expose a helper function peel_to_type().

diff --git a/git-svn.perl b/git-svn.perl
index 6cc3157e229f9cc2e4604a872efad16ce27f0323..05fb3582d92e05e6b95ff8f249ae2ecb9892b45b 100755 (executable)
--- a/git-svn.perl
+++ b/git-svn.perl
@@ -186,6 +186,9 @@ BEGIN
                    "Show info about the latest SVN revision
                     on the current branch",
                    { 'url' => \$_url, } ],
+       'blame' => [ \&Git::SVN::Log::cmd_blame,
+                   "Show what revision and author last modified each line of a file",
+                   {} ],
 );
 
 my $cmd;
@@ -2229,7 +2232,12 @@ sub find_parent_branch {
                # just grow a tail if we're not unique enough :x
                $ref_id .= '-' while find_ref($ref_id);
                print STDERR "Initializing parent: $ref_id\n";
-               $gs = Git::SVN->init($new_url, '', $ref_id, $ref_id, 1);
+               my ($u, $p) = ($new_url, '');
+               if ($u =~ s#^\Q$url\E(/|$)##) {
+                       $p = $u;
+                       $u = $url;
+               }
+               $gs = Git::SVN->init($u, $p, $self->{repo_id}, $ref_id, 1);
        }
        my ($r0, $parent) = $gs->find_rev_before($r, 1);
        if (!defined $r0 || !defined $parent) {
@@ -4443,6 +4451,24 @@ sub cmd_show_log {
        print commit_log_separator unless $incremental || $oneline;
 }
 
+sub cmd_blame {
+       my $path = shift;
+
+       config_pager();
+       run_pager();
+
+       my ($fh, $ctx) = command_output_pipe('blame', @_, $path);
+       while (my $line = <$fh>) {
+               if ($line =~ /^\^?([[:xdigit:]]+)\s/) {
+                       my (undef, $rev, undef) = ::cmt_metadata($1);
+                       $rev = sprintf('%-10s', $rev);
+                       $line =~ s/^\^?[[:xdigit:]]+(\s)/$rev$1/;
+               }
+               print $line;
+       }
+       command_close_pipe($fh, $ctx);
+}
+
 package Git::SVN::Migration;
 # these version numbers do NOT correspond to actual version numbers
 # of git nor git-svn.  They are just relative.