git-debrebase: fix parents in generated commits (!)

diff --git a/git-debrebase b/git-debrebase
index f73bf0c1d8489e7a1535231a3eb6eab5de93d4ed..b4eb684debdbfdab8e19c27cec62fe08fc363f8c 100755 (executable)
--- a/git-debrebase
+++ b/git-debrebase
@@ -665,7 +665,7 @@ sub walk ($;$$) {
            $ch =~ s{^tree .*}{tree $newtree}m or confess "$ch ?";
            $ch =~ s{^parent .*\n}{}m;
            $ch =~ s{(?=^author)}{
-               map { "parent $_\n" } @parents
+               join '', map { "parent $_\n" } @parents
            }me or confess "$ch ?";
            if ($rewriting) {
                $ch =~ s{^committer .*$}{$committer_authline}m