Merge branch 'maint-1.5.6' into maint-1.6.0

diff --git a/git-svn.perl b/git-svn.perl
index 56238dad088d6da98f7285f74645814e6bb0fe9b..25ed2f43335bfa717d9bbc1a799c7841c25b1cc0 100755 (executable)
--- a/git-svn.perl
+++ b/git-svn.perl
@@ -2318,12 +2318,20 @@ sub find_parent_branch {
                $gs = Git::SVN->init($u, $p, $repo_id, $ref_id, 1);
        }
        my ($r0, $parent) = $gs->find_rev_before($r, 1);
-       if (!defined $r0 || !defined $parent) {
-               my ($base, $head) = parse_revision_argument(0, $r);
-               if ($base <= $r) {
+       {
+               my ($base, $head);
+               if (!defined $r0 || !defined $parent) {
+                       ($base, $head) = parse_revision_argument(0, $r);
+               } else {
+                       if ($r0 < $r) {
+                               $gs->ra->get_log([$gs->{path}], $r0 + 1, $r, 1,
+                                       0, 1, sub { $base = $_[1] - 1 });
+                       }
+               }
+               if (defined $base && $base <= $r) {
                        $gs->fetch($base, $r);
                }
-               ($r0, $parent) = $gs->last_rev_commit;
+               ($r0, $parent) = $gs->find_rev_before($r, 1);
        }
        if (defined $r0 && defined $parent) {
                print STDERR "Found branch parent: ($self->{ref_id}) $parent\n";