fetch-pack: do not ask for unadvertised capabilities
[gitweb.git] / git-svn.perl
index 31d02b5f70f553e27e0bdc760355909cb535f813..7870cc15c1151d0acb2bf3851a449aa1074d8c42 100755 (executable)
@@ -68,8 +68,7 @@ sub _req_svn {
 }
 my $can_compress = eval { require Compress::Zlib; 1};
 push @Git::SVN::Ra::ISA, 'SVN::Ra';
-push @SVN::Git::Editor::ISA, 'SVN::Delta::Editor';
-push @SVN::Git::Fetcher::ISA, 'SVN::Delta::Editor';
+push @Git::SVN::Editor::ISA, 'SVN::Delta::Editor';
 use Carp qw/croak/;
 use Digest::MD5;
 use IO::File qw//;
@@ -80,6 +79,8 @@ sub _req_svn {
 use Getopt::Long qw/:config gnu_getopt no_ignore_case auto_abbrev/;
 use IPC::Open3;
 use Git;
+use Git::SVN::Fetcher qw//;
+use Git::SVN::Prompt qw//;
 use Memoize;  # core since 5.8.0, Jul 2002
 
 BEGIN {
@@ -88,7 +89,7 @@ BEGIN
        foreach (qw/command command_oneline command_noisy command_output_pipe
                    command_input_pipe command_close_pipe
                    command_bidi_pipe command_close_bidi_pipe/) {
-               for my $package ( qw(SVN::Git::Editor SVN::Git::Fetcher
+               for my $package ( qw(Git::SVN::Editor
                        Git::SVN::Migration Git::SVN::Log Git::SVN),
                        __PACKAGE__) {
                        *{"${package}::$_"} = \&{"Git::$_"};
@@ -106,16 +107,16 @@ BEGIN
        $_message, $_file, $_branch_dest,
        $_template, $_shared,
        $_version, $_fetch_all, $_no_rebase, $_fetch_parent,
-       $_merge, $_strategy, $_dry_run, $_local,
+       $_merge, $_strategy, $_preserve_merges, $_dry_run, $_local,
        $_prefix, $_no_checkout, $_url, $_verbose,
        $_git_format, $_commit_url, $_tag, $_merge_info, $_interactive);
 $Git::SVN::_follow_parent = 1;
-$SVN::Git::Fetcher::_placeholder_filename = ".gitignore";
+$Git::SVN::Fetcher::_placeholder_filename = ".gitignore";
 $_q ||= 0;
 my %remote_opts = ( 'username=s' => \$Git::SVN::Prompt::_username,
                     'config-dir=s' => \$Git::SVN::Ra::config_dir,
                     'no-auth-cache' => \$Git::SVN::Prompt::_no_auth_cache,
-                    'ignore-paths=s' => \$SVN::Git::Fetcher::_ignore_regex,
+                    'ignore-paths=s' => \$Git::SVN::Fetcher::_ignore_regex,
                     'ignore-refs=s' => \$Git::SVN::Ra::_ignore_refs_regex );
 my %fc_opts = ( 'follow-parent|follow!' => \$Git::SVN::_follow_parent,
                'authors-file|A=s' => \$_authors,
@@ -148,10 +149,10 @@ BEGIN
                  'rewrite-uuid=s' => sub { $icv{rewriteUUID} = $_[1] },
                   %remote_opts );
 my %cmt_opts = ( 'edit|e' => \$_edit,
-               'rmdir' => \$SVN::Git::Editor::_rmdir,
-               'find-copies-harder' => \$SVN::Git::Editor::_find_copies_harder,
-               'l=i' => \$SVN::Git::Editor::_rename_limit,
-               'copy-similarity|C=i'=> \$SVN::Git::Editor::_cp_similarity
+               'rmdir' => \$Git::SVN::Editor::_rmdir,
+               'find-copies-harder' => \$Git::SVN::Editor::_find_copies_harder,
+               'l=i' => \$Git::SVN::Editor::_rename_limit,
+               'copy-similarity|C=i'=> \$Git::SVN::Editor::_cp_similarity
 );
 
 my %cmd = (
@@ -163,9 +164,9 @@ BEGIN
        clone => [ \&cmd_clone, "Initialize and fetch revisions",
                        { 'revision|r=s' => \$_revision,
                          'preserve-empty-dirs' =>
-                               \$SVN::Git::Fetcher::_preserve_empty_dirs,
+                               \$Git::SVN::Fetcher::_preserve_empty_dirs,
                          'placeholder-filename=s' =>
-                               \$SVN::Git::Fetcher::_placeholder_filename,
+                               \$Git::SVN::Fetcher::_placeholder_filename,
                           %fc_opts, %init_opts } ],
        init => [ \&cmd_init, "Initialize a repo for tracking" .
