2564 return ($path->{action} eq 'D') ? 0 : 1;
2565 }
2566 $self->{path_regex} ||= qr/^\/\Q$self->{path}\E\//;
2567 if (grep /$self->{path_regex}/, keys %$paths) {
2568 return 1;
2569 }
2570 my $c = '';
2571 foreach (split m#/#, $self->{path}) {
2572 $c .= "/$_";
2573 next unless ($paths->{$c} &&
2574 ($paths->{$c}->{action} =~ /^[AR]$/));
2575 if ($self->ra->check_path($self->{path}, $r) ==
2576 $SVN::Node::dir) {
2577 return 1;
2578 }
2579 }
2580 return 0;
2581}
2582sub find_parent_branch {
2584 my ($self, $paths, $rev) = @_;
2585 return undef unless $self->follow_parent;
2586 unless (defined $paths) {
2587 my $err_handler = $SVN::Error::handler;
2588 $SVN::Error::handler = \&Git::SVN::Ra::skip_unknown_revs;
2589 $self->ra->get_log([$self->{path}], $rev, $rev, 0, 1, 1,
2590 sub { $paths = $_[0] });
2591 $SVN::Error::handler = $err_handler;
2592 }
2593 return undef unless defined $paths;
2594 # look for a parent from another branch:
2596 my @b_path_components = split m#/#, $self->{path};
2597 my @a_path_components;
2598 my $i;
2599 while (@b_path_components) {
2600 $i = $paths->{'/'.join('/', @b_path_components)};
2601 last if $i && defined $i->{copyfrom_path};
2602 unshift(@a_path_components, pop(@b_path_components));
2603 }
2604 return undef unless defined $i && defined $i->{copyfrom_path};
2605 my $branch_from = $i->{copyfrom_path};
2606 if (@a_path_components) {
2607 print STDERR "branch_from: $branch_from => ";
2608 $branch_from .= '/'.join('/', @a_path_components);
2609 print STDERR $branch_from, "\n";
2610 }
2611 my $r = $i->{copyfrom_rev};
2612 my $repos_root = $self->ra->{repos_root};
2613 my $url = $self->ra->{url};
2614 my $new_url = $url . $branch_from;
2615 print STDERR "Found possible branch point: ",
2616 "$new_url => ", $self->full_url, ", $r\n";
2617 $branch_from =~ s#^/##;
2618 my $gs = $self->other_gs($new_url, $url,
2619 $branch_from, $r, $self->{ref_id});
2620 my ($r0, $parent) = $gs->find_rev_before($r, 1);
2621 {
2622 my ($base, $head);
2623 if (!defined $r0 || !defined $parent) {
2624 ($base, $head) = parse_revision_argument(0, $r);
2625 } else {
2626 if ($r0 < $r) {
2627 $gs->ra->get_log([$gs->{path}], $r0 + 1, $r, 1,
2628 0, 1, sub { $base = $_[1] - 1 });
2629 }
2630 }
2631 if (defined $base && $base <= $r) {
2632 $gs->fetch($base, $r);
2633 }
2634 ($r0, $parent) = $gs->find_rev_before($r, 1);
2635 }
2636 if (defined $r0 && defined $parent) {
2637 print STDERR "Found branch parent: ($self->{ref_id}) $parent\n";
2638 my $ed;
2639 if ($self->ra->can_do_switch) {
2640 $self->assert_index_clean($parent);
2641 print STDERR "Following parent with do_switch\n";
2642 # do_switch works with svn/trunk >= r22312, but that
2643 # is not included with SVN 1.4.3 (the latest version
2644 # at the moment), so we can't rely on it
2645 $self->{last_rev} = $r0;
2646 $self->{last_commit} = $parent;
2647 $ed = SVN::Git::Fetcher->new($self, $gs->{path});
2648 $gs->ra->gs_do_switch($r0, $rev, $gs,
2649 $self->full_url, $ed)
2650 or die "SVN connection failed somewhere...\n";
2651 } elsif ($self->ra->trees_match($new_url, $r0,
2652 $self->full_url, $rev)) {
2653 print STDERR "Trees match:\n",
2654 " $new_url\@$r0\n",
2655 " ${\$self->full_url}\@$rev\n",
2656 "Following parent with no changes\n";
2657 $self->tmp_index_do(sub {
2658 command_noisy('read-tree', $parent);
2659 });
2660 $self->{last_commit} = $parent;
2661 } else {
2662 print STDERR "Following parent with do_update\n";
2663 $ed = SVN::Git::Fetcher->new($self);
2664 $self->ra->gs_do_update($rev, $rev, $self, $ed)
2665 or die "SVN connection failed somewhere...\n";
2666 }
2667 print STDERR "Successfully followed parent\n";
2668 return $self->make_log_entry($rev, [$parent], $ed);
2669 }
2670 return undef;
2671}
2672sub do_fetch {
2674 my ($self, $paths, $rev) = @_;
2675 my $ed;
2676 my ($last_rev, @parents);
2677 if (my $lc = $self->last_commit) {
2678 # we can have a branch that was deleted, then re-added
2679 # under the same name but copied from another path, in
2680 # which case we'll have multiple parents (we don't
2681 # want to break the original ref, nor lose copypath info):
2682 if (my $log_entry = $self->find_parent_branch($paths, $rev)) {
2683 push @{$log_entry->{parents}}, $lc;
2684 return $log_entry;
2685 }
2686 $ed = SVN::Git::Fetcher->new($self);
2687 $last_rev = $self->{last_rev};
2688 $ed->{c} = $lc;
2689 @parents = ($lc);
2690 } else {
2691 $last_rev = $rev;
2692 if (my $log_entry = $self->find_parent_branch($paths, $rev)) {
2693 return $log_entry;
2694 }
2695 $ed = SVN::Git::Fetcher->new($self);
2696 }
2697 unless ($self->ra->gs_do_update($last_rev, $rev, $self, $ed)) {
2698 die "SVN connection failed somewhere...\n";
2699 }
2700 $self->make_log_entry($rev, \@parents, $ed);
2701}
2702sub get_untracked {
2704 my ($self, $ed) = @_;
2705 my @out;
2706 my $h = $ed->{empty};
2707 foreach (sort keys %$h) {
2708 my $act = $h->{$_} ? '+empty_dir' : '-empty_dir';
2709 push @out, " $act: " . uri_encode($_);
2710 warn "W: $act: $_\n";
2711 }
2712 foreach my $t (qw/dir_prop file_prop/) {
2713 $h = $ed->{$t} or next;
2714 foreach my $path (sort keys %$h) {
2715 my $ppath = $path eq '' ? '.' : $path;
2716 foreach my $prop (sort keys %{$h->{$path}}) {
2717 next if $SKIP_PROP{$prop};
2718 my $v = $h->{$path}->{$prop};
2719 my $t_ppath_prop = "$t: " .
2720 uri_encode($ppath) . ' ' .
2721 uri_encode($prop);
2722 if (defined $v) {
2723 push @out, " +$t_ppath_prop " .
2724 uri_encode($v);
2725 } else {
2726 push @out, " -$t_ppath_prop";
2727 }
2728 }
2729 }
2730 }
2731 foreach my $t (qw/absent_file absent_directory/) {
2732 $h = $ed->{$t} or next;
2733 foreach my $parent (sort keys %$h) {
2734 foreach my $path (sort @{$h->{$parent}}) {
2735 push @out, " $t: " .
2736 uri_encode("$parent/$path");
2737 warn "W: $t: $parent/$path ",
2738 "Insufficient permissions?\n";
2739 }
2740 }
2741 }
2742 \@out;
2743}
2744# parse_svn_date(DATE)
2746# --------------------
2747# Given a date (in UTC) from Subversion, return a string in the format
2748# "<TZ Offset> <local date/time>" that Git will use.
2749#
2750# By default the parsed date will be in UTC; if $Git::SVN::_localtime
2751# is true we'll convert it to the local timezone instead.
2752sub parse_svn_date {
2753 my $date = shift || return '+0000 1970-01-01 00:00:00';
2754 my ($Y,$m,$d,$H,$M,$S) = ($date =~ /^(\d{4})\-(\d\d)\-(\d\d)T
2755 (\d\d)\:(\d\d)\:(\d\d)\.\d*Z$/x) or
2756 croak "Unable to parse date: $date\n";
2757 my $parsed_date; # Set next.
2758 if ($Git::SVN::_localtime) {
2760 # Translate the Subversion datetime to an epoch time.
2761 # Begin by switching ourselves to $date's timezone, UTC.
2762 my $old_env_TZ = $ENV{TZ};
2763 $ENV{TZ} = 'UTC';
2764 my $epoch_in_UTC =
2766 POSIX::strftime('%s', $S, $M, $H, $d, $m - 1, $Y - 1900);
2767 # Determine our local timezone (including DST) at the
2769 # time of $epoch_in_UTC. $Git::SVN::Log::TZ stored the
2770 # value of TZ, if any, at the time we were run.
2771 if (defined $Git::SVN::Log::TZ) {
2772 $ENV{TZ} = $Git::SVN::Log::TZ;
2773 } else {
2774 delete $ENV{TZ};
2775 }
2776 my $our_TZ =
2778 POSIX::strftime('%Z', $S, $M, $H, $d, $m - 1, $Y - 1900);
2779 # This converts $epoch_in_UTC into our local timezone.
2781 my ($sec, $min, $hour, $mday, $mon, $year,
2782 $wday, $yday, $isdst) = localtime($epoch_in_UTC);
2783 $parsed_date = sprintf('%s %04d-%02d-%02d %02d:%02d:%02d',
2785 $our_TZ, $year + 1900, $mon + 1,
2786 $mday, $hour, $min, $sec);
2787 # Reset us to the timezone in effect when we entered
2789 # this routine.
2790 if (defined $old_env_TZ) {
2791 $ENV{TZ} = $old_env_TZ;
2792 } else {
2793 delete $ENV{TZ};
2794 }
2795 } else {
2796 $parsed_date = "+0000 $Y-$m-$d $H:$M:$S";
2797 }
2798 return $parsed_date;
2800}
2801sub other_gs {
2803 my ($self, $new_url, $url,
2804 $branch_from, $r, $old_ref_id) = @_;
2805 my $gs = Git::SVN->find_by_url($new_url, $url, $branch_from);
2806 unless ($gs) {
2807 my $ref_id = $old_ref_id;
2808 $ref_id =~ s/\@\d+$//;
2809 $ref_id .= "\@$r";
2810 # just grow a tail if we're not unique enough :x
2811 $ref_id .= '-' while find_ref($ref_id);
2812 print STDERR "Initializing parent: $ref_id\n";
2813 my ($u, $p, $repo_id) = ($new_url, '', $ref_id);
2814 if ($u =~ s#^\Q$url\E(/|$)##) {
2815 $p = $u;
2816 $u = $url;
2817 $repo_id = $self->{repo_id};
2818 }
2819 $gs = Git::SVN->init($u, $p, $repo_id, $ref_id, 1);
2820 }
2821 $gs
2822}
2823sub call_authors_prog {
2825 my ($orig_author) = @_;
2826 my $author = `$::_authors_prog $orig_author`;
2827 if ($? != 0) {
2828 die "$::_authors_prog failed with exit code $?\n"
2829 }
2830 if ($author =~ /^\s*(.+?)\s*<(.*)>\s*$/) {
2831 my ($name, $email) = ($1, $2);
2832 $email = undef if length $2 == 0;
2833 return [$name, $email];
2834 } else {
2835 die "Author: $orig_author: $::_authors_prog returned "
2836 . "invalid author format: $author\n";
2837 }
2838}
2839sub check_author {
2841 my ($author) = @_;
2842 if (!defined $author || length $author == 0) {
2843 $author = '(no author)';
2844 }
2845 if (!defined $::users{$author}) {
2846 if (defined $::_authors_prog) {
2847 $::users{$author} = call_authors_prog($author);
2848 } elsif (defined $::_authors) {
2849 die "Author: $author not defined in $::_authors file\n";
2850 }
2851 }
2852 $author;
2853}
2854sub make_log_entry {
2856 my ($self, $rev, $parents, $ed) = @_;
2857 my $untracked = $self->get_untracked($ed);
2858 open my $un, '>>', "$self->{dir}/unhandled.log" or croak $!;
2860 print $un "r$rev\n" or croak $!;
2861 print $un $_, "\n" foreach @$untracked;
2862 my %log_entry = ( parents => $parents || [], revision => $rev,
2863 log => '');
2864 my $headrev;
2866 my $logged = delete $self->{logged_rev_props};
2867 if (!$logged || $self->{-want_revprops}) {
2868 my $rp = $self->ra->rev_proplist($rev);
2869 foreach (sort keys %$rp) {
2870 my $v = $rp->{$_};
2871 if (/^svn:(author|date|log)$/) {
2872 $log_entry{$1} = $v;
2873 } elsif ($_ eq 'svm:headrev') {
2874 $headrev = $v;
2875 } else {
2876 print $un " rev_prop: ", uri_encode($_), ' ',
2877 uri_encode($v), "\n";
2878 }
2879 }
2880 } else {
2881 map { $log_entry{$_} = $logged->{$_} } keys %$logged;
2882 }
2883 close $un or croak $!;
2884 $log_entry{date} = parse_svn_date($log_entry{date});
2886 $log_entry{log} .= "\n";
2887 my $author = $log_entry{author} = check_author($log_entry{author});
2888 my ($name, $email) = defined $::users{$author} ? @{$::users{$author}}
2889 : ($author, undef);
2890 my ($commit_name, $commit_email) = ($name, $email);
2892 if ($_use_log_author) {
2893 my $name_field;
2894 if ($log_entry{log} =~ /From:\s+(.*\S)\s*\n/i) {
2895 $name_field = $1;
2896 } elsif ($log_entry{log} =~ /Signed-off-by:\s+(.*\S)\s*\n/i) {
2897 $name_field = $1;
2898 }
2899 if (!defined $name_field) {
2900 if (!defined $email) {
2901 $email = $name;
2902 }
2903 } elsif ($name_field =~ /(.*?)\s+<(.*)>/) {
2904 ($name, $email) = ($1, $2);
2905 } elsif ($name_field =~ /(.*)@/) {
2906 ($name, $email) = ($1, $name_field);
2907 } else {
2908 ($name, $email) = ($name_field, $name_field);
2909 }
2910 }
2911 if (defined $headrev && $self->use_svm_props) {
2912 if ($self->rewrite_root) {
2913 die "Can't have both 'useSvmProps' and 'rewriteRoot' ",
2914 "options set!\n";
2915 }
2916 my ($uuid, $r) = $headrev =~ m{^([a-f\d\-]{30,}):(\d+)$}i;
2917 # we don't want "SVM: initializing mirror for junk" ...
2918 return undef if $r == 0;
2919 my $svm = $self->svm;
2920 if ($uuid ne $svm->{uuid}) {
2921 die "UUID mismatch on SVM path:\n",
2922 "expected: $svm->{uuid}\n",
2923 " got: $uuid\n";
2924 }
2925 my $full_url = $self->full_url;
2926 $full_url =~ s#^\Q$svm->{replace}\E(/|$)#$svm->{source}$1# or
2927 die "Failed to replace '$svm->{replace}' with ",
2928 "'$svm->{source}' in $full_url\n";
2929 # throw away username for storing in records
2930 remove_username($full_url);
2931 $log_entry{metadata} = "$full_url\@$r $uuid";
2932 $log_entry{svm_revision} = $r;
2933 $email ||= "$author\@$uuid";
2934 $commit_email ||= "$author\@$uuid";
2935 } elsif ($self->use_svnsync_props) {
2936 my $full_url = $self->svnsync->{url};
2937 $full_url .= "/$self->{path}" if length $self->{path};
2938 remove_username($full_url);
2939 my $uuid = $self->svnsync->{uuid};
2940 $log_entry{metadata} = "$full_url\@$rev $uuid";
2941 $email ||= "$author\@$uuid";
2942 $commit_email ||= "$author\@$uuid";
2943 } else {
2944 my $url = $self->metadata_url;
2945 remove_username($url);
2946 $log_entry{metadata} = "$url\@$rev " .
