[PATCH] Force the medium pretty format on calls to git log

If a user as set a format.pretty in his config, git-svn rebase will fail with:

Unable to determine upstream SVN information from working tree history

We need to force the medium format to obtain the needed information from the log.

Signed-off-by: Pedro Melo <redacted>
---
 git-svn.perl |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/git-svn.perl b/git-svn.perl
index 81afb5c..b864b54 100755
--- a/git-svn.perl
+++ b/git-svn.perl

@@ -1120,7 +1120,7 @@ sub cmt_metadata {
 
 sub working_head_info {
 	my ($head, $refs) = @_;
-	my @args = ('log', '--no-color', '--first-parent');
+	my @args = ('log', '--no-color', '--first-parent', '--pretty=medium');
 	my ($fh, $ctx) = command_output_pipe(@args, $head);
 	my $hash;
 	my %max;

-- 
1.5.5.23.g2a5f