                          " (requires URL argument)",
@@ -255,6 +256,7 @@ BEGIN
                          'local|l' => \$_local,
                          'fetch-all|all' => \$_fetch_all,
                          'dry-run|n' => \$_dry_run,
+                         'preserve-merges|p' => \$_preserve_merges,
                          %fc_opts } ],
        'commit-diff' => [ \&cmd_commit_diff,
                           'Commit a diff between two trees',
@@ -462,15 +464,15 @@ sub do_git_init_db {
                command_noisy('config', "$pfx.$i", $icv{$i});
                $set = $i;
        }
-       my $ignore_paths_regex = \$SVN::Git::Fetcher::_ignore_regex;
+       my $ignore_paths_regex = \$Git::SVN::Fetcher::_ignore_regex;
        command_noisy('config', "$pfx.ignore-paths", $$ignore_paths_regex)
                if defined $$ignore_paths_regex;
        my $ignore_refs_regex = \$Git::SVN::Ra::_ignore_refs_regex;
        command_noisy('config', "$pfx.ignore-refs", $$ignore_refs_regex)
                if defined $$ignore_refs_regex;
 
-       if (defined $SVN::Git::Fetcher::_preserve_empty_dirs) {
-               my $fname = \$SVN::Git::Fetcher::_placeholder_filename;
+       if (defined $Git::SVN::Fetcher::_preserve_empty_dirs) {
+               my $fname = \$Git::SVN::Fetcher::_placeholder_filename;
                command_noisy('config', "$pfx.preserve-empty-dirs", 'true');
                command_noisy('config', "$pfx.placeholder-filename", $$fname);
        }
@@ -940,7 +942,7 @@ sub cmd_dcommit {
                                        },
                                        mergeinfo => $_merge_info,
                                        svn_path => '');
-                       if (!SVN::Git::Editor->new(\%ed_opts)->apply_diff) {
+                       if (!Git::SVN::Editor->new(\%ed_opts)->apply_diff) {
                                print "No changes\n$d~1 == $d\n";
                        } elsif ($parents->{$d} && @{$parents->{$d}}) {
                                $gs->{inject_parents_dcommit}->{$cmt_rev} =
@@ -1064,8 +1066,8 @@ sub cmd_branch {
                            " with the --destination argument.\n";
                }
                foreach my $g (@{$allglobs}) {
-                       # SVN::Git::Editor could probably be moved to Git.pm..
-                       my $re = SVN::Git::Editor::glob2pat($g->{path}->{left});
+                       # Git::SVN::Editor could probably be moved to Git.pm..
+                       my $re = Git::SVN::Editor::glob2pat($g->{path}->{left});
                        if ($_branch_dest =~ /$re/) {
                                $glob = $g;
                                last;
@@ -1423,7 +1425,7 @@ sub cmd_commit_diff {
                        tree_b => $tb,
                        editor_cb => sub { print "Committed r$_[0]\n" },
                        svn_path => $svn_path );
-       if (!SVN::Git::Editor->new(\%ed_opts)->apply_diff) {
+       if (!Git::SVN::Editor->new(\%ed_opts)->apply_diff) {
                print "No changes\n$ta == $tb\n";
        }
 }
@@ -1592,6 +1594,7 @@ sub rebase_cmd {
        push @cmd, '-v' if $_verbose;
        push @cmd, qw/--merge/ if $_merge;
        push @cmd, "--strategy=$_strategy" if $_strategy;
+       push @cmd, "--preserve-merges" if $_preserve_merges;
        @cmd;
 }
 
@@ -3154,7 +3157,7 @@ sub find_parent_branch {
                        # at the moment), so we can't rely on it
                        $self->{last_rev} = $r0;
                        $self->{last_commit} = $parent;
-                       $ed = SVN::Git::Fetcher->new($self, $gs->{path});
+                       $ed = Git::SVN::Fetcher->new($self, $gs->{path});
                        $gs->ra->gs_do_switch($r0, $rev, $gs,
                                              $self->full_url, $ed)
                          or die "SVN connection failed somewhere...\n";
@@ -3172,7 +3175,7 @@ sub find_parent_branch {
                } else {
                        print STDERR "Following parent with do_update\n"
                                     unless $::_q > 1;
-                       $ed = SVN::Git::Fetcher->new($self);
+                       $ed = Git::SVN::Fetcher->new($self);