2947 $self->ra->get_uuid;
2948 $email ||= "$author\@" . $self->ra->get_uuid;
2949 $commit_email ||= "$author\@" . $self->ra->get_uuid;
2950 }
2951 $log_entry{name} = $name;
2952 $log_entry{email} = $email;
2953 $log_entry{commit_name} = $commit_name;
2954 $log_entry{commit_email} = $commit_email;
2955 \%log_entry;
2956}
2957sub fetch {
2959 my ($self, $min_rev, $max_rev, @parents) = @_;
2960 my ($last_rev, $last_commit) = $self->last_rev_commit;
2961 my ($base, $head) = $self->get_fetch_range($min_rev, $max_rev);
2962 $self->ra->gs_fetch_loop_common($base, $head, [$self]);
2963}
2964sub set_tree_cb {
2966 my ($self, $log_entry, $tree, $rev, $date, $author) = @_;
2967 $self->{inject_parents} = { $rev => $tree };
2968 $self->fetch(undef, undef);
2969}
2970sub set_tree {
2972 my ($self, $tree) = (shift, shift);
2973 my $log_entry = ::get_commit_entry($tree);
2974 unless ($self->{last_rev}) {
2975 ::fatal("Must have an existing revision to commit");
2976 }
2977 my %ed_opts = ( r => $self->{last_rev},
2978 log => $log_entry->{log},
2979 ra => $self->ra,
2980 tree_a => $self->{last_commit},
2981 tree_b => $tree,
2982 editor_cb => sub {
2983 $self->set_tree_cb($log_entry, $tree, @_) },
2984 svn_path => $self->{path} );
2985 if (!SVN::Git::Editor->new(\%ed_opts)->apply_diff) {
2986 print "No changes\nr$self->{last_rev} = $tree\n";
2987 }
2988}
2989sub rebuild_from_rev_db {
2991 my ($self, $path) = @_;
2992 my $r = -1;
2993 open my $fh, '<', $path or croak "open: $!";
2994 binmode $fh or croak "binmode: $!";
2995 while (<$fh>) {
2996 length($_) == 41 or croak "inconsistent size in ($_) != 41";
2997 chomp($_);
2998 ++$r;
2999 next if $_ eq ('0' x 40);
3000 $self->rev_map_set($r, $_);
3001 print "r$r = $_\n";
3002 }
3003 close $fh or croak "close: $!";
3004 unlink $path or croak "unlink: $!";
3005}
3006sub rebuild {
3008 my ($self) = @_;
3009 my $map_path = $self->map_path;
3010 my $partial = (-e $map_path && ! -z $map_path);
3011 return unless ::verify_ref($self->refname.'^0');
3012 if (!$partial && ($self->use_svm_props || $self->no_metadata)) {
3013 my $rev_db = $self->rev_db_path;
3014 $self->rebuild_from_rev_db($rev_db);
3015 if ($self->use_svm_props) {
3016 my $svm_rev_db = $self->rev_db_path($self->svm_uuid);
3017 $self->rebuild_from_rev_db($svm_rev_db);
3018 }
3019 $self->unlink_rev_db_symlink;
3020 return;
3021 }
3022 print "Rebuilding $map_path ...\n" if (!$partial);
3023 my ($base_rev, $head) = ($partial ? $self->rev_map_max_norebuild(1) :
3024 (undef, undef));
3025 my ($log, $ctx) =
3026 command_output_pipe(qw/rev-list --pretty=raw --no-color --reverse/,
3027 ($head ? "$head.." : "") . $self->refname,
3028 '--');
3029 my $metadata_url = $self->metadata_url;
3030 remove_username($metadata_url);
3031 my $svn_uuid = $self->ra_uuid;
3032 my $c;
3033 while (<$log>) {
3034 if ( m{^commit ($::sha1)$} ) {
3035 $c = $1;
3036 next;
3037 }
3038 next unless s{^\s*(git-svn-id:)}{$1};
3039 my ($url, $rev, $uuid) = ::extract_metadata($_);
3040 remove_username($url);
3041 # ignore merges (from set-tree)
3043 next if (!defined $rev || !$uuid);
3044 # if we merged or otherwise started elsewhere, this is
3046 # how we break out of it
3047 if (($uuid ne $svn_uuid) ||
3048 ($metadata_url && $url && ($url ne $metadata_url))) {
3049 next;
3050 }
3051 if ($partial && $head) {
3052 print "Partial-rebuilding $map_path ...\n";
3053 print "Currently at $base_rev = $head\n";
3054 $head = undef;
3055 }
3056 $self->rev_map_set($rev, $c);
3058 print "r$rev = $c\n";
3059 }
3060 command_close_pipe($log, $ctx);
3061 print "Done rebuilding $map_path\n" if (!$partial || !$head);
3062 my $rev_db_path = $self->rev_db_path;
3063 if (-f $self->rev_db_path) {
3064 unlink $self->rev_db_path or croak "unlink: $!";
3065 }
3066 $self->unlink_rev_db_symlink;
3067}
3068# rev_map:
3070# Tie::File seems to be prone to offset errors if revisions get sparse,
3071# it's not that fast, either. Tie::File is also not in Perl 5.6. So
3072# one of my favorite modules is out :< Next up would be one of the DBM
3073# modules, but I'm not sure which is most portable...
3074#
3075# This is the replacement for the rev_db format, which was too big
3076# and inefficient for large repositories with a lot of sparse history
3077# (mainly tags)
3078#
3079# The format is this:
3080# - 24 bytes for every record,
3081# * 4 bytes for the integer representing an SVN revision number
3082# * 20 bytes representing the sha1 of a git commit
3083# - No empty padding records like the old format
3084# (except the last record, which can be overwritten)
3085# - new records are written append-only since SVN revision numbers
3086# increase monotonically
3087# - lookups on SVN revision number are done via a binary search
3088# - Piping the file to xxd -c24 is a good way of dumping it for
3089# viewing or editing (piped back through xxd -r), should the need
3090# ever arise.
3091# - The last record can be padding revision with an all-zero sha1
3092# This is used to optimize fetch performance when using multiple
3093# "fetch" directives in .git/config
3094#
3095# These files are disposable unless noMetadata or useSvmProps is set
3096sub _rev_map_set {
3098 my ($fh, $rev, $commit) = @_;
3099 binmode $fh or croak "binmode: $!";
3101 my $size = (stat($fh))[7];
3102 ($size % 24) == 0 or croak "inconsistent size: $size";
3103 my $wr_offset = 0;
3105 if ($size > 0) {
3106 sysseek($fh, -24, SEEK_END) or croak "seek: $!";
3107 my $read = sysread($fh, my $buf, 24) or croak "read: $!";
3108 $read == 24 or croak "read only $read bytes (!= 24)";
3109 my ($last_rev, $last_commit) = unpack(rev_map_fmt, $buf);
3110 if ($last_commit eq ('0' x40)) {
3111 if ($size >= 48) {
3112 sysseek($fh, -48, SEEK_END) or croak "seek: $!";
3113 $read = sysread($fh, $buf, 24) or
3114 croak "read: $!";
3115 $read == 24 or
3116 croak "read only $read bytes (!= 24)";
3117 ($last_rev, $last_commit) =
3118 unpack(rev_map_fmt, $buf);
3119 if ($last_commit eq ('0' x40)) {
3120 croak "inconsistent .rev_map\n";
3121 }
3122 }
3123 if ($last_rev >= $rev) {
3124 croak "last_rev is higher!: $last_rev >= $rev";
3125 }
3126 $wr_offset = -24;
3127 }
3128 }
3129 sysseek($fh, $wr_offset, SEEK_END) or croak "seek: $!";
3130 syswrite($fh, pack(rev_map_fmt, $rev, $commit), 24) == 24 or
3131 croak "write: $!";
3132}
3133sub _rev_map_reset {
3135 my ($fh, $rev, $commit) = @_;
3136 my $c = _rev_map_get($fh, $rev);
3137 $c eq $commit or die "_rev_map_reset(@_) commit $c does not match!\n";
3138 my $offset = sysseek($fh, 0, SEEK_CUR) or croak "seek: $!";
3139 truncate $fh, $offset or croak "truncate: $!";
3140}
3141sub mkfile {
3143 my ($path) = @_;
3144 unless (-e $path) {
3145 my ($dir, $base) = ($path =~ m#^(.*?)/?([^/]+)$#);
3146 mkpath([$dir]) unless -d $dir;
3147 open my $fh, '>>', $path or die "Couldn't create $path: $!\n";
3148 close $fh or die "Couldn't close (create) $path: $!\n";
3149 }
3150}
3151sub rev_map_set {
3153 my ($self, $rev, $commit, $update_ref, $uuid) = @_;
3154 length $commit == 40 or die "arg3 must be a full SHA1 hexsum\n";
3155 my $db = $self->map_path($uuid);
3156 my $db_lock = "$db.lock";
3157 my $sig;
3158 $update_ref ||= 0;
3159 if ($update_ref) {
3160 $SIG{INT} = $SIG{HUP} = $SIG{TERM} = $SIG{ALRM} = $SIG{PIPE} =
3161 $SIG{USR1} = $SIG{USR2} = sub { $sig = $_[0] };
3162 }
3163 mkfile($db);
3164 $LOCKFILES{$db_lock} = 1;
3166 my $sync;
3167 # both of these options make our .rev_db file very, very important
3168 # and we can't afford to lose it because rebuild() won't work
3169 if ($self->use_svm_props || $self->no_metadata) {
3170 $sync = 1;
3171 copy($db, $db_lock) or die "rev_map_set(@_): ",
3172 "Failed to copy: ",
3173 "$db => $db_lock ($!)\n";
3174 } else {
3175 rename $db, $db_lock or die "rev_map_set(@_): ",
3176 "Failed to rename: ",
3177 "$db => $db_lock ($!)\n";
3178 }
3179 sysopen(my $fh, $db_lock, O_RDWR | O_CREAT)
3181 or croak "Couldn't open $db_lock: $!\n";
3182 $update_ref eq 'reset' ? _rev_map_reset($fh, $rev, $commit) :
3183 _rev_map_set($fh, $rev, $commit);
3184 if ($sync) {
3185 $fh->flush or die "Couldn't flush $db_lock: $!\n";
3186 $fh->sync or die "Couldn't sync $db_lock: $!\n";
3187 }
3188 close $fh or croak $!;
3189 if ($update_ref) {
3190 $_head = $self;
3191 my $note = "";
3192 $note = " ($update_ref)" if ($update_ref !~ /^\d*$/);
3193 command_noisy('update-ref', '-m', "r$rev$note",
3194 $self->refname, $commit);
3195 }
3196 rename $db_lock, $db or die "rev_map_set(@_): ", "Failed to rename: ",
3197 "$db_lock => $db ($!)\n";
3198 delete $LOCKFILES{$db_lock};
3199 if ($update_ref) {
3200 $SIG{INT} = $SIG{HUP} = $SIG{TERM} = $SIG{ALRM} = $SIG{PIPE} =
3201 $SIG{USR1} = $SIG{USR2} = 'DEFAULT';
3202 kill $sig, $$ if defined $sig;
3203 }
3204}
3205# If want_commit, this will return an array of (rev, commit) where
3207# commit _must_ be a valid commit in the archive.
3208# Otherwise, it'll return the max revision (whether or not the
3209# commit is valid or just a 0x40 placeholder).
3210sub rev_map_max {
3211 my ($self, $want_commit) = @_;
3212 $self->rebuild;
3213 my ($r, $c) = $self->rev_map_max_norebuild($want_commit);
3214 $want_commit ? ($r, $c) : $r;
3215}
3216sub rev_map_max_norebuild {
3218 my ($self, $want_commit) = @_;
3219 my $map_path = $self->map_path;
3220 stat $map_path or return $want_commit ? (0, undef) : 0;
3221 sysopen(my $fh, $map_path, O_RDONLY) or croak "open: $!";
3222 binmode $fh or croak "binmode: $!";
3223 my $size = (stat($fh))[7];
3224 ($size % 24) == 0 or croak "inconsistent size: $size";
3225 if ($size == 0) {
3227 close $fh or croak "close: $!";
3228 return $want_commit ? (0, undef) : 0;
3229 }
3230 sysseek($fh, -24, SEEK_END) or croak "seek: $!";
3232 sysread($fh, my $buf, 24) == 24 or croak "read: $!";
3233 my ($r, $c) = unpack(rev_map_fmt, $buf);
3234 if ($want_commit && $c eq ('0' x40)) {
3235 if ($size < 48) {
3236 return $want_commit ? (0, undef) : 0;
3237 }
3238 sysseek($fh, -48, SEEK_END) or croak "seek: $!";
3239 sysread($fh, $buf, 24) == 24 or croak "read: $!";
3240 ($r, $c) = unpack(rev_map_fmt, $buf);
3241 if ($c eq ('0'x40)) {
3242 croak "Penultimate record is all-zeroes in $map_path";
3243 }
3244 }
3245 close $fh or croak "close: $!";
3246 $want_commit ? ($r, $c) : $r;
3247}
3248sub rev_map_get {
3250 my ($self, $rev, $uuid) = @_;
3251 my $map_path = $self->map_path($uuid);
3252 return undef unless -e $map_path;
3253 sysopen(my $fh, $map_path, O_RDONLY) or croak "open: $!";
3255 my $c = _rev_map_get($fh, $rev);
3256 close($fh) or croak "close: $!";
3257 $c
3258}
3259sub _rev_map_get {
3261 my ($fh, $rev) = @_;
3262 binmode $fh or croak "binmode: $!";
3264 my $size = (stat($fh))[7];
3265 ($size % 24) == 0 or croak "inconsistent size: $size";
3266 if ($size == 0) {
3268 return undef;
3269 }
3270 my ($l, $u) = (0, $size - 24);
3272 my ($r, $c, $buf);
3273 while ($l <= $u) {
3275 my $i = int(($l/24 + $u/24) / 2) * 24;
3276 sysseek($fh, $i, SEEK_SET) or croak "seek: $!";
3277 sysread($fh, my $buf, 24) == 24 or croak "read: $!";
3278 my ($r, $c) = unpack('NH40', $buf);
3279 if ($r < $rev) {
3281 $l = $i + 24;
3282 } elsif ($r > $rev) {
3283 $u = $i - 24;
3284 } else { # $r == $rev
3285 return $c eq ('0' x 40) ? undef : $c;
3286 }
3287 }
3288 undef;
3289}
3290# Finds the first svn revision that exists on (if $eq_ok is true) or
3292# before $rev for the current branch. It will not search any lower
3293# than $min_rev. Returns the git commit hash and svn revision number
3294# if found, else (undef, undef).
3295sub find_rev_before {
3296 my ($self, $rev, $eq_ok, $min_rev) = @_;
3297 --$rev unless $eq_ok;
3298 $min_rev ||= 1;
3299 my $max_rev = $self->rev_map_max;
3300 $rev = $max_rev if ($rev > $max_rev);
3301 while ($rev >= $min_rev) {
3302 if (my $c = $self->rev_map_get($rev)) {
3303 return ($rev, $c);
3304 }
3305 --$rev;
3306 }
3307 return (undef, undef);
3308}
3309# Finds the first svn revision that exists on (if $eq_ok is true) or
3311# after $rev for the current branch. It will not search any higher
3312# than $max_rev. Returns the git commit hash and svn revision number
3313# if found, else (undef, undef).
