[jc: just forwarding to the area expert]
Jeremy Huddleston Sequoia <jeremyhu@xxxxxxxxx> writes:
> From: Matt Wright <mww@xxxxxxxxx>
>
> Signed-off-by: Matt Wright <mww@xxxxxxxxx>
> ---
> git-svn.perl | 30 ++++++++++++++++++++++++++++++
> 1 file changed, 30 insertions(+)
>
> diff --git a/git-svn.perl b/git-svn.perl
> index 050f2a36f4..d29730be3b 100755
> --- a/git-svn.perl
> +++ b/git-svn.perl
> @@ -1815,6 +1815,36 @@ sub complete_url_ls_init {
>
> sub verify_ref {
> my ($ref) = @_;
> +
> + if ($ref =~ /^(.*)\^0$/) {
> + my $baseref = $1;
> + my $p = "$ENV{GIT_DIR}/$baseref";
> + $p = "$ENV{GIT_DIR}/refs/remotes/$baseref" unless -e $p;
> + $p = "$ENV{GIT_DIR}/refs/$baseref" unless -e $p;
> + $p = "$ENV{GIT_DIR}/refs/heads/$baseref" unless -e $p;
> +
> + my $resolved = undef;
> + if (-e $p) {
> + open FH, $p;
> + $resolved = <FH>;
> + chomp $resolved;
> + close FH;
> + } elsif (-e "$ENV{GIT_DIR}/packed-refs") {
> + open FH, "$ENV{GIT_DIR}/packed-refs";
> + while (<FH>) {
> + if ($_ =~ /^([0-9a-fA-F]+) ((refs\/)?(remotes\/|heads\/|\/)?$baseref)$/) {
> + $resolved = $1;
> + last;
> + }
> + }
> + }
> +
> + if (defined($resolved)) {
> + return verify_ref("$1^0") if $resolved =~ /^ref: (.*)$/;
> + return $resolved
> + }
> + }
> +
> eval { command_oneline([ 'rev-parse', '--verify', $ref ],
> { STDERR => 0 }); };
> }