                        $self->ra->gs_do_update($rev, $rev, $self, $ed)
                          or die "SVN connection failed somewhere...\n";
                }
@@ -3195,7 +3198,7 @@ sub do_fetch {
                        push @{$log_entry->{parents}}, $lc;
                        return $log_entry;
                }
-               $ed = SVN::Git::Fetcher->new($self);
+               $ed = Git::SVN::Fetcher->new($self);
                $last_rev = $self->{last_rev};
                $ed->{c} = $lc;
                @parents = ($lc);
@@ -3204,7 +3207,7 @@ sub do_fetch {
                if (my $log_entry = $self->find_parent_branch($paths, $rev)) {
                        return $log_entry;
                }
-               $ed = SVN::Git::Fetcher->new($self);
+               $ed = Git::SVN::Fetcher->new($self);
        }
        unless ($self->ra->gs_do_update($last_rev, $rev, $self, $ed)) {
                die "SVN connection failed somewhere...\n";
@@ -3909,7 +3912,7 @@ sub set_tree {
                        editor_cb => sub {
                               $self->set_tree_cb($log_entry, $tree, @_) },
                        svn_path => $self->{path} );
-       if (!SVN::Git::Editor->new(\%ed_opts)->apply_diff) {
+       if (!Git::SVN::Editor->new(\%ed_opts)->apply_diff) {
                print "No changes\nr$self->{last_rev} = $tree\n";
        }
 }
@@ -4325,654 +4328,7 @@ sub remove_username {
        $_[0] =~ s{^([^:]*://)[^@]+@}{$1};
 }
 
-package Git::SVN::Prompt;
-use strict;
-use warnings;
-require SVN::Core;
-use vars qw/$_no_auth_cache $_username/;
-
-sub simple {
-       my ($cred, $realm, $default_username, $may_save, $pool) = @_;
-       $may_save = undef if $_no_auth_cache;
-       $default_username = $_username if defined $_username;
-       if (defined $default_username && length $default_username) {
-               if (defined $realm && length $realm) {
-                       print STDERR "Authentication realm: $realm\n";
-                       STDERR->flush;
-               }
-               $cred->username($default_username);
-       } else {
-               username($cred, $realm, $may_save, $pool);
-       }
-       $cred->password(_read_password("Password for '" .
-                                      $cred->username . "': ", $realm));
-       $cred->may_save($may_save);
-       $SVN::_Core::SVN_NO_ERROR;
-}
-
-sub ssl_server_trust {
-       my ($cred, $realm, $failures, $cert_info, $may_save, $pool) = @_;
-       $may_save = undef if $_no_auth_cache;
-       print STDERR "Error validating server certificate for '$realm':\n";
-       {
-               no warnings 'once';
-               # All variables SVN::Auth::SSL::* are used only once,
-               # so we're shutting up Perl warnings about this.
-               if ($failures & $SVN::Auth::SSL::UNKNOWNCA) {
-                       print STDERR " - The certificate is not issued ",
-                           "by a trusted authority. Use the\n",
-                           "   fingerprint to validate ",
-                           "the certificate manually!\n";
-               }
-               if ($failures & $SVN::Auth::SSL::CNMISMATCH) {
-                       print STDERR " - The certificate hostname ",
-                           "does not match.\n";
-               }
-               if ($failures & $SVN::Auth::SSL::NOTYETVALID) {
-                       print STDERR " - The certificate is not yet valid.\n";
-               }
-               if ($failures & $SVN::Auth::SSL::EXPIRED) {
-                       print STDERR " - The certificate has expired.\n";
-               }
-               if ($failures & $SVN::Auth::SSL::OTHER) {
-                       print STDERR " - The certificate has ",
-                           "an unknown error.\n";
-               }
-       } # no warnings 'once'
-       printf STDERR
-               "Certificate information:\n".
-               " - Hostname: %s\n".
-               " - Valid: from %s until %s\n".
-               " - Issuer: %s\n".
-               " - Fingerprint: %s\n",
-               map $cert_info->$_, qw(hostname valid_from valid_until
-                                      issuer_dname fingerprint);
-       my $choice;
-prompt:
-       print STDERR $may_save ?