3314sub find_rev_after {
3315 my ($self, $rev, $eq_ok, $max_rev) = @_;
3316 ++$rev unless $eq_ok;
3317 $max_rev ||= $self->rev_map_max;
3318 while ($rev <= $max_rev) {
3319 if (my $c = $self->rev_map_get($rev)) {
3320 return ($rev, $c);
3321 }
3322 ++$rev;
3323 }
3324 return (undef, undef);
3325}
3326sub _new {
3328 my ($class, $repo_id, $ref_id, $path) = @_;
3329 unless (defined $repo_id && length $repo_id) {
3330 $repo_id = $Git::SVN::default_repo_id;
3331 }
3332 unless (defined $ref_id && length $ref_id) {
3333 $_prefix = '' unless defined($_prefix);
3334 $_[2] = $ref_id = $_prefix . $Git::SVN::default_ref_id;
3335 }
3336 $_[1] = $repo_id;
3337 my $dir = "$ENV{GIT_DIR}/svn/$ref_id";
3338 $_[3] = $path = '' unless (defined $path);
3339 mkpath(["$ENV{GIT_DIR}/svn"]);
3340 bless {
3341 ref_id => $ref_id, dir => $dir, index => "$dir/index",
3342 path => $path, config => "$ENV{GIT_DIR}/svn/config",
3343 map_root => "$dir/.rev_map", repo_id => $repo_id }, $class;
3344}
3345# for read-only access of old .rev_db formats
3347sub unlink_rev_db_symlink {
3348 my ($self) = @_;
3349 my $link = $self->rev_db_path;
3350 $link =~ s/\.[\w-]+$// or croak "missing UUID at the end of $link";
3351 if (-l $link) {
3352 unlink $link or croak "unlink: $link failed!";
3353 }
3354}
3355sub rev_db_path {
3357 my ($self, $uuid) = @_;
3358 my $db_path = $self->map_path($uuid);
3359 $db_path =~ s{/\.rev_map\.}{/\.rev_db\.}
3360 or croak "map_path: $db_path does not contain '/.rev_map.' !";
3361 $db_path;
3362}
3363# the new replacement for .rev_db
3365sub map_path {
3366 my ($self, $uuid) = @_;
3367 $uuid ||= $self->ra_uuid;
3368 "$self->{map_root}.$uuid";
3369}
3370sub uri_encode {
3372 my ($f) = @_;
3373 $f =~ s#([^a-zA-Z0-9\*!\:_\./\-])#uc sprintf("%%%02x",ord($1))#eg;
3374 $f
3375}
3376sub remove_username {
3378 $_[0] =~ s{^([^:]*://)[^@]+@}{$1};
3379}
3380package Git::SVN::Prompt;
3382use strict;
3383use warnings;
3384require SVN::Core;
3385use vars qw/$_no_auth_cache $_username/;
3386sub simple {
3388 my ($cred, $realm, $default_username, $may_save, $pool) = @_;
3389 $may_save = undef if $_no_auth_cache;
3390 $default_username = $_username if defined $_username;
3391 if (defined $default_username && length $default_username) {
3392 if (defined $realm && length $realm) {
3393 print STDERR "Authentication realm: $realm\n";
3394 STDERR->flush;
3395 }
3396 $cred->username($default_username);
3397 } else {
3398 username($cred, $realm, $may_save, $pool);
3399 }
3400 $cred->password(_read_password("Password for '" .
3401 $cred->username . "': ", $realm));
3402 $cred->may_save($may_save);
3403 $SVN::_Core::SVN_NO_ERROR;
3404}
3405sub ssl_server_trust {
3407 my ($cred, $realm, $failures, $cert_info, $may_save, $pool) = @_;
3408 $may_save = undef if $_no_auth_cache;
3409 print STDERR "Error validating server certificate for '$realm':\n";
3410 {
3411 no warnings 'once';
3412 # All variables SVN::Auth::SSL::* are used only once,
3413 # so we're shutting up Perl warnings about this.
3414 if ($failures & $SVN::Auth::SSL::UNKNOWNCA) {
3415 print STDERR " - The certificate is not issued ",
3416 "by a trusted authority. Use the\n",
3417 " fingerprint to validate ",
3418 "the certificate manually!\n";
3419 }
3420 if ($failures & $SVN::Auth::SSL::CNMISMATCH) {
3421 print STDERR " - The certificate hostname ",
3422 "does not match.\n";
3423 }
3424 if ($failures & $SVN::Auth::SSL::NOTYETVALID) {
3425 print STDERR " - The certificate is not yet valid.\n";
3426 }
3427 if ($failures & $SVN::Auth::SSL::EXPIRED) {
3428 print STDERR " - The certificate has expired.\n";
3429 }
3430 if ($failures & $SVN::Auth::SSL::OTHER) {
3431 print STDERR " - The certificate has ",
3432 "an unknown error.\n";
3433 }
3434 } # no warnings 'once'
3435 printf STDERR
3436 "Certificate information:\n".
3437 " - Hostname: %s\n".
3438 " - Valid: from %s until %s\n".
3439 " - Issuer: %s\n".
3440 " - Fingerprint: %s\n",
3441 map $cert_info->$_, qw(hostname valid_from valid_until
3442 issuer_dname fingerprint);
3443 my $choice;
3444prompt:
3445 print STDERR $may_save ?
3446 "(R)eject, accept (t)emporarily or accept (p)ermanently? " :
3447 "(R)eject or accept (t)emporarily? ";
3448 STDERR->flush;
3449 $choice = lc(substr(<STDIN> || 'R', 0, 1));
3450 if ($choice =~ /^t$/i) {
3451 $cred->may_save(undef);
3452 } elsif ($choice =~ /^r$/i) {
3453 return -1;
3454 } elsif ($may_save && $choice =~ /^p$/i) {
3455 $cred->may_save($may_save);
3456 } else {
3457 goto prompt;
3458 }
3459 $cred->accepted_failures($failures);
3460 $SVN::_Core::SVN_NO_ERROR;
3461}
3462sub ssl_client_cert {
3464 my ($cred, $realm, $may_save, $pool) = @_;
3465 $may_save = undef if $_no_auth_cache;
3466 print STDERR "Client certificate filename: ";
3467 STDERR->flush;
3468 chomp(my $filename = <STDIN>);
3469 $cred->cert_file($filename);
3470 $cred->may_save($may_save);
3471 $SVN::_Core::SVN_NO_ERROR;
3472}
3473sub ssl_client_cert_pw {
3475 my ($cred, $realm, $may_save, $pool) = @_;
3476 $may_save = undef if $_no_auth_cache;
3477 $cred->password(_read_password("Password: ", $realm));
3478 $cred->may_save($may_save);
3479 $SVN::_Core::SVN_NO_ERROR;
3480}
3481sub username {
3483 my ($cred, $realm, $may_save, $pool) = @_;
3484 $may_save = undef if $_no_auth_cache;
3485 if (defined $realm && length $realm) {
3486 print STDERR "Authentication realm: $realm\n";
3487 }
3488 my $username;
3489 if (defined $_username) {
3490 $username = $_username;
3491 } else {
3492 print STDERR "Username: ";
3493 STDERR->flush;
3494 chomp($username = <STDIN>);
3495 }
3496 $cred->username($username);
3497 $cred->may_save($may_save);
3498 $SVN::_Core::SVN_NO_ERROR;
3499}
3500sub _read_password {
3502 my ($prompt, $realm) = @_;
3503 print STDERR $prompt;
3504 STDERR->flush;
3505 require Term::ReadKey;
3506 Term::ReadKey::ReadMode('noecho');
3507 my $password = '';
3508 while (defined(my $key = Term::ReadKey::ReadKey(0))) {
3509 last if $key =~ /[\012\015]/; # \n\r
3510 $password .= $key;
3511 }
3512 Term::ReadKey::ReadMode('restore');
3513 print STDERR "\n";
3514 STDERR->flush;
3515 $password;
3516}
3517package SVN::Git::Fetcher;
3519use vars qw/@ISA/;
3520use strict;
3521use warnings;
3522use Carp qw/croak/;
3523use File::Temp qw/tempfile/;
3524use IO::File qw//;
3525use vars qw/$_ignore_regex/;
3526# file baton members: path, mode_a, mode_b, pool, fh, blob, base
3528sub new {
3529 my ($class, $git_svn, $switch_path) = @_;
3530 my $self = SVN::Delta::Editor->new;
3531 bless $self, $class;
3532 if (exists $git_svn->{last_commit}) {
3533 $self->{c} = $git_svn->{last_commit};
3534 $self->{empty_symlinks} =
3535 _mark_empty_symlinks($git_svn, $switch_path);
3536 }
3537 $self->{ignore_regex} = eval { command_oneline('config', '--get',
3538 "svn-remote.$git_svn->{repo_id}.ignore-paths") };
3539 $self->{empty} = {};
3540 $self->{dir_prop} = {};
3541 $self->{file_prop} = {};
3542 $self->{absent_dir} = {};
3543 $self->{absent_file} = {};
3544 $self->{gii} = $git_svn->tmp_index_do(sub { Git::IndexInfo->new });
3545 $self;
3546}
3547# this uses the Ra object, so it must be called before do_{switch,update},
3549# not inside them (when the Git::SVN::Fetcher object is passed) to
3550# do_{switch,update}
3551sub _mark_empty_symlinks {
3552 my ($git_svn, $switch_path) = @_;
3553 my $bool = Git::config_bool('svn.brokenSymlinkWorkaround');
3554 return {} if (!defined($bool)) || (defined($bool) && ! $bool);
3555 my %ret;
3557 my ($rev, $cmt) = $git_svn->last_rev_commit;
3558 return {} unless ($rev && $cmt);
3559 # allow the warning to be printed for each revision we fetch to
3561 # ensure the user sees it. The user can also disable the workaround
3562 # on the repository even while git svn is running and the next
3563 # revision fetched will skip this expensive function.
3564 my $printed_warning;
3565 chomp(my $empty_blob = `git hash-object -t blob --stdin < /dev/null`);
3566 my ($ls, $ctx) = command_output_pipe(qw/ls-tree -r -z/, $cmt);
3567 local $/ = "\0";
3568 my $pfx = defined($switch_path) ? $switch_path : $git_svn->{path};
3569 $pfx .= '/' if length($pfx);
3570 while (<$ls>) {
3571 chomp;
3572 s/\A100644 blob $empty_blob\t//o or next;
3573 unless ($printed_warning) {
3574 print STDERR "Scanning for empty symlinks, ",
3575 "this may take a while if you have ",
3576 "many empty files\n",
3577 "You may disable this with `",
3578 "git config svn.brokenSymlinkWorkaround ",
3579 "false'.\n",
3580 "This may be done in a different ",
3581 "terminal without restarting ",
3582 "git svn\n";
3583 $printed_warning = 1;
3584 }
3585 my $path = $_;
3586 my (undef, $props) =
3587 $git_svn->ra->get_file($pfx.$path, $rev, undef);
3588 if ($props->{'svn:special'}) {
3589 $ret{$path} = 1;
3590 }
3591 }
3592 command_close_pipe($ls, $ctx);
3593 \%ret;
3594}
3595# returns true if a given path is inside a ".git" directory
3597sub in_dot_git {
3598 $_[0] =~ m{(?:^|/)\.git(?:/|$)};
3599}
3600# return value: 0 -- don't ignore, 1 -- ignore
3602sub is_path_ignored {
3603 my ($self, $path) = @_;
3604 return 1 if in_dot_git($path);
3605 return 1 if defined($self->{ignore_regex}) &&
3606 $path =~ m!$self->{ignore_regex}!;
3607 return 0 unless defined($_ignore_regex);
3608 return 1 if $path =~ m!$_ignore_regex!o;
3609 return 0;
3610}
3611sub set_path_strip {
3613 my ($self, $path) = @_;
3614 $self->{path_strip} = qr/^\Q$path\E(\/|$)/ if length $path;
3615}
3616sub open_root {
3618 { path => '' };
3619}
3620sub open_directory {
3622 my ($self, $path, $pb, $rev) = @_;
3623 { path => $path };
3624}
3625sub git_path {
3627 my ($self, $path) = @_;
3628 if ($self->{path_strip}) {
3629 $path =~ s!$self->{path_strip}!! or
3630 die "Failed to strip path '$path' ($self->{path_strip})\n";
3631 }
3632 $path;
3633}
3634sub delete_entry {
3636 my ($self, $path, $rev, $pb) = @_;
3637 return undef if $self->is_path_ignored($path);
3638 my $gpath = $self->git_path($path);
3640 return undef if ($gpath eq '');
3641 # remove entire directories.
