svn: Honor --prefix option in init without --stdlayout

Most users who type

  git svn init file:///tmp/repo --prefix=my-svn/

would expect the root of the svn repository to be tracked by
refs/remotes/my-svn/git-svn.

Acked-by: Eric Wong <normalperson@yhbt.net>

diff --git a/git-svn.perl b/git-svn.perl
index d0758107249f3743795d0961d36906452ac7d00a..fa8583963bcadf9330008049ef7dcf1cbd24722f 100755 (executable)
--- a/git-svn.perl
+++ b/git-svn.perl
@@ -3317,7 +3317,8 @@ sub _new {
                $repo_id = $Git::SVN::default_repo_id;
        }
        unless (defined $ref_id && length $ref_id) {
-               $_[2] = $ref_id = $Git::SVN::default_ref_id;
+               $_prefix = '' unless defined($_prefix);
+               $_[2] = $ref_id = $_prefix . $Git::SVN::default_ref_id;
        }
        $_[1] = $repo_id;
        my $dir = "$ENV{GIT_DIR}/svn/$ref_id";