-             "(R)eject, accept (t)emporarily or accept (p)ermanently? " :
-             "(R)eject or accept (t)emporarily? ";
-       STDERR->flush;
-       $choice = lc(substr(<STDIN> || 'R', 0, 1));
-       if ($choice =~ /^t$/i) {
-               $cred->may_save(undef);
-       } elsif ($choice =~ /^r$/i) {
-               return -1;
-       } elsif ($may_save && $choice =~ /^p$/i) {
-               $cred->may_save($may_save);
-       } else {
-               goto prompt;
-       }
-       $cred->accepted_failures($failures);
-       $SVN::_Core::SVN_NO_ERROR;
-}
-
-sub ssl_client_cert {
-       my ($cred, $realm, $may_save, $pool) = @_;
-       $may_save = undef if $_no_auth_cache;
-       print STDERR "Client certificate filename: ";
-       STDERR->flush;
-       chomp(my $filename = <STDIN>);
-       $cred->cert_file($filename);
-       $cred->may_save($may_save);
-       $SVN::_Core::SVN_NO_ERROR;
-}
-
-sub ssl_client_cert_pw {
-       my ($cred, $realm, $may_save, $pool) = @_;
-       $may_save = undef if $_no_auth_cache;
-       $cred->password(_read_password("Password: ", $realm));
-       $cred->may_save($may_save);
-       $SVN::_Core::SVN_NO_ERROR;
-}
-
-sub username {
-       my ($cred, $realm, $may_save, $pool) = @_;
-       $may_save = undef if $_no_auth_cache;
-       if (defined $realm && length $realm) {
-               print STDERR "Authentication realm: $realm\n";
-       }
-       my $username;
-       if (defined $_username) {
-               $username = $_username;
-       } else {
-               print STDERR "Username: ";
-               STDERR->flush;
-               chomp($username = <STDIN>);
-       }
-       $cred->username($username);
-       $cred->may_save($may_save);
-       $SVN::_Core::SVN_NO_ERROR;
-}
-
-sub _read_password {
-       my ($prompt, $realm) = @_;
-       my $password = '';
-       if (exists $ENV{GIT_ASKPASS}) {
-               open(PH, "-|", $ENV{GIT_ASKPASS}, $prompt);
-               $password = <PH>;
-               $password =~ s/[\012\015]//; # \n\r
-               close(PH);
-       } else {
-               print STDERR $prompt;
-               STDERR->flush;
-               require Term::ReadKey;
-               Term::ReadKey::ReadMode('noecho');
-               while (defined(my $key = Term::ReadKey::ReadKey(0))) {
-                       last if $key =~ /[\012\015]/; # \n\r
-                       $password .= $key;
-               }
-               Term::ReadKey::ReadMode('restore');
-               print STDERR "\n";
-               STDERR->flush;
-       }
-       $password;
-}
-
-package SVN::Git::Fetcher;
-use vars qw/@ISA $_ignore_regex $_preserve_empty_dirs $_placeholder_filename
-            @deleted_gpath %added_placeholder $repo_id/;
-use strict;
-use warnings;
-use Carp qw/croak/;
-use File::Basename qw/dirname/;
-use IO::File qw//;
-
-# file baton members: path, mode_a, mode_b, pool, fh, blob, base
-sub new {
-       my ($class, $git_svn, $switch_path) = @_;
-       my $self = SVN::Delta::Editor->new;
-       bless $self, $class;
-       if (exists $git_svn->{last_commit}) {
-               $self->{c} = $git_svn->{last_commit};
-               $self->{empty_symlinks} =
-                                 _mark_empty_symlinks($git_svn, $switch_path);
-       }
-
-       # some options are read globally, but can be overridden locally
-       # per [svn-remote "..."] section.  Command-line options will *NOT*
-       # override options set in an [svn-remote "..."] section
-       $repo_id = $git_svn->{repo_id};
-       my $k = "svn-remote.$repo_id.ignore-paths";
-       my $v = eval { command_oneline('config', '--get', $k) };
-       $self->{ignore_regex} = $v;
-
-       $k = "svn-remote.$repo_id.preserve-empty-dirs";
-       $v = eval { command_oneline('config', '--get', '--bool', $k) };
-       if ($v && $v eq 'true') {
-               $_preserve_empty_dirs = 1;
-               $k = "svn-remote.$repo_id.placeholder-filename";
-               $v = eval { command_oneline('config', '--get', $k) };
-               $_placeholder_filename = $v;
-       }
-
-       # Load the list of placeholder files added during previous invocations.