3643 my ($tree) = (command('ls-tree', '-z', $self->{c}, "./$gpath")
3644 =~ /\A040000 tree ([a-f\d]{40})\t\Q$gpath\E\0/);
3645 if ($tree) {
3646 my ($ls, $ctx) = command_output_pipe(qw/ls-tree
3647 -r --name-only -z/,
3648 $tree);
3649 local $/ = "\0";
3650 while (<$ls>) {
3651 chomp;
3652 my $rmpath = "$gpath/$_";
3653 $self->{gii}->remove($rmpath);
3654 print "\tD\t$rmpath\n" unless $::_q;
3655 }
3656 print "\tD\t$gpath/\n" unless $::_q;
3657 command_close_pipe($ls, $ctx);
3658 $self->{empty}->{$path} = 0
3659 } else {
3660 $self->{gii}->remove($gpath);
3661 print "\tD\t$gpath\n" unless $::_q;
3662 }
3663 undef;
3664}
3665sub open_file {
3667 my ($self, $path, $pb, $rev) = @_;
3668 my ($mode, $blob);
3669 goto out if $self->is_path_ignored($path);
3671 my $gpath = $self->git_path($path);
3673 ($mode, $blob) = (command('ls-tree', '-z', $self->{c}, "./$gpath")
3674 =~ /\A(\d{6}) blob ([a-f\d]{40})\t\Q$gpath\E\0/);
3675 unless (defined $mode && defined $blob) {
3676 die "$path was not found in commit $self->{c} (r$rev)\n";
3677 }
3678 if ($mode eq '100644' && $self->{empty_symlinks}->{$path}) {
3679 $mode = '120000';
3680 }
3681out:
3682 { path => $path, mode_a => $mode, mode_b => $mode, blob => $blob,
3683 pool => SVN::Pool->new, action => 'M' };
3684}
3685sub add_file {
3687 my ($self, $path, $pb, $cp_path, $cp_rev) = @_;
3688 my $mode;
3689 if (!$self->is_path_ignored($path)) {
3691 my ($dir, $file) = ($path =~ m#^(.*?)/?([^/]+)$#);
3692 delete $self->{empty}->{$dir};
3693 $mode = '100644';
3694 }
3695 { path => $path, mode_a => $mode, mode_b => $mode,
3696 pool => SVN::Pool->new, action => 'A' };
3697}
3698sub add_directory {
3700 my ($self, $path, $cp_path, $cp_rev) = @_;
3701 goto out if $self->is_path_ignored($path);
3702 my $gpath = $self->git_path($path);
3703 if ($gpath eq '') {
3704 my ($ls, $ctx) = command_output_pipe(qw/ls-tree
3705 -r --name-only -z/,
3706 $self->{c});
3707 local $/ = "\0";
3708 while (<$ls>) {
3709 chomp;
3710 $self->{gii}->remove($_);
3711 print "\tD\t$_\n" unless $::_q;
3712 }
3713 command_close_pipe($ls, $ctx);
3714 $self->{empty}->{$path} = 0;
3715 }
3716 my ($dir, $file) = ($path =~ m#^(.*?)/?([^/]+)$#);
3717 delete $self->{empty}->{$dir};
3718 $self->{empty}->{$path} = 1;
3719out:
3720 { path => $path };
3721}
3722sub change_dir_prop {
3724 my ($self, $db, $prop, $value) = @_;
3725 return undef if $self->is_path_ignored($db->{path});
3726 $self->{dir_prop}->{$db->{path}} ||= {};
3727 $self->{dir_prop}->{$db->{path}}->{$prop} = $value;
3728 undef;
3729}
3730sub absent_directory {
3732 my ($self, $path, $pb) = @_;
3733 return undef if $self->is_path_ignored($path);
3734 $self->{absent_dir}->{$pb->{path}} ||= [];
3735 push @{$self->{absent_dir}->{$pb->{path}}}, $path;
3736 undef;
3737}
3738sub absent_file {
3740 my ($self, $path, $pb) = @_;
3741 return undef if $self->is_path_ignored($path);
3742 $self->{absent_file}->{$pb->{path}} ||= [];
3743 push @{$self->{absent_file}->{$pb->{path}}}, $path;
3744 undef;
3745}
3746sub change_file_prop {
3748 my ($self, $fb, $prop, $value) = @_;
3749 return undef if $self->is_path_ignored($fb->{path});
3750 if ($prop eq 'svn:executable') {
3751 if ($fb->{mode_b} != 120000) {
3752 $fb->{mode_b} = defined $value ? 100755 : 100644;
3753 }
3754 } elsif ($prop eq 'svn:special') {
3755 $fb->{mode_b} = defined $value ? 120000 : 100644;
3756 } else {
3757 $self->{file_prop}->{$fb->{path}} ||= {};
3758 $self->{file_prop}->{$fb->{path}}->{$prop} = $value;
3759 }
3760 undef;
3761}
3762sub apply_textdelta {
3764 my ($self, $fb, $exp) = @_;
3765 return undef if $self->is_path_ignored($fb->{path});
3766 my $fh = $::_repository->temp_acquire('svn_delta');
3767 # $fh gets auto-closed() by SVN::TxDelta::apply(),
3768 # (but $base does not,) so dup() it for reading in close_file
3769 open my $dup, '<&', $fh or croak $!;
3770 my $base = $::_repository->temp_acquire('git_blob');
3771 if ($fb->{blob}) {
3773 my ($base_is_link, $size);
3774 if ($fb->{mode_a} eq '120000' &&
3776 ! $self->{empty_symlinks}->{$fb->{path}}) {
3777 print $base 'link ' or die "print $!\n";
3778 $base_is_link = 1;
3779 }
3780 retry:
3781 $size = $::_repository->cat_blob($fb->{blob}, $base);
3782 die "Failed to read object $fb->{blob}" if ($size < 0);
3783 if (defined $exp) {
3785 seek $base, 0, 0 or croak $!;
3786 my $got = ::md5sum($base);
3787 if ($got ne $exp) {
3788 my $err = "Checksum mismatch: ".
3789 "$fb->{path} $fb->{blob}\n" .
3790 "expected: $exp\n" .
3791 " got: $got\n";
3792 if ($base_is_link) {
3793 warn $err,
3794 "Retrying... (possibly ",
3795 "a bad symlink from SVN)\n";
3796 $::_repository->temp_reset($base);
3797 $base_is_link = 0;
3798 goto retry;
3799 }
3800 die $err;
3801 }
3802 }
3803 }
3804 seek $base, 0, 0 or croak $!;
3805 $fb->{fh} = $fh;
3806 $fb->{base} = $base;
3807 [ SVN::TxDelta::apply($base, $dup, undef, $fb->{path}, $fb->{pool}) ];
3808}
3809sub close_file {
3811 my ($self, $fb, $exp) = @_;
3812 return undef if $self->is_path_ignored($fb->{path});
3813 my $hash;
3815 my $path = $self->git_path($fb->{path});
3816 if (my $fh = $fb->{fh}) {
3817 if (defined $exp) {
3818 seek($fh, 0, 0) or croak $!;
3819 my $got = ::md5sum($fh);
3820 if ($got ne $exp) {
3821 die "Checksum mismatch: $path\n",
3822 "expected: $exp\n got: $got\n";
3823 }
3824 }
3825 if ($fb->{mode_b} == 120000) {
3826 sysseek($fh, 0, 0) or croak $!;
3827 my $rd = sysread($fh, my $buf, 5);
3828 if (!defined $rd) {
3830 croak "sysread: $!\n";
3831 } elsif ($rd == 0) {
3832 warn "$path has mode 120000",
3833 " but it points to nothing\n",
3834 "converting to an empty file with mode",
3835 " 100644\n";
3836 $fb->{mode_b} = '100644';
3837 } elsif ($buf ne 'link ') {
3838 warn "$path has mode 120000",
3839 " but is not a link\n";
3840 } else {
3841 my $tmp_fh = $::_repository->temp_acquire(
3842 'svn_hash');
3843 my $res;
3844 while ($res = sysread($fh, my $str, 1024)) {
3845 my $out = syswrite($tmp_fh, $str, $res);
3846 defined($out) && $out == $res
3847 or croak("write ",
3848 Git::temp_path($tmp_fh),
3849 ": $!\n");
3850 }
3851 defined $res or croak $!;
3852 ($fh, $tmp_fh) = ($tmp_fh, $fh);
3854 Git::temp_release($tmp_fh, 1);
3855 }
3856 }
3857 $hash = $::_repository->hash_and_insert_object(
3859 Git::temp_path($fh));
3860 $hash =~ /^[a-f\d]{40}$/ or die "not a sha1: $hash\n";
3861 Git::temp_release($fb->{base}, 1);
3863 Git::temp_release($fh, 1);
3864 } else {
3865 $hash = $fb->{blob} or die "no blob information\n";
3866 }
3867 $fb->{pool}->clear;
3868 $self->{gii}->update($fb->{mode_b}, $hash, $path) or croak $!;
3869 print "\t$fb->{action}\t$path\n" if $fb->{action} && ! $::_q;
3870 undef;
3871}
3872sub abort_edit {
3874 my $self = shift;
3875 $self->{nr} = $self->{gii}->{nr};
3876 delete $self->{gii};
3877 $self->SUPER::abort_edit(@_);
3878}
3879sub close_edit {
3881 my $self = shift;
3882 $self->{git_commit_ok} = 1;
3883 $self->{nr} = $self->{gii}->{nr};
3884 delete $self->{gii};
3885 $self->SUPER::close_edit(@_);
3886}
3887package SVN::Git::Editor;
3889use vars qw/@ISA $_rmdir $_cp_similarity $_find_copies_harder $_rename_limit/;
3890use strict;
3891use warnings;
3892use Carp qw/croak/;
3893use IO::File;
3894sub new {
3896 my ($class, $opts) = @_;
3897 foreach (qw/svn_path r ra tree_a tree_b log editor_cb/) {
3898 die "$_ required!\n" unless (defined $opts->{$_});
3899 }
3900 my $pool = SVN::Pool->new;
3902 my $mods = generate_diff($opts->{tree_a}, $opts->{tree_b});
3903 my $types = check_diff_paths($opts->{ra}, $opts->{svn_path},
3904 $opts->{r}, $mods);
3905 # $opts->{ra} functions should not be used after this:
3907 my @ce = $opts->{ra}->get_commit_editor($opts->{log},
3908 $opts->{editor_cb}, $pool);
3909 my $self = SVN::Delta::Editor->new(@ce, $pool);
3910 bless $self, $class;
3911 foreach (qw/svn_path r tree_a tree_b/) {
3912 $self->{$_} = $opts->{$_};
3913 }
3914 $self->{url} = $opts->{ra}->{url};
3915 $self->{mods} = $mods;
3916 $self->{types} = $types;
3917 $self->{pool} = $pool;
3918 $self->{bat} = { '' => $self->open_root($self->{r}, $self->{pool}) };
3919 $self->{rm} = { };
3920 $self->{path_prefix} = length $self->{svn_path} ?
3921 "$self->{svn_path}/" : '';
3922 $self->{config} = $opts->{config};
3923 return $self;
3924}
3925sub generate_diff {
3927 my ($tree_a, $tree_b) = @_;
3928 my @diff_tree = qw(diff-tree -z -r);
3929 if ($_cp_similarity) {
3930 push @diff_tree, "-C$_cp_similarity";
3931 } else {
3932 push @diff_tree, '-C';
3933 }
3934 push @diff_tree, '--find-copies-harder' if $_find_copies_harder;
3935 push @diff_tree, "-l$_rename_limit" if defined $_rename_limit;
3936 push @diff_tree, $tree_a, $tree_b;
3937 my ($diff_fh, $ctx) = command_output_pipe(@diff_tree);
3938 local $/ = "\0";
3939 my $state = 'meta';
3940 my @mods;
3941 while (<$diff_fh>) {
3942 chomp $_; # this gets rid of the trailing "\0"
3943 if ($state eq 'meta' && /^:(\d{6})\s(\d{6})\s
3944 ($::sha1)\s($::sha1)\s
3945 ([MTCRAD])\d*$/xo) {
3946 push @mods, { mode_a => $1, mode_b => $2,
3947 sha1_a => $3, sha1_b => $4,
3948 chg => $5 };
3949 if ($5 =~ /^(?:C|R)$/) {
3950 $state = 'file_a';
3951 } else {
3952 $state = 'file_b';
3953 }
3954 } elsif ($state eq 'file_a') {
3955 my $x = $mods[$#mods] or croak "Empty array\n";
3956 if ($x->{chg} !~ /^(?:C|R)$/) {
3957 croak "Error parsing $_, $x->{chg}\n";
3958 }
3959 $x->{file_a} = $_;
3960 $state = 'file_b';
3961 } elsif ($state eq 'file_b') {
3962 my $x = $mods[$#mods] or croak "Empty array\n";
3963 if (exists $x->{file_a} && $x->{chg} !~ /^(?:C|R)$/) {
3964 croak "Error parsing $_, $x->{chg}\n";
3965 }
3966 if (!exists $x->{file_a} && $x->{chg} =~ /^(?:C|R)$/) {
3967 croak "Error parsing $_, $x->{chg}\n";
3968 }
3969 $x->{file_b} = $_;
3970 $state = 'meta';
3971 } else {
3972 croak "Error parsing $_\n";
3973 }
3974 }
3975 command_close_pipe($diff_fh, $ctx);
3976 \@mods;
3977}
3978sub check_diff_paths {
3980 my ($ra, $pfx, $rev, $mods) = @_;
3981 my %types;
3982 $pfx .= '/' if length $pfx;
3983 sub type_diff_paths {
3985 my ($ra, $types, $path, $rev) = @_;
3986 my @p = split m#/+#, $path;
3987 my $c = shift @p;
3988 unless (defined $types->{$c}) {
3989 $types->{$c} = $ra->check_path($c, $rev);
3990 }
3991 while (@p) {
3992 $c .= '/' . shift @p;
3993 next if defined $types->{$c};
3994 $types->{$c} = $ra->check_path($c, $rev);
3995 }
3996 }
3997 foreach my $m (@$mods) {
3999 foreach my $f (qw/file_a file_b/) {
4000 next unless defined $m->{$f};
4001 my ($dir) = ($m->{$f} =~ m#^(.*?)/?(?:[^/]+)$#);
4002 if (length $pfx.$dir && ! defined $types{$dir}) {
4003 type_diff_paths($ra, \%types, $pfx.$dir, $rev);
4004 }
4005 }
4006 }
4007 \%types;
4008}
4009sub split_path {
4011 return ($_[0] =~ m#^(.*?)/?([^/]+)$#);
4012}
4013sub repo_path {
4015 my ($self, $path) = @_;
4016 $self->{path_prefix}.(defined $path ? $path : '');
4017}
4018sub url_path {
4020 my ($self, $path) = @_;
4021 if ($self->{url} =~ m#^https?://#) {
4022 $path =~ s!([^~a-zA-Z0-9_./-])!uc sprintf("%%%02x",ord($1))!eg;
4023 }
4024 $self->{url} . '/' . $self->repo_path($path);
4025}
4026sub rmdirs {
4028 my ($self) = @_;
4029 my $rm = $self->{rm};
4030 delete $rm->{''}; # we never delete the url we're tracking
4031 return unless %$rm;
4032 foreach (keys %$rm) {
4034 my @d = split m#/#, $_;
4035 my $c = shift @d;
4036 $rm->{$c} = 1;
4037 while (@d) {
4038 $c .= '/' . shift @d;
4039 $rm->{$c} = 1;
4040 }
4041 }
4042 delete $rm->{$self->{svn_path}};
4043 delete $rm->{''}; # we never delete the url we're tracking
4044 return unless %$rm;
4045 my ($fh, $ctx) = command_output_pipe(qw/ls-tree --name-only -r -z/,
4047 $self->{tree_b});
4048 local $/ = "\0";
4049 while (<$fh>) {
4050 chomp;
4051 my @dn = split m#/#, $_;
4052 while (pop @dn) {
4053 delete $rm->{join '/', @dn};
4054 }
4055 unless (%$rm) {
4056 close $fh;
4057 return;
4058 }
4059 }
4060 command_close_pipe($fh, $ctx);
4061 my ($r, $p, $bat) = ($self->{r}, $self->{pool}, $self->{bat});
4063 foreach my $d (sort { $b =~ tr#/#/# <=> $a =~ tr#/#/# } keys %$rm) {
4064 $self->close_directory($bat->{$d}, $p);
4065 my ($dn) = ($d =~ m#^(.*?)/?(?:[^/]+)$#);
4066 print "\tD+\t$d/\n" unless $::_q;
4067 $self->SUPER::delete_entry($d, $r, $bat->{$dn}, $p);
4068 delete $bat->{$d};
4069 }
4070}
4071sub open_or_add_dir {
4073 my ($self, $full_path, $baton) = @_;
4074 my $t = $self->{types}->{$full_path};
4075 if (!defined $t) {
4076 die "$full_path not known in r$self->{r} or we have a bug!\n";
4077 }
4078 {
4079 no warnings 'once';
4080 # SVN::Node::none and SVN::Node::file are used only once,
4081 # so we're shutting up Perl's warnings about them.
4082 if ($t == $SVN::Node::none) {
4083 return $self->add_directory($full_path, $baton,
4084 undef, -1, $self->{pool});
4085 } elsif ($t == $SVN::Node::dir) {
4086 return $self->open_directory($full_path, $baton,
4087 $self->{r}, $self->{pool});
4088 } # no warnings 'once'
4089 print STDERR "$full_path already exists in repository at ",
4090 "r$self->{r} and it is not a directory (",
4091 ($t == $SVN::Node::file ? 'file' : 'unknown'),"/$t)\n";
4092 } # no warnings 'once'
4093 exit 1;
4094}
4095sub ensure_path {
4097 my ($self, $path) = @_;
4098 my $bat = $self->{bat};
4099 my $repo_path = $self->repo_path($path);
4100 return $bat->{''} unless (length $repo_path);
4101 my @p = split m#/+#, $repo_path;
4102 my $c = shift @p;
4103 $bat->{$c} ||= $self->open_or_add_dir($c, $bat->{''});
4104 while (@p) {
4105 my $c0 = $c;
4106 $c .= '/' . shift @p;
4107 $bat->{$c} ||= $self->open_or_add_dir($c, $bat->{$c0});
4108 }
4109 return $bat->{$c};
4110}
4111# Subroutine to convert a globbing pattern to a regular expression.
