Add 'git svn help [cmd]' which works outside a repo.

diff --git a/git-svn.perl b/git-svn.perl
index 33fe34cbacfab18ccb0b2fbd53052e90f45e95a9..da1e1f64e9f3da06f687b447e448ad5bc6079072 100755 (executable)
--- a/git-svn.perl
+++ b/git-svn.perl
@@ -219,6 +219,9 @@ BEGIN
                $cmd = $ARGV[$i];
                splice @ARGV, $i, 1;
                last;
+       } elsif ($ARGV[$i] eq 'help') {
+               $cmd = $ARGV[$i+1];
+               usage(0);
        }
 };