-       $k = "svn-remote.$repo_id.added-placeholder";
-       $v = eval { command_oneline('config', '--get-all', $k) };
-       if ($_preserve_empty_dirs && $v) {
-               # command() prints errors to stderr, so we only call it if
-               # command_oneline() succeeded.
-               my @v = command('config', '--get-all', $k);
-               $added_placeholder{ dirname($_) } = $_ foreach @v;
-       }
-
-       $self->{empty} = {};
-       $self->{dir_prop} = {};
-       $self->{file_prop} = {};
-       $self->{absent_dir} = {};
-       $self->{absent_file} = {};
-       $self->{gii} = $git_svn->tmp_index_do(sub { Git::IndexInfo->new });
-       $self->{pathnameencoding} = Git::config('svn.pathnameencoding');
-       $self;
-}
-
-# this uses the Ra object, so it must be called before do_{switch,update},
-# not inside them (when the Git::SVN::Fetcher object is passed) to
-# do_{switch,update}
-sub _mark_empty_symlinks {
-       my ($git_svn, $switch_path) = @_;
-       my $bool = Git::config_bool('svn.brokenSymlinkWorkaround');
-       return {} if (!defined($bool)) || (defined($bool) && ! $bool);
-
-       my %ret;
-       my ($rev, $cmt) = $git_svn->last_rev_commit;
-       return {} unless ($rev && $cmt);
-
-       # allow the warning to be printed for each revision we fetch to
-       # ensure the user sees it.  The user can also disable the workaround
-       # on the repository even while git svn is running and the next
-       # revision fetched will skip this expensive function.
-       my $printed_warning;
-       chomp(my $empty_blob = `git hash-object -t blob --stdin < /dev/null`);
-       my ($ls, $ctx) = command_output_pipe(qw/ls-tree -r -z/, $cmt);
-       local $/ = "\0";
-       my $pfx = defined($switch_path) ? $switch_path : $git_svn->{path};
-       $pfx .= '/' if length($pfx);
-       while (<$ls>) {
-               chomp;
-               s/\A100644 blob $empty_blob\t//o or next;
-               unless ($printed_warning) {
-                       print STDERR "Scanning for empty symlinks, ",
-                                    "this may take a while if you have ",
-                                    "many empty files\n",
-                                    "You may disable this with `",
-                                    "git config svn.brokenSymlinkWorkaround ",
-                                    "false'.\n",
-                                    "This may be done in a different ",
-                                    "terminal without restarting ",
-                                    "git svn\n";
-                       $printed_warning = 1;
-               }
-               my $path = $_;
-               my (undef, $props) =
-                              $git_svn->ra->get_file($pfx.$path, $rev, undef);
-               if ($props->{'svn:special'}) {
-                       $ret{$path} = 1;
-               }
-       }
-       command_close_pipe($ls, $ctx);
-       \%ret;
-}
-
-# returns true if a given path is inside a ".git" directory
-sub in_dot_git {
-       $_[0] =~ m{(?:^|/)\.git(?:/|$)};
-}
-
-# return value: 0 -- don't ignore, 1 -- ignore
-sub is_path_ignored {
-       my ($self, $path) = @_;
-       return 1 if in_dot_git($path);
-       return 1 if defined($self->{ignore_regex}) &&
-                   $path =~ m!$self->{ignore_regex}!;
-       return 0 unless defined($_ignore_regex);
-       return 1 if $path =~ m!$_ignore_regex!o;
-       return 0;
-}
-
-sub set_path_strip {
-       my ($self, $path) = @_;
-       $self->{path_strip} = qr/^\Q$path\E(\/|$)/ if length $path;
-}
-
-sub open_root {
-       { path => '' };
-}
-
-sub open_directory {
-       my ($self, $path, $pb, $rev) = @_;
-       { path => $path };
-}
-
-sub git_path {
-       my ($self, $path) = @_;
-       if (my $enc = $self->{pathnameencoding}) {
-               require Encode;
-               Encode::from_to($path, 'UTF-8', $enc);
-       }
-       if ($self->{path_strip}) {
-               $path =~ s!$self->{path_strip}!! or
-                 die "Failed to strip path '$path' ($self->{path_strip})\n";
-       }
-       $path;
-}
-
-sub delete_entry {
-       my ($self, $path, $rev, $pb) = @_;
-       return undef if $self->is_path_ignored($path);
-
-       my $gpath = $self->git_path($path);
-       return undef if ($gpath eq '');
-
-       # remove entire directories.