4113# From perl cookbook.
4114sub glob2pat {
4115 my $globstr = shift;
4116 my %patmap = ('*' => '.*', '?' => '.', '[' => '[', ']' => ']');
4117 $globstr =~ s{(.)} { $patmap{$1} || "\Q$1" }ge;
4118 return '^' . $globstr . '$';
4119}
4120sub check_autoprop {
4122 my ($self, $pattern, $properties, $file, $fbat) = @_;
4123 # Convert the globbing pattern to a regular expression.
4124 my $regex = glob2pat($pattern);
4125 # Check if the pattern matches the file name.
4126 if($file =~ m/($regex)/) {
4127 # Parse the list of properties to set.
4128 my @props = split(/;/, $properties);
4129 foreach my $prop (@props) {
4130 # Parse 'name=value' syntax and set the property.
4131 if ($prop =~ /([^=]+)=(.*)/) {
4132 my ($n,$v) = ($1,$2);
4133 for ($n, $v) {
4134 s/^\s+//; s/\s+$//;
4135 }
4136 $self->change_file_prop($fbat, $n, $v);
4137 }
4138 }
4139 }
4140}
4141sub apply_autoprops {
4143 my ($self, $file, $fbat) = @_;
4144 my $conf_t = ${$self->{config}}{'config'};
4145 no warnings 'once';
4146 # Check [miscellany]/enable-auto-props in svn configuration.
4147 if (SVN::_Core::svn_config_get_bool(
4148 $conf_t,
4149 $SVN::_Core::SVN_CONFIG_SECTION_MISCELLANY,
4150 $SVN::_Core::SVN_CONFIG_OPTION_ENABLE_AUTO_PROPS,
4151 0)) {
4152 # Auto-props are enabled. Enumerate them to look for matches.
4153 my $callback = sub {
4154 $self->check_autoprop($_[0], $_[1], $file, $fbat);
4155 };
4156 SVN::_Core::svn_config_enumerate(
4157 $conf_t,
4158 $SVN::_Core::SVN_CONFIG_SECTION_AUTO_PROPS,
4159 $callback);
4160 }
4161}
4162sub A {
4164 my ($self, $m) = @_;
4165 my ($dir, $file) = split_path($m->{file_b});
4166 my $pbat = $self->ensure_path($dir);
4167 my $fbat = $self->add_file($self->repo_path($m->{file_b}), $pbat,
4168 undef, -1);
4169 print "\tA\t$m->{file_b}\n" unless $::_q;
4170 $self->apply_autoprops($file, $fbat);
4171 $self->chg_file($fbat, $m);
4172 $self->close_file($fbat,undef,$self->{pool});
4173}
4174sub C {
4176 my ($self, $m) = @_;
4177 my ($dir, $file) = split_path($m->{file_b});
4178 my $pbat = $self->ensure_path($dir);
4179 my $fbat = $self->add_file($self->repo_path($m->{file_b}), $pbat,
4180 $self->url_path($m->{file_a}), $self->{r});
4181 print "\tC\t$m->{file_a} => $m->{file_b}\n" unless $::_q;
4182 $self->chg_file($fbat, $m);
4183 $self->close_file($fbat,undef,$self->{pool});
4184}
4185sub delete_entry {
4187 my ($self, $path, $pbat) = @_;
4188 my $rpath = $self->repo_path($path);
4189 my ($dir, $file) = split_path($rpath);
4190 $self->{rm}->{$dir} = 1;
4191 $self->SUPER::delete_entry($rpath, $self->{r}, $pbat, $self->{pool});
4192}
4193sub R {
4195 my ($self, $m) = @_;
4196 my ($dir, $file) = split_path($m->{file_b});
4197 my $pbat = $self->ensure_path($dir);
4198 my $fbat = $self->add_file($self->repo_path($m->{file_b}), $pbat,
4199 $self->url_path($m->{file_a}), $self->{r});
4200 print "\tR\t$m->{file_a} => $m->{file_b}\n" unless $::_q;
4201 $self->apply_autoprops($file, $fbat);
4202 $self->chg_file($fbat, $m);
4203 $self->close_file($fbat,undef,$self->{pool});
4204 ($dir, $file) = split_path($m->{file_a});
4206 $pbat = $self->ensure_path($dir);
4207 $self->delete_entry($m->{file_a}, $pbat);
4208}
4209sub M {
4211 my ($self, $m) = @_;
4212 my ($dir, $file) = split_path($m->{file_b});
4213 my $pbat = $self->ensure_path($dir);
4214 my $fbat = $self->open_file($self->repo_path($m->{file_b}),
4215 $pbat,$self->{r},$self->{pool});
4216 print "\t$m->{chg}\t$m->{file_b}\n" unless $::_q;
4217 $self->chg_file($fbat, $m);
4218 $self->close_file($fbat,undef,$self->{pool});
4219}
4220sub T { shift->M(@_) }
4222sub change_file_prop {
4224 my ($self, $fbat, $pname, $pval) = @_;
4225 $self->SUPER::change_file_prop($fbat, $pname, $pval, $self->{pool});
4226}
4227sub _chg_file_get_blob ($$$$) {
4229 my ($self, $fbat, $m, $which) = @_;
4230 my $fh = $::_repository->temp_acquire("git_blob_$which");
4231 if ($m->{"mode_$which"} =~ /^120/) {
4232 print $fh 'link ' or croak $!;
4233 $self->change_file_prop($fbat,'svn:special','*');
4234 } elsif ($m->{mode_a} =~ /^120/ && $m->{"mode_$which"} !~ /^120/) {
4235 $self->change_file_prop($fbat,'svn:special',undef);
4236 }
4237 my $blob = $m->{"sha1_$which"};
4238 return ($fh,) if ($blob =~ /^0{40}$/);
4239 my $size = $::_repository->cat_blob($blob, $fh);
4240 croak "Failed to read object $blob" if ($size < 0);
4241 $fh->flush == 0 or croak $!;
4242 seek $fh, 0, 0 or croak $!;
4243 my $exp = ::md5sum($fh);
4245 seek $fh, 0, 0 or croak $!;
4246 return ($fh, $exp);
4247}
4248sub chg_file {
4250 my ($self, $fbat, $m) = @_;
4251 if ($m->{mode_b} =~ /755$/ && $m->{mode_a} !~ /755$/) {
4252 $self->change_file_prop($fbat,'svn:executable','*');
4253 } elsif ($m->{mode_b} !~ /755$/ && $m->{mode_a} =~ /755$/) {
4254 $self->change_file_prop($fbat,'svn:executable',undef);
4255 }
4256 my ($fh_a, $exp_a) = _chg_file_get_blob $self, $fbat, $m, 'a';
4257 my ($fh_b, $exp_b) = _chg_file_get_blob $self, $fbat, $m, 'b';
4258 my $pool = SVN::Pool->new;
4259 my $atd = $self->apply_textdelta($fbat, $exp_a, $pool);
4260 if (-s $fh_a) {
4261 my $txstream = SVN::TxDelta::new ($fh_a, $fh_b, $pool);
4262 my $res = SVN::TxDelta::send_txstream($txstream, @$atd, $pool);
4263 if (defined $res) {
4264 die "Unexpected result from send_txstream: $res\n",
4265 "(SVN::Core::VERSION: $SVN::Core::VERSION)\n";
4266 }
4267 } else {
4268 my $got = SVN::TxDelta::send_stream($fh_b, @$atd, $pool);
4269 die "Checksum mismatch\nexpected: $exp_b\ngot: $got\n"
4270 if ($got ne $exp_b);
4271 }
4272 Git::temp_release($fh_b, 1);
4273 Git::temp_release($fh_a, 1);
4274 $pool->clear;
4275}
4276sub D {
4278 my ($self, $m) = @_;
4279 my ($dir, $file) = split_path($m->{file_b});
4280 my $pbat = $self->ensure_path($dir);
4281 print "\tD\t$m->{file_b}\n" unless $::_q;
4282 $self->delete_entry($m->{file_b}, $pbat);
4283}
4284sub close_edit {
4286 my ($self) = @_;
4287 my ($p,$bat) = ($self->{pool}, $self->{bat});
4288 foreach (sort { $b =~ tr#/#/# <=> $a =~ tr#/#/# } keys %$bat) {
4289 next if $_ eq '';
4290 $self->close_directory($bat->{$_}, $p);
4291 }
4292 $self->close_directory($bat->{''}, $p);
4293 $self->SUPER::close_edit($p);
4294 $p->clear;
4295}
4296sub abort_edit {
4298 my ($self) = @_;
4299 $self->SUPER::abort_edit($self->{pool});
4300}
4301sub DESTROY {
4303 my $self = shift;
4304 $self->SUPER::DESTROY(@_);
4305 $self->{pool}->clear;
4306}
4307# this drives the editor
4309sub apply_diff {
4310 my ($self) = @_;
4311 my $mods = $self->{mods};
4312 my %o = ( D => 1, R => 0, C => -1, A => 3, M => 3, T => 3 );
4313 foreach my $m (sort { $o{$a->{chg}} <=> $o{$b->{chg}} } @$mods) {
4314 my $f = $m->{chg};
4315 if (defined $o{$f}) {
4316 $self->$f($m);
4317 } else {
4318 fatal("Invalid change type: $f");
4319 }
4320 }
4321 $self->rmdirs if $_rmdir;
4322 if (@$mods == 0) {
4323 $self->abort_edit;
4324 } else {
4325 $self->close_edit;
4326 }
4327 return scalar @$mods;
4328}
4329package Git::SVN::Ra;
4331use vars qw/@ISA $config_dir $_log_window_size/;
4332use strict;
4333use warnings;
4334my ($ra_invalid, $can_do_switch, %ignored_err, $RA);
4335BEGIN {
4337 # enforce temporary pool usage for some simple functions
4338 no strict 'refs';
4339 for my $f (qw/rev_proplist get_latest_revnum get_uuid get_repos_root
4340 get_file/) {
4341 my $SUPER = "SUPER::$f";
4342 *$f = sub {
4343 my $self = shift;
4344 my $pool = SVN::Pool->new;
4345 my @ret = $self->$SUPER(@_,$pool);
4346 $pool->clear;
4347 wantarray ? @ret : $ret[0];
4348 };
4349 }
4350}
4351sub _auth_providers () {
4353 [
4354 SVN::Client::get_simple_provider(),
4355 SVN::Client::get_ssl_server_trust_file_provider(),
4356 SVN::Client::get_simple_prompt_provider(
4357 \&Git::SVN::Prompt::simple, 2),
4358 SVN::Client::get_ssl_client_cert_file_provider(),
4359 SVN::Client::get_ssl_client_cert_prompt_provider(
4360 \&Git::SVN::Prompt::ssl_client_cert, 2),
4361 SVN::Client::get_ssl_client_cert_pw_file_provider(),
4362 SVN::Client::get_ssl_client_cert_pw_prompt_provider(
4363 \&Git::SVN::Prompt::ssl_client_cert_pw, 2),
4364 SVN::Client::get_username_provider(),
4365 SVN::Client::get_ssl_server_trust_prompt_provider(
4366 \&Git::SVN::Prompt::ssl_server_trust),
4367 SVN::Client::get_username_prompt_provider(
4368 \&Git::SVN::Prompt::username, 2)
4369 ]
4370}
4371sub escape_uri_only {
4373 my ($uri) = @_;
4374 my @tmp;
4375 foreach (split m{/}, $uri) {
4376 s/([^~\w.%+-]|%(?![a-fA-F0-9]{2}))/sprintf("%%%02X",ord($1))/eg;
4377 push @tmp, $_;
4378 }
4379 join('/', @tmp);
4380}
4381sub escape_url {
4383 my ($url) = @_;
4384 if ($url =~ m#^(https?)://([^/]+)(.*)$#) {
4385 my ($scheme, $domain, $uri) = ($1, $2, escape_uri_only($3));
4386 $url = "$scheme://$domain$uri";
4387 }
4388 $url;
4389}
4390sub new {
4392 my ($class, $url) = @_;
4393 $url =~ s!/+$!!;
4394 return $RA if ($RA && $RA->{url} eq $url);
4395 SVN::_Core::svn_config_ensure($config_dir, undef);
4397 my ($baton, $callbacks) = SVN::Core::auth_open_helper(_auth_providers);
4398 my $config = SVN::Core::config_get_config($config_dir);
4399 $RA = undef;
4400 my $dont_store_passwords = 1;
4401 my $conf_t = ${$config}{'config'};
4402 {
4403 no warnings 'once';
4404 # The usage of $SVN::_Core::SVN_CONFIG_* variables
4405 # produces warnings that variables are used only once.
4406 # I had not found the better way to shut them up, so
4407 # the warnings of type 'once' are disabled in this block.
4408 if (SVN::_Core::svn_config_get_bool($conf_t,
4409 $SVN::_Core::SVN_CONFIG_SECTION_AUTH,
4410 $SVN::_Core::SVN_CONFIG_OPTION_STORE_PASSWORDS,
4411 1) == 0) {
4412 SVN::_Core::svn_auth_set_parameter($baton,
4413 $SVN::_Core::SVN_AUTH_PARAM_DONT_STORE_PASSWORDS,
4414 bless (\$dont_store_passwords, "_p_void"));
4415 }
4416 if (SVN::_Core::svn_config_get_bool($conf_t,
4417 $SVN::_Core::SVN_CONFIG_SECTION_AUTH,
4418 $SVN::_Core::SVN_CONFIG_OPTION_STORE_AUTH_CREDS,
4419 1) == 0) {
4420 $Git::SVN::Prompt::_no_auth_cache = 1;
4421 }
4422 } # no warnings 'once'
4423 my $self = SVN::Ra->new(url => escape_url($url), auth => $baton,
4424 config => $config,
4425 pool => SVN::Pool->new,
4426 auth_provider_callbacks => $callbacks);
4427 $self->{url} = $url;
4428 $self->{svn_path} = $url;
4429 $self->{repos_root} = $self->get_repos_root;
4430 $self->{svn_path} =~ s#^\Q$self->{repos_root}\E(/|$)##;
4431 $self->{cache} = { check_path => { r => 0, data => {} },
4432 get_dir => { r => 0, data => {} } };
4433 $RA = bless $self, $class;
4434}
4435sub check_path {
4437 my ($self, $path, $r) = @_;
4438 my $cache = $self->{cache}->{check_path};
4439 if ($r == $cache->{r} && exists $cache->{data}->{$path}) {
4440 return $cache->{data}->{$path};
4441 }
4442 my $pool = SVN::Pool->new;
4443 my $t = $self->SUPER::check_path($path, $r, $pool);
4444 $pool->clear;
4445 if ($r != $cache->{r}) {
4446 %{$cache->{data}} = ();
4447 $cache->{r} = $r;
4448 }
4449 $cache->{data}->{$path} = $t;
4450}
4451sub get_dir {
4453 my ($self, $dir, $r) = @_;
4454 my $cache = $self->{cache}->{get_dir};
4455 if ($r == $cache->{r}) {
4456 if (my $x = $cache->{data}->{$dir}) {
4457 return wantarray ? @$x : $x->[0];
4458 }
4459 }
4460 my $pool = SVN::Pool->new;
4461 my ($d, undef, $props) = $self->SUPER::get_dir($dir, $r, $pool);
4462 my %dirents = map { $_ => { kind => $d->{$_}->kind } } keys %$d;
4463 $pool->clear;
4464 if ($r != $cache->{r}) {
4465 %{$cache->{data}} = ();
4466 $cache->{r} = $r;
4467 }
4468 $cache->{data}->{$dir} = [ \%dirents, $r, $props ];
4469 wantarray ? (\%dirents, $r, $props) : \%dirents;
4470}
4471sub DESTROY {
4473 # do not call the real DESTROY since we store ourselves in $RA
4474}
4475# get_log(paths, start, end, limit,
4477# discover_changed_paths, strict_node_history, receiver)
4478sub get_log {
4479 my ($self, @args) = @_;
4480 my $pool = SVN::Pool->new;
4481 # svn_log_changed_path_t objects passed to get_log are likely to be
4483 # overwritten even if only the refs are copied to an external variable,
4484 # so we should dup the structures in their entirety. Using an
4485 # externally passed pool (instead of our temporary and quickly cleared
4486 # pool in Git::SVN::Ra) does not help matters at all...
