refactor userdiff textconv code

diff --git a/git-svn.perl b/git-svn.perl
index 7609a837419012d94109cf8b4de1b9bbdb969c83..ef6d773df1143b32f0bc421b59421f7e0eab60bd 100755 (executable)
--- a/git-svn.perl
+++ b/git-svn.perl
@@ -66,7 +66,7 @@ BEGIN
        $_version, $_fetch_all, $_no_rebase,
        $_merge, $_strategy, $_dry_run, $_local,
        $_prefix, $_no_checkout, $_url, $_verbose,
-       $_git_format, $_commit_url);
+       $_git_format, $_commit_url, $_tag);
 $Git::SVN::_follow_parent = 1;
 my %remote_opts = ( 'username=s' => \$Git::SVN::Prompt::_username,
                     'config-dir=s' => \$Git::SVN::Ra::config_dir,
@@ -131,6 +131,15 @@ BEGIN
                          'revision|r=i' => \$_revision,
                          'no-rebase' => \$_no_rebase,
                        %cmt_opts, %fc_opts } ],
+       branch => [ \&cmd_branch,
+                   'Create a branch in the SVN repository',
+                   { 'message|m=s' => \$_message,
+                     'dry-run|n' => \$_dry_run,
+                     'tag|t' => \$_tag } ],
+       tag => [ sub { $_tag = 1; cmd_branch(@_) },
+                'Create a tag in the SVN repository',
+                { 'message|m=s' => \$_message,
+                  'dry-run|n' => \$_dry_run } ],
        'set-tree' => [ \&cmd_set_tree,
                        "Set an SVN repository to a git tree-ish",
                        { 'stdin|' => \$_stdin, %cmt_opts, %fc_opts, } ],
@@ -537,6 +546,42 @@ sub cmd_dcommit {
        unlink $gs->{index};
 }
 
+sub cmd_branch {
+       my ($branch_name, $head) = @_;
+
+       unless (defined $branch_name && length $branch_name) {
+               die(($_tag ? "tag" : "branch") . " name required\n");
+       }
+       $head ||= 'HEAD';
+
+       my ($src, $rev, undef, $gs) = working_head_info($head);
+
+       my $remote = Git::SVN::read_all_remotes()->{svn};
+       my $glob = $remote->{ $_tag ? 'tags' : 'branches' };
+       my ($lft, $rgt) = @{ $glob->{path} }{qw/left right/};
+       my $dst = join '/', $remote->{url}, $lft, $branch_name, ($rgt || ());
+
+       my $ctx = SVN::Client->new(
+               auth    => Git::SVN::Ra::_auth_providers(),
+               log_msg => sub {
+                       ${ $_[0] } = defined $_message
+                               ? $_message
+                               : 'Create ' . ($_tag ? 'tag ' : 'branch ' )
+                               . $branch_name;
+               },
+       );
+
+       eval {
+               $ctx->ls($dst, 'HEAD', 0);
+       } and die "branch ${branch_name} already exists\n";
+
+       print "Copying ${src} at r${rev} to ${dst}...\n";
+       $ctx->copy($src, $rev, $dst)
+               unless $_dry_run;
+
+       $gs->fetch_all;
+}
+
 sub cmd_find_rev {
        my $revision_or_hash = shift or die "SVN or git revision required ",
                                            "as a command-line argument\n";