-       my ($tree) = (command('ls-tree', '-z', $self->{c}, "./$gpath")
-                        =~ /\A040000 tree ([a-f\d]{40})\t\Q$gpath\E\0/);
-       if ($tree) {
-               my ($ls, $ctx) = command_output_pipe(qw/ls-tree
-                                                    -r --name-only -z/,
-                                                    $tree);
-               local $/ = "\0";
-               while (<$ls>) {
-                       chomp;
-                       my $rmpath = "$gpath/$_";
-                       $self->{gii}->remove($rmpath);
-                       print "\tD\t$rmpath\n" unless $::_q;
-               }
-               print "\tD\t$gpath/\n" unless $::_q;
-               command_close_pipe($ls, $ctx);
-       } else {
-               $self->{gii}->remove($gpath);
-               print "\tD\t$gpath\n" unless $::_q;
-       }
-       # Don't add to @deleted_gpath if we're deleting a placeholder file.
-       push @deleted_gpath, $gpath unless $added_placeholder{dirname($path)};
-       $self->{empty}->{$path} = 0;
-       undef;
-}
-
-sub open_file {
-       my ($self, $path, $pb, $rev) = @_;
-       my ($mode, $blob);
-
-       goto out if $self->is_path_ignored($path);
-
-       my $gpath = $self->git_path($path);
-       ($mode, $blob) = (command('ls-tree', '-z', $self->{c}, "./$gpath")
-                            =~ /\A(\d{6}) blob ([a-f\d]{40})\t\Q$gpath\E\0/);
-       unless (defined $mode && defined $blob) {
-               die "$path was not found in commit $self->{c} (r$rev)\n";
-       }
-       if ($mode eq '100644' && $self->{empty_symlinks}->{$path}) {
-               $mode = '120000';
-       }
-out:
-       { path => $path, mode_a => $mode, mode_b => $mode, blob => $blob,
-         pool => SVN::Pool->new, action => 'M' };
-}
-
-sub add_file {
-       my ($self, $path, $pb, $cp_path, $cp_rev) = @_;
-       my $mode;
-
-       if (!$self->is_path_ignored($path)) {
-               my ($dir, $file) = ($path =~ m#^(.*?)/?([^/]+)$#);
-               delete $self->{empty}->{$dir};
-               $mode = '100644';
-
-               if ($added_placeholder{$dir}) {
-                       # Remove our placeholder file, if we created one.
-                       delete_entry($self, $added_placeholder{$dir})
-                               unless $path eq $added_placeholder{$dir};
-                       delete $added_placeholder{$dir}
-               }
-       }
-
-       { path => $path, mode_a => $mode, mode_b => $mode,
-         pool => SVN::Pool->new, action => 'A' };
-}
-
-sub add_directory {
-       my ($self, $path, $cp_path, $cp_rev) = @_;
-       goto out if $self->is_path_ignored($path);
-       my $gpath = $self->git_path($path);
-       if ($gpath eq '') {
-               my ($ls, $ctx) = command_output_pipe(qw/ls-tree
-                                                    -r --name-only -z/,
-                                                    $self->{c});
-               local $/ = "\0";
-               while (<$ls>) {
-                       chomp;
-                       $self->{gii}->remove($_);
-                       print "\tD\t$_\n" unless $::_q;
-                       push @deleted_gpath, $gpath;
-               }
-               command_close_pipe($ls, $ctx);
-               $self->{empty}->{$path} = 0;
-       }
-       my ($dir, $file) = ($path =~ m#^(.*?)/?([^/]+)$#);
-       delete $self->{empty}->{$dir};
-       $self->{empty}->{$path} = 1;
-
-       if ($added_placeholder{$dir}) {
-               # Remove our placeholder file, if we created one.
