add tests for rebasing root
[gitweb.git] / git-svn.perl
index bd5266c86b299bbc75878b7529820798d194fc72..d070de012c3a04ca621782f047425318ff246ca6 100755 (executable)
@@ -61,8 +61,6 @@ BEGIN
        command_oneline([qw/rev-parse --show-prefix/], STDERR => 0)
 } || '';
 
-my $git_dir_user_set = 1 if defined $ENV{GIT_DIR};
-$ENV{GIT_DIR} ||= '.git';
 $Git::SVN::Ra::_log_window_size = 100;
 
 if (! exists $ENV{SVN_SSH} && exists $ENV{GIT_SSH}) {
@@ -114,7 +112,8 @@ sub _req_svn {
        $_message, $_file, $_branch_dest,
        $_template, $_shared,
        $_version, $_fetch_all, $_no_rebase, $_fetch_parent,
-       $_merge, $_strategy, $_preserve_merges, $_dry_run, $_local,
+       $_before, $_after,
+       $_merge, $_strategy, $_preserve_merges, $_dry_run, $_parents, $_local,
        $_prefix, $_no_checkout, $_url, $_verbose,
        $_commit_url, $_tag, $_merge_info, $_interactive);
 
@@ -127,6 +126,7 @@ sub _req_svn {
                     'config-dir=s' => \$Git::SVN::Ra::config_dir,
                     'no-auth-cache' => \$Git::SVN::Prompt::_no_auth_cache,
                     'ignore-paths=s' => \$Git::SVN::Fetcher::_ignore_regex,
+                    'include-paths=s' => \$Git::SVN::Fetcher::_include_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,
@@ -203,6 +203,7 @@ sub _req_svn {
                    { 'message|m=s' => \$_message,
                      'destination|d=s' => \$_branch_dest,
                      'dry-run|n' => \$_dry_run,
+                     'parents' => \$_parents,
                      'tag|t' => \$_tag,
                      'username=s' => \$Git::SVN::Prompt::_username,
                      'commit-url=s' => \$_commit_url } ],
@@ -211,6 +212,7 @@ sub _req_svn {
                 { 'message|m=s' => \$_message,
                   'destination|d=s' => \$_branch_dest,
                   'dry-run|n' => \$_dry_run,
+                  'parents' => \$_parents,
                   'username=s' => \$Git::SVN::Prompt::_username,
                   'commit-url=s' => \$_commit_url } ],
        'set-tree' => [ \&cmd_set_tree,
@@ -258,7 +260,8 @@ sub _req_svn {
                        } ],
        'find-rev' => [ \&cmd_find_rev,
                        "Translate between SVN revision numbers and tree-ish",
-                       {} ],
+                       { 'before' => \$_before,
+                         'after' => \$_after } ],
        'rebase' => [ \&cmd_rebase, "Fetch and rebase your working directory",
                        { 'merge|m|M' => \$_merge,
                          'verbose|v' => \$_verbose,
@@ -325,27 +328,20 @@ package main;
 };
 
 # make sure we're always running at the top-level working directory
-unless ($cmd && $cmd =~ /(?:clone|init|multi-init)$/) {
-       unless (-d $ENV{GIT_DIR}) {
-               if ($git_dir_user_set) {
-                       die "GIT_DIR=$ENV{GIT_DIR} explicitly set, ",
-                           "but it is not a directory\n";
-               }
-               my $git_dir = delete $ENV{GIT_DIR};
-               my $cdup = undef;
-               git_cmd_try {
-                       $cdup = command_oneline(qw/rev-parse --show-cdup/);
-                       $git_dir = '.' unless ($cdup);
-                       chomp $cdup if ($cdup);
-                       $cdup = "." unless ($cdup && length $cdup);
-               } "Already at toplevel, but $git_dir not found\n";
-               chdir $cdup or die "Unable to chdir up to '$cdup'\n";
-               unless (-d $git_dir) {
-                       die "$git_dir still not found after going to ",
-                           "'$cdup'\n";
-               }
-               $ENV{GIT_DIR} = $git_dir;
-       }
+if ($cmd && $cmd =~ /(?:clone|init|multi-init)$/) {
+       $ENV{GIT_DIR} ||= ".git";
+} else {
+       my ($git_dir, $cdup);
+       git_cmd_try {
+               $git_dir = command_oneline([qw/rev-parse --git-dir/]);
+       } "Unable to find .git directory\n";
+       git_cmd_try {
+               $cdup = command_oneline(qw/rev-parse --show-cdup/);
+               chomp $cdup if ($cdup);
+               $cdup = "." unless ($cdup && length $cdup);
+       } "Already at toplevel, but $git_dir not found\n";
+       $ENV{GIT_DIR} = $git_dir;
+       chdir $cdup or die "Unable to chdir up to '$cdup'\n";
        $_repository = Git->repository(Repository => $ENV{GIT_DIR});
 }
 
@@ -389,7 +385,7 @@ sub usage {
        my $fd = $exit ? \*STDERR : \*STDOUT;
        print $fd <<"";
 git-svn - bidirectional operations between a single Subversion tree and git
-Usage: git svn <command> [options] [arguments]\n
+usage: git svn <command> [options] [arguments]\n
 
        print $fd "Available commands:\n" unless $cmd;
 