4487 my $receiver = pop @args;
4488 my $prefix = "/".$self->{svn_path};
4489 $prefix =~ s#/+($)##;
4490 my $prefix_regex = qr#^\Q$prefix\E#;
4491 push(@args, sub {
4492 my ($paths) = $_[0];
4493 return &$receiver(@_) unless $paths;
4494 $_[0] = ();
4495 foreach my $p (keys %$paths) {
4496 my $i = $paths->{$p};
4497 # Make path relative to our url, not repos_root
4498 $p =~ s/$prefix_regex//;
4499 my %s = map { $_ => $i->$_; }
4500 qw/copyfrom_path copyfrom_rev action/;
4501 if ($s{'copyfrom_path'}) {
4502 $s{'copyfrom_path'} =~ s/$prefix_regex//;
4503 }
4504 $_[0]{$p} = \%s;
4505 }
4506 &$receiver(@_);
4507 });
4508 # the limit parameter was not supported in SVN 1.1.x, so we
4511 # drop it. Therefore, the receiver callback passed to it
4512 # is made aware of this limitation by being wrapped if
4513 # the limit passed to is being wrapped.
4514 if ($SVN::Core::VERSION le '1.2.0') {
4515 my $limit = splice(@args, 3, 1);
4516 if ($limit > 0) {
4517 my $receiver = pop @args;
4518 push(@args, sub { &$receiver(@_) if (--$limit >= 0) });
4519 }
4520 }
4521 my $ret = $self->SUPER::get_log(@args, $pool);
4522 $pool->clear;
4523 $ret;
4524}
4525sub trees_match {
4527 my ($self, $url1, $rev1, $url2, $rev2) = @_;
4528 my $ctx = SVN::Client->new(auth => _auth_providers);
4529 my $out = IO::File->new_tmpfile;
4530 # older SVN (1.1.x) doesn't take $pool as the last parameter for
4532 # $ctx->diff(), so we'll create a default one
4533 my $pool = SVN::Pool->new_default_sub;
4534 $ra_invalid = 1; # this will open a new SVN::Ra connection to $url1
4536 $ctx->diff([], $url1, $rev1, $url2, $rev2, 1, 1, 0, $out, $out);
4537 $out->flush;
4538 my $ret = (($out->stat)[7] == 0);
4539 close $out or croak $!;
4540 $ret;
4542}
4543sub get_commit_editor {
4545 my ($self, $log, $cb, $pool) = @_;
4546 my @lock = $SVN::Core::VERSION ge '1.2.0' ? (undef, 0) : ();
4547 $self->SUPER::get_commit_editor($log, $cb, @lock, $pool);
4548}
4549sub gs_do_update {
4551 my ($self, $rev_a, $rev_b, $gs, $editor) = @_;
4552 my $new = ($rev_a == $rev_b);
4553 my $path = $gs->{path};
4554 if ($new && -e $gs->{index}) {
4556 unlink $gs->{index} or die
4557 "Couldn't unlink index: $gs->{index}: $!\n";
4558 }
4559 my $pool = SVN::Pool->new;
4560 $editor->set_path_strip($path);
4561 my (@pc) = split m#/#, $path;
4562 my $reporter = $self->do_update($rev_b, (@pc ? shift @pc : ''),
4563 1, $editor, $pool);
4564 my @lock = $SVN::Core::VERSION ge '1.2.0' ? (undef) : ();
4565 # Since we can't rely on svn_ra_reparent being available, we'll
4567 # just have to do some magic with set_path to make it so
4568 # we only want a partial path.
4569 my $sp = '';
4570 my $final = join('/', @pc);
4571 while (@pc) {
4572 $reporter->set_path($sp, $rev_b, 0, @lock, $pool);
4573 $sp .= '/' if length $sp;
4574 $sp .= shift @pc;
4575 }
4576 die "BUG: '$sp' != '$final'\n" if ($sp ne $final);
4577 $reporter->set_path($sp, $rev_a, $new, @lock, $pool);
4579 $reporter->finish_report($pool);
4581 $pool->clear;
4582 $editor->{git_commit_ok};
4583}
4584# this requires SVN 1.4.3 or later (do_switch didn't work before 1.4.3, and
4586# svn_ra_reparent didn't work before 1.4)
4587sub gs_do_switch {
4588 my ($self, $rev_a, $rev_b, $gs, $url_b, $editor) = @_;
4589 my $path = $gs->{path};
4590 my $pool = SVN::Pool->new;
4591 my $full_url = $self->{url};
4593 my $old_url = $full_url;
4594 $full_url .= '/' . $path if length $path;
4595 my ($ra, $reparented);
4596 if ($old_url =~ m#^svn(\+ssh)?://# ||
4598 ($full_url =~ m#^https?://# &&
4599 escape_url($full_url) ne $full_url)) {
4600 $_[0] = undef;
4601 $self = undef;
4602 $RA = undef;
4603 $ra = Git::SVN::Ra->new($full_url);
4604 $ra_invalid = 1;
4605 } elsif ($old_url ne $full_url) {
4606 SVN::_Ra::svn_ra_reparent($self->{session}, $full_url, $pool);
4607 $self->{url} = $full_url;
4608 $reparented = 1;
4609 }
4610 $ra ||= $self;
4612 $url_b = escape_url($url_b);
4613 my $reporter = $ra->do_switch($rev_b, '', 1, $url_b, $editor, $pool);
4614 my @lock = $SVN::Core::VERSION ge '1.2.0' ? (undef) : ();
4615 $reporter->set_path('', $rev_a, 0, @lock, $pool);
4616 $reporter->finish_report($pool);
4617 if ($reparented) {
4619 SVN::_Ra::svn_ra_reparent($self->{session}, $old_url, $pool);
4620 $self->{url} = $old_url;
4621 }
4622 $pool->clear;
4624 $editor->{git_commit_ok};
4625}
4626sub longest_common_path {
4628 my ($gsv, $globs) = @_;
4629 my %common;
4630 my $common_max = scalar @$gsv;
4631 foreach my $gs (@$gsv) {
4633 my @tmp = split m#/#, $gs->{path};
4634 my $p = '';
4635 foreach (@tmp) {
4636 $p .= length($p) ? "/$_" : $_;
4637 $common{$p} ||= 0;
4638 $common{$p}++;
4639 }
4640 }
4641 $globs ||= [];
4642 $common_max += scalar @$globs;
4643 foreach my $glob (@$globs) {
4644 my @tmp = split m#/#, $glob->{path}->{left};
4645 my $p = '';
4646 foreach (@tmp) {
4647 $p .= length($p) ? "/$_" : $_;
4648 $common{$p} ||= 0;
4649 $common{$p}++;
4650 }
4651 }
4652 my $longest_path = '';
4654 foreach (sort {length $b <=> length $a} keys %common) {
4655 if ($common{$_} == $common_max) {
4656 $longest_path = $_;
4657 last;
4658 }
4659 }
4660 $longest_path;
4661}
4662sub gs_fetch_loop_common {
4664 my ($self, $base, $head, $gsv, $globs) = @_;
4665 return if ($base > $head);
4666 my $inc = $_log_window_size;
4667 my ($min, $max) = ($base, $head < $base + $inc ? $head : $base + $inc);
4668 my $longest_path = longest_common_path($gsv, $globs);
4669 my $ra_url = $self->{url};
4670 my $find_trailing_edge;
4671 while (1) {
4672 my %revs;
4673 my $err;
4674 my $err_handler = $SVN::Error::handler;
4675 $SVN::Error::handler = sub {
4676 ($err) = @_;
4677 skip_unknown_revs($err);
4678 };
4679 sub _cb {
4680 my ($paths, $r, $author, $date, $log) = @_;
4681 [ $paths,
4682 { author => $author, date => $date, log => $log } ];
4683 }
4684 $self->get_log([$longest_path], $min, $max, 0, 1, 1,
4685 sub { $revs{$_[1]} = _cb(@_) });
4686 if ($err) {
4687 print "Checked through r$max\r";
4688 } else {
4689 $find_trailing_edge = 1;
4690 }
4691 if ($err and $find_trailing_edge) {
4692 print STDERR "Path '$longest_path' ",
4693 "was probably deleted:\n",
4694 $err->expanded_message,
4695 "\nWill attempt to follow ",
4696 "revisions r$min .. r$max ",
4697 "committed before the deletion\n";
4698 my $hi = $max;
4699 while (--$hi >= $min) {
4700 my $ok;
4701 $self->get_log([$longest_path], $min, $hi,
4702 0, 1, 1, sub {
4703 $ok = $_[1];
4704 $revs{$_[1]} = _cb(@_) });
4705 if ($ok) {
4706 print STDERR "r$min .. r$ok OK\n";
4707 last;
4708 }
4709 }
4710 $find_trailing_edge = 0;
4711 }
4712 $SVN::Error::handler = $err_handler;
4713 my %exists = map { $_->{path} => $_ } @$gsv;
4715 foreach my $r (sort {$a <=> $b} keys %revs) {
4716 my ($paths, $logged) = @{$revs{$r}};
4717 foreach my $gs ($self->match_globs(\%exists, $paths,
4719 $globs, $r)) {
4720 if ($gs->rev_map_max >= $r) {
4721 next;
4722 }
4723 next unless $gs->match_paths($paths, $r);
4724 $gs->{logged_rev_props} = $logged;
4725 if (my $last_commit = $gs->last_commit) {
4726 $gs->assert_index_clean($last_commit);
4727 }
4728 my $log_entry = $gs->do_fetch($paths, $r);
4729 if ($log_entry) {
4730 $gs->do_git_commit($log_entry);
4731 }
4732 $INDEX_FILES{$gs->{index}} = 1;
4733 }
4734 foreach my $g (@$globs) {
4735 my $k = "svn-remote.$g->{remote}." .
4736 "$g->{t}-maxRev";
4737 Git::SVN::tmp_config($k, $r);
4738 }
4739 if ($ra_invalid) {
4740 $_[0] = undef;
4741 $self = undef;
4742 $RA = undef;
4743 $self = Git::SVN::Ra->new($ra_url);
4744 $ra_invalid = undef;
4745 }
4746 }
4747 # pre-fill the .rev_db since it'll eventually get filled in
4748 # with '0' x40 if something new gets committed
4749 foreach my $gs (@$gsv) {
4750 next if $gs->rev_map_max >= $max;
4751 next if defined $gs->rev_map_get($max);
4752 $gs->rev_map_set($max, 0 x40);
4753 }
4754 foreach my $g (@$globs) {
4755 my $k = "svn-remote.$g->{remote}.$g->{t}-maxRev";
4756 Git::SVN::tmp_config($k, $max);
4757 }
4758 last if $max >= $head;
4759 $min = $max + 1;
4760 $max += $inc;
4761 $max = $head if ($max > $head);
4762 }
4763 Git::SVN::gc();
4764}
4765sub get_dir_globbed {
4767 my ($self, $left, $depth, $r) = @_;
4768 my @x = eval { $self->get_dir($left, $r) };
4770 return unless scalar @x == 3;
4771 my $dirents = $x[0];
4772 my @finalents;
4773 foreach my $de (keys %$dirents) {
4774 next if $dirents->{$de}->{kind} != $SVN::Node::dir;
4775 if ($depth > 1) {
4776 my @args = ("$left/$de", $depth - 1, $r);
4777 foreach my $dir ($self->get_dir_globbed(@args)) {
4778 push @finalents, "$de/$dir";
4779 }
4780 } else {
4781 push @finalents, $de;
4782 }
4783 }
4784 @finalents;
4785}
4786sub match_globs {
4788 my ($self, $exists, $paths, $globs, $r) = @_;
4789 sub get_dir_check {
4791 my ($self, $exists, $g, $r) = @_;
4792 my @dirs = $self->get_dir_globbed($g->{path}->{left},
4794 $g->{path}->{depth},
4795 $r);
4796 foreach my $de (@dirs) {
4798 my $p = $g->{path}->full_path($de);
4799 next if $exists->{$p};
4800 next if (length $g->{path}->{right} &&
4801 ($self->check_path($p, $r) !=
4802 $SVN::Node::dir));
4803 $exists->{$p} = Git::SVN->init($self->{url}, $p, undef,
4804 $g->{ref}->full_path($de), 1);
4805 }
4806 }
4807 foreach my $g (@$globs) {
4808 if (my $path = $paths->{"/$g->{path}->{left}"}) {
4809 if ($path->{action} =~ /^[AR]$/) {
4810 get_dir_check($self, $exists, $g, $r);
4811 }
4812 }
4813 foreach (keys %$paths) {
4814 if (/$g->{path}->{left_regex}/ &&
4815 !/$g->{path}->{regex}/) {
4816 next if $paths->{$_}->{action} !~ /^[AR]$/;
4817 get_dir_check($self, $exists, $g, $r);
4818 }
4819 next unless /$g->{path}->{regex}/;
4820 my $p = $1;
4821 my $pathname = $g->{path}->full_path($p);
4822 next if $exists->{$pathname};
4823 next if ($self->check_path($pathname, $r) !=
4824 $SVN::Node::dir);
4825 $exists->{$pathname} = Git::SVN->init(
4826 $self->{url}, $pathname, undef,
4827 $g->{ref}->full_path($p), 1);
4828 }
4829 my $c = '';
4830 foreach (split m#/#, $g->{path}->{left}) {
4831 $c .= "/$_";
4832 next unless ($paths->{$c} &&
4833 ($paths->{$c}->{action} =~ /^[AR]$/));
4834 get_dir_check($self, $exists, $g, $r);
4835 }
4836 }
4837 values %$exists;
4838}
4839sub minimize_url {
4841 my ($self) = @_;
4842 return $self->{url} if ($self->{url} eq $self->{repos_root});
4843 my $url = $self->{repos_root};
4844 my @components = split(m!/!, $self->{svn_path});
4845 my $c = '';
4846 do {
4847 $url .= "/$c" if length $c;
4848 eval {
4849 my $ra = (ref $self)->new($url);
4850 my $latest = $ra->get_latest_revnum;
4851 $ra->get_log("", $latest, 0, 1, 0, 1, sub {});
4852 };
4853 } while ($@ && ($c = shift @components));
4854 $url;
4855}
4856sub can_do_switch {
4858 my $self = shift;
4859 unless (defined $can_do_switch) {
4860 my $pool = SVN::Pool->new;
4861 my $rep = eval {
4862 $self->do_switch(1, '', 0, $self->{url},
4863 SVN::Delta::Editor->new, $pool);
4864 };
4865 if ($@) {
4866 $can_do_switch = 0;
4867 } else {
4868 $rep->abort_report($pool);
4869 $can_do_switch = 1;
4870 }
4871 $pool->clear;
4872 }
4873 $can_do_switch;
4874}
4875sub skip_unknown_revs {
4877 my ($err) = @_;
4878 my $errno = $err->apr_err();
4879 # Maybe the branch we're tracking didn't
4880 # exist when the repo started, so it's
4881 # not an error if it doesn't, just continue
4882 #
4883 # Wonderfully consistent library, eh?