-               delete_entry($self, $added_placeholder{$dir});
-               delete $added_placeholder{$dir}
-       }
-
-out:
-       { path => $path };
-}
-
-sub change_dir_prop {
-       my ($self, $db, $prop, $value) = @_;
-       return undef if $self->is_path_ignored($db->{path});
-       $self->{dir_prop}->{$db->{path}} ||= {};
-       $self->{dir_prop}->{$db->{path}}->{$prop} = $value;
-       undef;
-}
-
-sub absent_directory {
-       my ($self, $path, $pb) = @_;
-       return undef if $self->is_path_ignored($path);
-       $self->{absent_dir}->{$pb->{path}} ||= [];
-       push @{$self->{absent_dir}->{$pb->{path}}}, $path;
-       undef;
-}
-
-sub absent_file {
-       my ($self, $path, $pb) = @_;
-       return undef if $self->is_path_ignored($path);
-       $self->{absent_file}->{$pb->{path}} ||= [];
-       push @{$self->{absent_file}->{$pb->{path}}}, $path;
-       undef;
-}
-
-sub change_file_prop {
-       my ($self, $fb, $prop, $value) = @_;
-       return undef if $self->is_path_ignored($fb->{path});
-       if ($prop eq 'svn:executable') {
-               if ($fb->{mode_b} != 120000) {
-                       $fb->{mode_b} = defined $value ? 100755 : 100644;
-               }
-       } elsif ($prop eq 'svn:special') {
-               $fb->{mode_b} = defined $value ? 120000 : 100644;
-       } else {
-               $self->{file_prop}->{$fb->{path}} ||= {};
-               $self->{file_prop}->{$fb->{path}}->{$prop} = $value;
-       }
-       undef;
-}
-
-sub apply_textdelta {
-       my ($self, $fb, $exp) = @_;
-       return undef if $self->is_path_ignored($fb->{path});
-       my $fh = $::_repository->temp_acquire('svn_delta');
-       # $fh gets auto-closed() by SVN::TxDelta::apply(),
-       # (but $base does not,) so dup() it for reading in close_file
-       open my $dup, '<&', $fh or croak $!;
-       my $base = $::_repository->temp_acquire('git_blob');
-
-       if ($fb->{blob}) {
-               my ($base_is_link, $size);
-
-               if ($fb->{mode_a} eq '120000' &&
-                   ! $self->{empty_symlinks}->{$fb->{path}}) {
-                       print $base 'link ' or die "print $!\n";
-                       $base_is_link = 1;
-               }
-       retry:
-               $size = $::_repository->cat_blob($fb->{blob}, $base);
-               die "Failed to read object $fb->{blob}" if ($size < 0);
-
-               if (defined $exp) {
-                       seek $base, 0, 0 or croak $!;
-                       my $got = ::md5sum($base);
-                       if ($got ne $exp) {
-                               my $err = "Checksum mismatch: ".
-                                      "$fb->{path} $fb->{blob}\n" .
-                                      "expected: $exp\n" .
-                                      "     got: $got\n";
-                               if ($base_is_link) {
-                                       warn $err,
-                                            "Retrying... (possibly ",
-                                            "a bad symlink from SVN)\n";
-                                       $::_repository->temp_reset($base);
-                                       $base_is_link = 0;
-                                       goto retry;
-                               }
-                               die $err;
-                       }
-               }
-       }
-       seek $base, 0, 0 or croak $!;
-       $fb->{fh} = $fh;
-       $fb->{base} = $base;
-       [ SVN::TxDelta::apply($base, $dup, undef, $fb->{path}, $fb->{pool}) ];
-}
-
-sub close_file {
-       my ($self, $fb, $exp) = @_;
-       return undef if $self->is_path_ignored($fb->{path});
-
-       my $hash;
-       my $path = $self->git_path($fb->{path});
-       if (my $fh = $fb->{fh}) {
-               if (defined $exp) {
-                       seek($fh, 0, 0) or croak $!;
-                       my $got = ::md5sum($fh);
-                       if ($got ne $exp) {
-                               die "Checksum mismatch: $path\n",
-                                   "expected: $exp\n    got: $got\n";
-                       }
-               }
-               if ($fb->{mode_b} == 120000) {
-                       sysseek($fh, 0, 0) or croak $!;
-                       my $rd = sysread($fh, my $buf, 5);
-
-                       if (!defined $rd) {
-                               croak "sysread: $!\n";
-                       } elsif ($rd == 0) {
-                               warn "$path has mode 120000",
-                                    " but it points to nothing\n",
-                                    "converting to an empty file with mode",
-                                    " 100644\n";
-                               $fb->{mode_b} = '100644';
-                       } elsif ($buf ne 'link ') {
-                               warn "$path has mode 120000",
-                                    " but is not a link\n";
-                       } else {
-                               my $tmp_fh = $::_repository->temp_acquire(
-                                       'svn_hash');
-                               my $res;
-                               while ($res = sysread($fh, my $str, 1024)) {
-                                       my $out = syswrite($tmp_fh, $str, $res);
-                                       defined($out) && $out == $res
-                                               or croak("write ",
-                                                       Git::temp_path($tmp_fh),
-                                                       ": $!\n");
-                               }
-                               defined $res or croak $!;
-
-                               ($fh, $tmp_fh) = ($tmp_fh, $fh);
-                               Git::temp_release($tmp_fh, 1);
-                       }
-               }
-
-               $hash = $::_repository->hash_and_insert_object(
-                               Git::temp_path($fh));
-               $hash =~ /^[a-f\d]{40}$/ or die "not a sha1: $hash\n";
-
-               Git::temp_release($fb->{base}, 1);
-               Git::temp_release($fh, 1);
-       } else {
-               $hash = $fb->{blob} or die "no blob information\n";
-       }
-       $fb->{pool}->clear;
-       $self->{gii}->update($fb->{mode_b}, $hash, $path) or croak $!;
-       print "\t$fb->{action}\t$path\n" if $fb->{action} && ! $::_q;
-       undef;
-}
-
-sub abort_edit {
-       my $self = shift;
-       $self->{nr} = $self->{gii}->{nr};
-       delete $self->{gii};
-       $self->SUPER::abort_edit(@_);
-}
-
-sub close_edit {
-       my $self = shift;
-
-       if ($_preserve_empty_dirs) {
-               my @empty_dirs;
-
-               # Any entry flagged as empty that also has an associated
-               # dir_prop represents a newly created empty directory.