@@ -477,6 +473,9 @@ sub do_git_init_db {
        my $ignore_paths_regex = \$Git::SVN::Fetcher::_ignore_regex;
        command_noisy('config', "$pfx.ignore-paths", $$ignore_paths_regex)
                if defined $$ignore_paths_regex;
+       my $include_paths_regex = \$Git::SVN::Fetcher::_include_regex;
+       command_noisy('config', "$pfx.include-paths", $$include_paths_regex)
+               if defined $$include_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;
@@ -541,7 +540,7 @@ sub cmd_fetch {
        }
        my ($remote) = @_;
        if (@_ > 1) {
-               die "Usage: $0 fetch [--all] [--parent] [svn-remote]\n";
+               die "usage: $0 fetch [--all] [--parent] [svn-remote]\n";
        }
        $Git::SVN::no_reuse_existing = undef;
        if ($_fetch_parent) {
@@ -676,12 +675,14 @@ sub merge_revs_into_hash {
 }
 
 sub merge_merge_info {
-       my ($mergeinfo_one, $mergeinfo_two) = @_;
+       my ($mergeinfo_one, $mergeinfo_two, $ignore_branch) = @_;
        my %result_hash = ();
 
        merge_revs_into_hash(\%result_hash, $mergeinfo_one);
        merge_revs_into_hash(\%result_hash, $mergeinfo_two);
 
+       delete $result_hash{$ignore_branch} if $ignore_branch;
+
        my $result = '';
        # Sort below is for consistency's sake
        for my $branchname (sort keys(%result_hash)) {
@@ -702,6 +703,7 @@ sub populate_merge_info {
                my $all_parents_ok = 1;
                my $aggregate_mergeinfo = '';
                my $rooturl = $gs->repos_root;
+               my ($target_branch) = $gs->full_pushurl =~ /^\Q$rooturl\E(.*)/;
 
                if (defined($rewritten_parent)) {
                        # Replace first parent with newly-rewritten version
@@ -733,7 +735,8 @@ sub populate_merge_info {
                        # Merge previous mergeinfo values
                        $aggregate_mergeinfo =
                                merge_merge_info($aggregate_mergeinfo,
-                                                                $par_mergeinfo, 0);
+                                                               $par_mergeinfo,
+                                                               $target_branch);
 
                        next if $parent eq $parents[0]; # Skip first parent
                        # Add new changes being placed in tree by merge
@@ -776,7 +779,8 @@ sub populate_merge_info {
                        my $newmergeinfo = "$branchpath:" . join(',', @revsin);
                        $aggregate_mergeinfo =
                                merge_merge_info($aggregate_mergeinfo,
-                                                                $newmergeinfo, 1);
+                                                               $newmergeinfo,
+                                                               $target_branch);
                }
                if ($all_parents_ok and $aggregate_mergeinfo) {
                        return $aggregate_mergeinfo;
@@ -1170,6 +1174,10 @@ sub cmd_branch {
                $ctx->ls($dst, 'HEAD', 0);
        } and die "branch ${branch_name} already exists\n";
 
+       if ($_parents) {
+               mk_parent_dirs($ctx, $dst);
+       }
+
        print "Copying ${src} at r${rev} to ${dst}...\n";
        $ctx->copy($src, $rev, $dst)
                unless $_dry_run;
@@ -1177,6 +1185,17 @@ sub cmd_branch {
        $gs->fetch_all;
 }
 
+sub mk_parent_dirs {
+       my ($ctx, $parent) = @_;
+       $parent =~ s{/[^/]*$}{};
+
+       if (!eval{$ctx->ls($parent, 'HEAD', 0)}) {
+               mk_parent_dirs($ctx, $parent);
+               print "Creating parent folder ${parent} ...\n";
+               $ctx->mkdir($parent) unless $_dry_run;
+       }
+}
+
 sub cmd_find_rev {
        my $revision_or_hash = shift or die "SVN or git revision required ",
                                            "as a command-line argument\n";
@@ -1191,7 +1210,13 @@ sub cmd_find_rev {
                            "$head history\n";
                }
                my $desired_revision = substr($revision_or_hash, 1);
-               $result = $gs->rev_map_get($desired_revision, $uuid);
+               if ($_before) {
+                       $result = $gs->find_rev_before($desired_revision, 1);
+               } elsif ($_after) {
+                       $result = $gs->find_rev_after($desired_revision, 1);
+               } else {
+                       $result = $gs->rev_map_get($desired_revision, $uuid);
+               }
        } else {
                my (undef, $rev, undef) = cmt_metadata($revision_or_hash);
                $result = $rev;
@@ -1405,7 +1430,7 @@ sub cmd_multi_fetch {
 # this command is special because it requires no metadata
 sub cmd_commit_diff {
        my ($ta, $tb, $url) = @_;
-       my $usage = "Usage: $0 commit-diff -r<revision> ".
+       my $usage = "usage: $0 commit-diff -r<revision> ".
                    "<tree-ish> <tree-ish> [<URL>]";
        fatal($usage) if (!defined $ta || !defined $tb);
        my $svn_path = '';