4884 # 160013 - svn:// and file://
4885 # 175002 - http(s)://
4886 # 175007 - http(s):// (this repo required authorization, too...)
4887 # More codes may be discovered later...
4888 if ($errno == 175007 || $errno == 175002 || $errno == 160013) {
4889 my $err_key = $err->expanded_message;
4890 # revision numbers change every time, filter them out
4891 $err_key =~ s/\d+/\0/g;
4892 $err_key = "$errno\0$err_key";
4893 unless ($ignored_err{$err_key}) {
4894 warn "W: Ignoring error from SVN, path probably ",
4895 "does not exist: ($errno): ",
4896 $err->expanded_message,"\n";
4897 warn "W: Do not be alarmed at the above message ",
4898 "git-svn is just searching aggressively for ",
4899 "old history.\n",
4900 "This may take a while on large repositories\n";
4901 $ignored_err{$err_key} = 1;
4902 }
4903 return;
4904 }
4905 die "Error from SVN, ($errno): ", $err->expanded_message,"\n";
4906}
4907package Git::SVN::Log;
4909use strict;
4910use warnings;
4911use POSIX qw/strftime/;
4912use Time::Local;
4913use constant commit_log_separator => ('-' x 72) . "\n";
4914use vars qw/$TZ $limit $color $pager $non_recursive $verbose $oneline
4915 %rusers $show_commit $incremental/;
4916my $l_fmt;
4917sub cmt_showable {
4919 my ($c) = @_;
4920 return 1 if defined $c->{r};
4921 # big commit message got truncated by the 16k pretty buffer in rev-list
4923 if ($c->{l} && $c->{l}->[-1] eq "...\n" &&
4924 $c->{a_raw} =~ /\@([a-f\d\-]+)>$/) {
4925 @{$c->{l}} = ();
4926 my @log = command(qw/cat-file commit/, $c->{c});
4927 # shift off the headers
4929 shift @log while ($log[0] ne '');
4930 shift @log;
4931 # TODO: make $c->{l} not have a trailing newline in the future
4933 @{$c->{l}} = map { "$_\n" } grep !/^git-svn-id: /, @log;
4934 (undef, $c->{r}, undef) = ::extract_metadata(
4936 (grep(/^git-svn-id: /, @log))[-1]);
4937 }
4938 return defined $c->{r};
4939}
4940sub log_use_color {
4942 return $color || Git->repository->get_colorbool('color.diff');
4943}
4944sub git_svn_log_cmd {
4946 my ($r_min, $r_max, @args) = @_;
4947 my $head = 'HEAD';
4948 my (@files, @log_opts);
4949 foreach my $x (@args) {
4950 if ($x eq '--' || @files) {
4951 push @files, $x;
4952 } else {
4953 if (::verify_ref("$x^0")) {
4954 $head = $x;
4955 } else {
4956 push @log_opts, $x;
4957 }
4958 }
4959 }
4960 my ($url, $rev, $uuid, $gs) = ::working_head_info($head);
4962 $gs ||= Git::SVN->_new;
4963 my @cmd = (qw/log --abbrev-commit --pretty=raw --default/,
4964 $gs->refname);
4965 push @cmd, '-r' unless $non_recursive;
4966 push @cmd, qw/--raw --name-status/ if $verbose;
4967 push @cmd, '--color' if log_use_color();
4968 push @cmd, @log_opts;
4969 if (defined $r_max && $r_max == $r_min) {
4970 push @cmd, '--max-count=1';
4971 if (my $c = $gs->rev_map_get($r_max)) {
4972 push @cmd, $c;
4973 }
4974 } elsif (defined $r_max) {
4975 if ($r_max < $r_min) {
4976 ($r_min, $r_max) = ($r_max, $r_min);
4977 }
4978 my (undef, $c_max) = $gs->find_rev_before($r_max, 1, $r_min);
4979 my (undef, $c_min) = $gs->find_rev_after($r_min, 1, $r_max);
4980 # If there are no commits in the range, both $c_max and $c_min
4981 # will be undefined. If there is at least 1 commit in the
4982 # range, both will be defined.
4983 return () if !defined $c_min || !defined $c_max;
4984 if ($c_min eq $c_max) {
4985 push @cmd, '--max-count=1', $c_min;
4986 } else {
4987 push @cmd, '--boundary', "$c_min..$c_max";
4988 }
4989 }
4990 return (@cmd, @files);
4991}
4992# adapted from pager.c
4994sub config_pager {
4995 $pager ||= $ENV{GIT_PAGER} || $ENV{PAGER};
4996 if (!defined $pager) {
4997 $pager = 'less';
4998 } elsif (length $pager == 0 || $pager eq 'cat') {
4999 $pager = undef;
5000 }
5001 $ENV{GIT_PAGER_IN_USE} = defined($pager);
5002}
5003sub run_pager {
5005 return unless -t *STDOUT && defined $pager;
5006 pipe my ($rfd, $wfd) or return;
5007 defined(my $pid = fork) or ::fatal "Can't fork: $!";
5008 if (!$pid) {
5009 open STDOUT, '>&', $wfd or
5010 ::fatal "Can't redirect to stdout: $!";
5011 return;
5012 }
5013 open STDIN, '<&', $rfd or ::fatal "Can't redirect stdin: $!";
5014 $ENV{LESS} ||= 'FRSX';
5015 exec $pager or ::fatal "Can't run pager: $! ($pager)";
5016}
5017sub format_svn_date {
5019 # some systmes don't handle or mishandle %z, so be creative.
5020 my $t = shift || time;
5021 my $gm = timelocal(gmtime($t));
5022 my $sign = qw( + + - )[ $t <=> $gm ];
5023 my $gmoff = sprintf("%s%02d%02d", $sign, (gmtime(abs($t - $gm)))[2,1]);
5024 return strftime("%Y-%m-%d %H:%M:%S $gmoff (%a, %d %b %Y)", localtime($t));
5025}
5026sub parse_git_date {
5028 my ($t, $tz) = @_;
5029 # Date::Parse isn't in the standard Perl distro :(
5030 if ($tz =~ s/^\+//) {
5031 $t += tz_to_s_offset($tz);
5032 } elsif ($tz =~ s/^\-//) {
5033 $t -= tz_to_s_offset($tz);
5034 }
5035 return $t;
5036}
5037sub set_local_timezone {
5039 if (defined $TZ) {
5040 $ENV{TZ} = $TZ;
5041 } else {
5042 delete $ENV{TZ};
5043 }
5044}
5045sub tz_to_s_offset {
5047 my ($tz) = @_;
5048 $tz =~ s/(\d\d)$//;
5049 return ($1 * 60) + ($tz * 3600);
5050}
5051sub get_author_info {
5053 my ($dest, $author, $t, $tz) = @_;
5054 $author =~ s/(?:^\s*|\s*$)//g;
5055 $dest->{a_raw} = $author;
5056 my $au;
5057 if ($::_authors) {
5058 $au = $rusers{$author} || undef;
5059 }
5060 if (!$au) {
5061 ($au) = ($author =~ /<([^>]+)\@[^>]+>$/);
5062 }
5063 $dest->{t} = $t;
5064 $dest->{tz} = $tz;
5065 $dest->{a} = $au;
5066 $dest->{t_utc} = parse_git_date($t, $tz);
5067}
5068sub process_commit {
5070 my ($c, $r_min, $r_max, $defer) = @_;
5071 if (defined $r_min && defined $r_max) {
5072 if ($r_min == $c->{r} && $r_min == $r_max) {
5073 show_commit($c);
5074 return 0;
5075 }
5076 return 1 if $r_min == $r_max;
5077 if ($r_min < $r_max) {
5078 # we need to reverse the print order
5079 return 0 if (defined $limit && --$limit < 0);
5080 push @$defer, $c;
5081 return 1;
5082 }
5083 if ($r_min != $r_max) {
5084 return 1 if ($r_min < $c->{r});
5085 return 1 if ($r_max > $c->{r});
5086 }
5087 }
5088 return 0 if (defined $limit && --$limit < 0);
5089 show_commit($c);
5090 return 1;
5091}
5092sub show_commit {
5094 my $c = shift;
5095 if ($oneline) {
5096 my $x = "\n";
5097 if (my $l = $c->{l}) {
5098 while ($l->[0] =~ /^\s*$/) { shift @$l }
5099 $x = $l->[0];
5100 }
5101 $l_fmt ||= 'A' . length($c->{r});
5102 print 'r',pack($l_fmt, $c->{r}),' | ';
5103 print "$c->{c} | " if $show_commit;
5104 print $x;
5105 } else {
5106 show_commit_normal($c);
5107 }
5108}
5109sub show_commit_changed_paths {
5111 my ($c) = @_;
5112 return unless $c->{changed};
5113 print "Changed paths:\n", @{$c->{changed}};
5114}
5115sub show_commit_normal {
5117 my ($c) = @_;
5118 print commit_log_separator, "r$c->{r} | ";
5119 print "$c->{c} | " if $show_commit;
5120 print "$c->{a} | ", format_svn_date($c->{t_utc}), ' | ';
5121 my $nr_line = 0;
5122 if (my $l = $c->{l}) {
5124 while ($l->[$#$l] eq "\n" && $#$l > 0
5125 && $l->[($#$l - 1)] eq "\n") {
5126 pop @$l;
5127 }
5128 $nr_line = scalar @$l;
5129 if (!$nr_line) {
5130 print "1 line\n\n\n";
5131 } else {
5132 if ($nr_line == 1) {
5133 $nr_line = '1 line';
5134 } else {
5135 $nr_line .= ' lines';
5136 }
5137 print $nr_line, "\n";
5138 show_commit_changed_paths($c);
5139 print "\n";
5140 print $_ foreach @$l;
5141 }
5142 } else {
5143 print "1 line\n";
5144 show_commit_changed_paths($c);
5145 print "\n";
5146 }
5148 foreach my $x (qw/raw stat diff/) {
5149 if ($c->{$x}) {
5150 print "\n";
5151 print $_ foreach @{$c->{$x}}
5152 }
5153 }
5154}
5155sub cmd_show_log {
5157 my (@args) = @_;
5158 my ($r_min, $r_max);
5159 my $r_last = -1; # prevent dupes
5160 set_local_timezone();
5161 if (defined $::_revision) {
5162 if ($::_revision =~ /^(\d+):(\d+)$/) {
5163 ($r_min, $r_max) = ($1, $2);
5164 } elsif ($::_revision =~ /^\d+$/) {
5165 $r_min = $r_max = $::_revision;
5166 } else {
5167 ::fatal "-r$::_revision is not supported, use ",
5168 "standard 'git log' arguments instead";
5169 }
5170 }
5171 config_pager();
5173 @args = git_svn_log_cmd($r_min, $r_max, @args);
5174 if (!@args) {
5175 print commit_log_separator unless $incremental || $oneline;
5176 return;
5177 }
5178 my $log = command_output_pipe(@args);
5179 run_pager();
5180 my (@k, $c, $d, $stat);
5181 my $esc_color = qr/(?:\033\[(?:(?:\d+;)*\d*)?m)*/;
5182 while (<$log>) {
5183 if (/^${esc_color}commit -?($::sha1_short)/o) {
5184 my $cmt = $1;
5185 if ($c && cmt_showable($c) && $c->{r} != $r_last) {
5186 $r_last = $c->{r};
5187 process_commit($c, $r_min, $r_max, \@k) or
5188 goto out;
5189 }
5190 $d = undef;
5191 $c = { c => $cmt };
5192 } elsif (/^${esc_color}author (.+) (\d+) ([\-\+]?\d+)$/o) {
5193 get_author_info($c, $1, $2, $3);
5194 } elsif (/^${esc_color}(?:tree|parent|committer) /o) {
5195 # ignore
5196 } elsif (/^${esc_color}:\d{6} \d{6} $::sha1_short/o) {
5197 push @{$c->{raw}}, $_;
5198 } elsif (/^${esc_color}[ACRMDT]\t/) {
5199 # we could add $SVN->{svn_path} here, but that requires
5200 # remote access at the moment (repo_path_split)...
5201 s#^(${esc_color})([ACRMDT])\t#$1 $2 #o;
5202 push @{$c->{changed}}, $_;
5203 } elsif (/^${esc_color}diff /o) {
5204 $d = 1;
5205 push @{$c->{diff}}, $_;
5206 } elsif ($d) {
5207 push @{$c->{diff}}, $_;
5208 } elsif (/^\ .+\ \|\s*\d+\ $esc_color[\+\-]*
5209 $esc_color*[\+\-]*$esc_color$/x) {
5210 $stat = 1;
5211 push @{$c->{stat}}, $_;
5212 } elsif ($stat && /^ \d+ files changed, \d+ insertions/) {
5213 push @{$c->{stat}}, $_;
5214 $stat = undef;
5215 } elsif (/^${esc_color} (git-svn-id:.+)$/o) {
5216 ($c->{url}, $c->{r}, undef) = ::extract_metadata($1);
5217 } elsif (s/^${esc_color} //o) {
5218 push @{$c->{l}}, $_;
5219 }
5220 }
5221 if ($c && defined $c->{r} && $c->{r} != $r_last) {
5222 $r_last = $c->{r};
5223 process_commit($c, $r_min, $r_max, \@k);
5224 }
5225 if (@k) {
5226 ($r_min, $r_max) = ($r_max, $r_min);
5227 process_commit($_, $r_min, $r_max) foreach reverse @k;
5228 }
5229out:
5230 close $log;
5231 print commit_log_separator unless $incremental || $oneline;
5232}
5233sub cmd_blame {
5235 my $path = pop;
5236 config_pager();
5238 run_pager();
5239 my ($fh, $ctx, $rev);
5241 if ($_git_format) {
5243 ($fh, $ctx) = command_output_pipe('blame', @_, $path);
5244 while (my $line = <$fh>) {
5245 if ($line =~ /^\^?([[:xdigit:]]+)\s/) {
5246 # Uncommitted edits show up as a rev ID of
5247 # all zeros, which we can't look up with
5248 # cmt_metadata
5249 if ($1 !~ /^0+$/) {
5250 (undef, $rev, undef) =
5251 ::cmt_metadata($1);
5252 $rev = '0' if (!$rev);
5253 } else {
5254 $rev = '0';
5255 }
5256 $rev = sprintf('%-10s', $rev);
5257 $line =~ s/^\^?[[:xdigit:]]+(\s)/$rev$1/;
5258 }
5259 print $line;
5260 }
5261 } else {
5262 ($fh, $ctx) = command_output_pipe('blame', '-p', @_, 'HEAD',
5263 '--', $path);
5264 my ($sha1);
5265 my %authors;
5266 my @buffer;
5267 my %dsha; #distinct sha keys
5268 while (my $line = <$fh>) {
5270 push @buffer, $line;
5271 if ($line =~ /^([[:xdigit:]]{40})\s\d+\s\d+/) {
5272 $dsha{$1} = 1;
5273 }
5274 }
5275 my $s2r = ::cmt_sha2rev_batch([keys %dsha]);
5277 foreach my $line (@buffer) {
5279 if ($line =~ /^([[:xdigit:]]{40})\s\d+\s\d+/) {
5280 $rev = $s2r->{$1};
5281 $rev = '0' if (!$rev)
5282 }
5283 elsif ($line =~ /^author (.*)/) {
5284 $authors{$rev} = $1;
5285 $authors{$rev} =~ s/\s/_/g;
5286 }
5287 elsif ($line =~ /^\t(.*)$/) {
5288 printf("%6s %10s %s\n", $rev, $authors{$rev}, $1);
5289 }
5290 }
5291 }
5292 command_close_pipe($fh, $ctx);
5293}
5294package Git::SVN::Migration;
5296# these version numbers do NOT correspond to actual version numbers
5297# of git nor git-svn. They are just relative.
