[PATCH] git svn : hook before 'git svn dcommit'

["Frédéric Heitzmann" <frederic.heitzmann@gmail.com>]

The 'pre-svn-dcommit' hook si called before 'git svn dcommit', which aborts
if return value is not zero.
---
  git-svn.perl |   19 +++++++++++++++++++
  1 files changed, 19 insertions(+), 0 deletions(-)

diff --git a/git-svn.perl b/git-svn.perl
index 89f83fd..e70afae 100755
--- a/git-svn.perl
+++ b/git-svn.perl
@@ -396,6 +396,23 @@ sub init_subdir {
         $_repository = Git->repository(Repository => $ENV{GIT_DIR});
  }

+sub pre_svn_dcommit_hook {
+       my $hook = "$ENV{GIT_DIR}/hooks/pre-svn-dcommit";
+       return 0 if ! -e $hook || ! -x $hook;
+
+       system($hook);
+       if ($? == -1) {
+               print "[pre_svn_dcommit_hook] failed to execute $hook: 
$!\n";
+               return 1;
+       } elsif ($? & 127) {
+               printf "[pre_svn_dcommit_hook] child died with signal 
%d, %s coredump\n",
+               ($? & 127),  ($? & 128) ? 'with' : 'without';
+               return 1;
+       } else {
+               return $? >> 8;
+       }
+}
+
  sub cmd_clone {
         my ($url, $path) = @_;
         if (!defined $path &&
@@ -518,6 +535,8 @@ sub cmd_dcommit {
                 command(['checkout', $head], STDERR => 0);
         }

+       return if pre_svn_dcommit_hook();
+
         my @refs;
         my ($url, $rev, $uuid, $gs) = working_head_info('HEAD', \@refs);
         unless ($gs) {
--