-               foreach my $i (keys %{$self->{empty}}) {
-                       push @empty_dirs, $i if exists $self->{dir_prop}->{$i};
-               }
-
-               # Search for directories that have become empty due subsequent
-               # file deletes.
-               push @empty_dirs, $self->find_empty_directories();
-
-               # Finally, add a placeholder file to each empty directory.
-               $self->add_placeholder_file($_) foreach (@empty_dirs);
-
-               $self->stash_placeholder_list();
-       }
-
-       $self->{git_commit_ok} = 1;
-       $self->{nr} = $self->{gii}->{nr};
-       delete $self->{gii};
-       $self->SUPER::close_edit(@_);
-}
-
-sub find_empty_directories {
-       my ($self) = @_;
-       my @empty_dirs;
-       my %dirs = map { dirname($_) => 1 } @deleted_gpath;
-
-       foreach my $dir (sort keys %dirs) {
-               next if $dir eq ".";
-
-               # If there have been any additions to this directory, there is
-               # no reason to check if it is empty.
-               my $skip_added = 0;
-               foreach my $t (qw/dir_prop file_prop/) {
-                       foreach my $path (keys %{ $self->{$t} }) {
-                               if (exists $self->{$t}->{dirname($path)}) {
-                                       $skip_added = 1;
-                                       last;
-                               }
-                       }
-                       last if $skip_added;
-               }
-               next if $skip_added;
-
-               # Use `git ls-tree` to get the filenames of this directory
-               # that existed prior to this particular commit.
-               my $ls = command('ls-tree', '-z', '--name-only',
-                                $self->{c}, "$dir/");
-               my %files = map { $_ => 1 } split(/\0/, $ls);
-
-               # Remove the filenames that were deleted during this commit.
-               delete $files{$_} foreach (@deleted_gpath);
-
-               # Report the directory if there are no filenames left.
-               push @empty_dirs, $dir unless (scalar %files);
-       }
-       @empty_dirs;
-}
-
-sub add_placeholder_file {
-       my ($self, $dir) = @_;
-       my $path = "$dir/$_placeholder_filename";
-       my $gpath = $self->git_path($path);
-
-       my $fh = $::_repository->temp_acquire($gpath);
-       my $hash = $::_repository->hash_and_insert_object(Git::temp_path($fh));
-       Git::temp_release($fh, 1);
-       $self->{gii}->update('100644', $hash, $gpath) or croak $!;
-
-       # The directory should no longer be considered empty.
-       delete $self->{empty}->{$dir} if exists $self->{empty}->{$dir};
-
-       # Keep track of any placeholder files we create.
-       $added_placeholder{$dir} = $path;
-}
-
-sub stash_placeholder_list {
-       my ($self) = @_;
-       my $k = "svn-remote.$repo_id.added-placeholder";
-       my $v = eval { command_oneline('config', '--get-all', $k) };
-       command_noisy('config', '--unset-all', $k) if $v;
-       foreach (values %added_placeholder) {
-               command_noisy('config', '--add', $k, $_);
-       }
-}
-
-package SVN::Git::Editor;
+package Git::SVN::Editor;
 use vars qw/@ISA $_rmdir $_cp_similarity $_find_copies_harder $_rename_limit/;
 use strict;
 use warnings;