5298#
5299# v0 layout: .git/$id/info/url, refs/heads/$id-HEAD
5300#
5301# v1 layout: .git/$id/info/url, refs/remotes/$id
5302#
5303# v2 layout: .git/svn/$id/info/url, refs/remotes/$id
5304#
5305# v3 layout: .git/svn/$id, refs/remotes/$id
5306# - info/url may remain for backwards compatibility
5307# - this is what we migrate up to this layout automatically,
5308# - this will be used by git svn init on single branches
5309# v3.1 layout (auto migrated):
5310# - .rev_db => .rev_db.$UUID, .rev_db will remain as a symlink
5311# for backwards compatibility
5312#
5313# v4 layout: .git/svn/$repo_id/$id, refs/remotes/$repo_id/$id
5314# - this is only created for newly multi-init-ed
5315# repositories. Similar in spirit to the
5316# --use-separate-remotes option in git-clone (now default)
5317# - we do not automatically migrate to this (following
5318# the example set by core git)
5319#
5320# v5 layout: .rev_db.$UUID => .rev_map.$UUID
5321# - newer, more-efficient format that uses 24-bytes per record
5322# with no filler space.
5323# - use xxd -c24 < .rev_map.$UUID to view and debug
5324# - This is a one-way migration, repositories updated to the
5325# new format will not be able to use old git-svn without
5326# rebuilding the .rev_db. Rebuilding the rev_db is not
5327# possible if noMetadata or useSvmProps are set; but should
5328# be no problem for users that use the (sensible) defaults.
5329use strict;
5330use warnings;
5331use Carp qw/croak/;
5332use File::Path qw/mkpath/;
5333use File::Basename qw/dirname basename/;
5334use vars qw/$_minimize/;
5335sub migrate_from_v0 {
5337 my $git_dir = $ENV{GIT_DIR};
5338 return undef unless -d $git_dir;
5339 my ($fh, $ctx) = command_output_pipe(qw/rev-parse --symbolic --all/);
5340 my $migrated = 0;
5341 while (<$fh>) {
5342 chomp;
5343 my ($id, $orig_ref) = ($_, $_);
5344 next unless $id =~ s#^refs/heads/(.+)-HEAD$#$1#;
5345 next unless -f "$git_dir/$id/info/url";
5346 my $new_ref = "refs/remotes/$id";
5347 if (::verify_ref("$new_ref^0")) {
5348 print STDERR "W: $orig_ref is probably an old ",
5349 "branch used by an ancient version of ",
5350 "git-svn.\n",
5351 "However, $new_ref also exists.\n",
5352 "We will not be able ",
5353 "to use this branch until this ",
5354 "ambiguity is resolved.\n";
5355 next;
5356 }
5357 print STDERR "Migrating from v0 layout...\n" if !$migrated;
5358 print STDERR "Renaming ref: $orig_ref => $new_ref\n";
5359 command_noisy('update-ref', $new_ref, $orig_ref);
5360 command_noisy('update-ref', '-d', $orig_ref, $orig_ref);
5361 $migrated++;
5362 }
5363 command_close_pipe($fh, $ctx);
5364 print STDERR "Done migrating from v0 layout...\n" if $migrated;
5365 $migrated;
5366}
5367sub migrate_from_v1 {
5369 my $git_dir = $ENV{GIT_DIR};
5370 my $migrated = 0;
5371 return $migrated unless -d $git_dir;
5372 my $svn_dir = "$git_dir/svn";
5373 # just in case somebody used 'svn' as their $id at some point...
5375 return $migrated if -d $svn_dir && ! -f "$svn_dir/info/url";
5376 print STDERR "Migrating from a git-svn v1 layout...\n";
5378 mkpath([$svn_dir]);
5379 print STDERR "Data from a previous version of git-svn exists, but\n\t",
5380 "$svn_dir\n\t(required for this version ",
5381 "($::VERSION) of git-svn) does not exist.\n";
5382 my ($fh, $ctx) = command_output_pipe(qw/rev-parse --symbolic --all/);
5383 while (<$fh>) {
5384 my $x = $_;
5385 next unless $x =~ s#^refs/remotes/##;
5386 chomp $x;
5387 next unless -f "$git_dir/$x/info/url";
5388 my $u = eval { ::file_to_s("$git_dir/$x/info/url") };
5389 next unless $u;
5390 my $dn = dirname("$git_dir/svn/$x");
5391 mkpath([$dn]) unless -d $dn;
5392 if ($x eq 'svn') { # they used 'svn' as GIT_SVN_ID:
5393 mkpath(["$git_dir/svn/svn"]);
5394 print STDERR " - $git_dir/$x/info => ",
5395 "$git_dir/svn/$x/info\n";
5396 rename "$git_dir/$x/info", "$git_dir/svn/$x/info" or
5397 croak "$!: $x";
5398 # don't worry too much about these, they probably
5399 # don't exist with repos this old (save for index,
5400 # and we can easily regenerate that)
5401 foreach my $f (qw/unhandled.log index .rev_db/) {
5402 rename "$git_dir/$x/$f", "$git_dir/svn/$x/$f";
5403 }
5404 } else {
5405 print STDERR " - $git_dir/$x => $git_dir/svn/$x\n";
5406 rename "$git_dir/$x", "$git_dir/svn/$x" or
5407 croak "$!: $x";
5408 }
5409 $migrated++;
5410 }
5411 command_close_pipe($fh, $ctx);
5412 print STDERR "Done migrating from a git-svn v1 layout\n";
5413 $migrated;
5414}
5415sub read_old_urls {
5417 my ($l_map, $pfx, $path) = @_;
5418 my @dir;
5419 foreach (<$path/*>) {
5420 if (-r "$_/info/url") {
5421 $pfx .= '/' if $pfx && $pfx !~ m!/$!;
5422 my $ref_id = $pfx . basename $_;
5423 my $url = ::file_to_s("$_/info/url");
5424 $l_map->{$ref_id} = $url;
5425 } elsif (-d $_) {
5426 push @dir, $_;
5427 }
5428 }
5429 foreach (@dir) {
5430 my $x = $_;
5431 $x =~ s!^\Q$ENV{GIT_DIR}\E/svn/!!o;
5432 read_old_urls($l_map, $x, $_);
5433 }
5434}
5435sub migrate_from_v2 {
5437 my @cfg = command(qw/config -l/);
5438 return if grep /^svn-remote\..+\.url=/, @cfg;
5439 my %l_map;
5440 read_old_urls(\%l_map, '', "$ENV{GIT_DIR}/svn");
5441 my $migrated = 0;
5442 foreach my $ref_id (sort keys %l_map) {
5444 eval { Git::SVN->init($l_map{$ref_id}, '', undef, $ref_id) };
5445 if ($@) {
5446 Git::SVN->init($l_map{$ref_id}, '', $ref_id, $ref_id);
5447 }
5448 $migrated++;
5449 }
5450 $migrated;
5451}
5452sub minimize_connections {
5454 my $r = Git::SVN::read_all_remotes();
5455 my $new_urls = {};
5456 my $root_repos = {};
5457 foreach my $repo_id (keys %$r) {
5458 my $url = $r->{$repo_id}->{url} or next;
5459 my $fetch = $r->{$repo_id}->{fetch} or next;
5460 my $ra = Git::SVN::Ra->new($url);
5461 # skip existing cases where we already connect to the root
5463 if (($ra->{url} eq $ra->{repos_root}) ||
5464 ($ra->{repos_root} eq $repo_id)) {
5465 $root_repos->{$ra->{url}} = $repo_id;
5466 next;
5467 }
5468 my $root_ra = Git::SVN::Ra->new($ra->{repos_root});
5470 my $root_path = $ra->{url};
5471 $root_path =~ s#^\Q$ra->{repos_root}\E(/|$)##;
5472 foreach my $path (keys %$fetch) {
5473 my $ref_id = $fetch->{$path};
5474 my $gs = Git::SVN->new($ref_id, $repo_id, $path);
5475 # make sure we can read when connecting to
5477 # a higher level of a repository
5478 my ($last_rev, undef) = $gs->last_rev_commit;
5479 if (!defined $last_rev) {
5480 $last_rev = eval {
5481 $root_ra->get_latest_revnum;
5482 };
5483 next if $@;
5484 }
5485 my $new = $root_path;
5486 $new .= length $path ? "/$path" : '';
5487 eval {
5488 $root_ra->get_log([$new], $last_rev, $last_rev,
5489 0, 0, 1, sub { });
5490 };
5491 next if $@;
5492 $new_urls->{$ra->{repos_root}}->{$new} =
5493 { ref_id => $ref_id,
5494 old_repo_id => $repo_id,
5495 old_path => $path };
5496 }
5497 }
5498 my @emptied;
5500 foreach my $url (keys %$new_urls) {
5501 # see if we can re-use an existing [svn-remote "repo_id"]
5502 # instead of creating a(n ugly) new section:
5503 my $repo_id = $root_repos->{$url} || $url;
5504 my $fetch = $new_urls->{$url};
5506 foreach my $path (keys %$fetch) {
5507 my $x = $fetch->{$path};
5508 Git::SVN->init($url, $path, $repo_id, $x->{ref_id});
5509 my $pfx = "svn-remote.$x->{old_repo_id}";
5510 my $old_fetch = quotemeta("$x->{old_path}:".
5512 "refs/remotes/$x->{ref_id}");
5513 command_noisy(qw/config --unset/,
5514 "$pfx.fetch", '^'. $old_fetch . '$');
5515 delete $r->{$x->{old_repo_id}}->
5516 {fetch}->{$x->{old_path}};
5517 if (!keys %{$r->{$x->{old_repo_id}}->{fetch}}) {
5518 command_noisy(qw/config --unset/,
5519 "$pfx.url");
5520 push @emptied, $x->{old_repo_id}
5521 }
5522 }
5523 }
5524 if (@emptied) {
5525 my $file = $ENV{GIT_CONFIG} || "$ENV{GIT_DIR}/config";
5526 print STDERR <<EOF;
5527The following [svn-remote] sections in your config file ($file) are empty
5528and can be safely removed:
5529EOF
5530 print STDERR "[svn-remote \"$_\"]\n" foreach @emptied;
5531 }
5532}
5533sub migration_check {
5535 migrate_from_v0();
5536 migrate_from_v1();
5537 migrate_from_v2();
5538 minimize_connections() if $_minimize;
5539}
5540package Git::IndexInfo;
5542use strict;
5543use warnings;
5544use Git qw/command_input_pipe command_close_pipe/;
5545sub new {
5547 my ($class) = @_;
5548 my ($gui, $ctx) = command_input_pipe(qw/update-index -z --index-info/);
5549 bless { gui => $gui, ctx => $ctx, nr => 0}, $class;
5550}
5551sub remove {
5553 my ($self, $path) = @_;
5554 if (print { $self->{gui} } '0 ', 0 x 40, "\t", $path, "\0") {
5555 return ++$self->{nr};
5556 }
5557 undef;
5558}
5559sub update {
5561 my ($self, $mode, $hash, $path) = @_;
5562 if (print { $self->{gui} } $mode, ' ', $hash, "\t", $path, "\0") {
5563 return ++$self->{nr};
5564 }
5565 undef;
5566}
5567sub DESTROY {
5569 my ($self) = @_;
5570 command_close_pipe($self->{gui}, $self->{ctx});
5571}
5572package Git::SVN::GlobSpec;
5574use strict;
5575use warnings;
5576sub new {
5578 my ($class, $glob) = @_;
5579 my $re = $glob;
5580 $re =~ s!/+$!!g; # no need for trailing slashes
5581 $re =~ m!^([^*]*)(\*(?:/\*)*)([^*]*)$!;
5582 my $temp = $re;
5583 my ($left, $right) = ($1, $3);
5584 $re = $2;
5585 my $depth = $re =~ tr/*/*/;
5586 if ($depth != $temp =~ tr/*/*/) {
5587 die "Only one set of wildcard directories " .
5588 "(e.g. '*' or '*/*/*') is supported: '$glob'\n";
5589 }
5590 if ($depth == 0) {
5591 die "One '*' is needed for glob: '$glob'\n";
5592 }
5593 $re =~ s!\*!\[^/\]*!g;
5594 $re = quotemeta($left) . "($re)" . quotemeta($right);
5595 if (length $left && !($left =~ s!/+$!!g)) {
5596 die "Missing trailing '/' on left side of: '$glob' ($left)\n";
5597 }
5598 if (length $right && !($right =~ s!^/+!!g)) {
5599 die "Missing leading '/' on right side of: '$glob' ($right)\n";
5600 }
5601 my $left_re = qr/^\/\Q$left\E(\/|$)/;
5602 bless { left => $left, right => $right, left_regex => $left_re,
5603 regex => qr/$re/, glob => $glob, depth => $depth }, $class;
5604}
5605sub full_path {
5607 my ($self, $path) = @_;
5608 return (length $self->{left} ? "$self->{left}/" : '') .
5609 $path . (length $self->{right} ? "/$self->{right}" : '');
5610}
5611__END__
5613Data structures:
5615$remotes = { # returned by read_all_remotes()
5618 'svn' => {
5619 # svn-remote.svn.url=https://svn.musicpd.org
5620 url => 'https://svn.musicpd.org',
5621 # svn-remote.svn.fetch=mpd/trunk:trunk
5622 fetch => {
5623 'mpd/trunk' => 'trunk',
5624 },
5625 # svn-remote.svn.tags=mpd/tags/*:tags/*
5626 tags => {
5627 path => {
5628 left => 'mpd/tags',
5629 right => '',
5630 regex => qr!mpd/tags/([^/]+)$!,
5631 glob => 'tags/*',
5632 },
5633 ref => {
5634 left => 'tags',
5635 right => '',
5636 regex => qr!tags/([^/]+)$!,
5637 glob => 'tags/*',
5638 },
5639 }
5640 }
5641};
5642$log_entry hashref as returned by libsvn_log_entry()
5644{
5645 log => 'whitespace-formatted log entry
5646', # trailing newline is preserved
5647 revision => '8', # integer
5648 date => '2004-02-24T17:01:44.108345Z', # commit date
5649 author => 'committer name'
5650};
5651# this is generated by generate_diff();
5654@mods = array of diff-index line hashes, each element represents one line
5655 of diff-index output
5656diff-index line ($m hash)
5658{
5659 mode_a => first column of diff-index output, no leading ':',
5660 mode_b => second column of diff-index output,
5661 sha1_b => sha1sum of the final blob,
5662 chg => change type [MCRADT],
5663 file_a => original file name of a file (iff chg is 'C' or 'R')
5664 file_b => new/current file name of a file (any chg)
5665}
5666;
5667# retval of read_url_paths{,_all}();
5669$l_map = {
5670 # repository root url
5671 'https://svn.musicpd.org' => {
5672 # repository path # GIT_SVN_ID
5673 'mpd/trunk' => 'trunk',
5674 'mpd/tags/0.11.5' => 'tags/0.11.5',
5675 },
5676}
5677Notes:
5679 I don't trust the each() function on unless I created %hash myself
5680 because the internal iterator may not have started at base.