git: speed up Git->new by 5% or so

This becomes noticeable when loading lots of coderepos on
my local mirror of git.kernel.org now that we can load repos
from cindex.

1 files changed, 2 insertions, 1 deletions

diff --git a/lib/PublicInbox/Git.pm b/lib/PublicInbox/Git.pm
index a374649f..235a35cd 100644
--- a/lib/PublicInbox/Git.pm
+++ b/lib/PublicInbox/Git.pm
@@ -91,8 +91,9 @@ sub git_quote ($) {
 
 sub new {
         my ($class, $git_dir) = @_;
+        $git_dir .= '/';
         $git_dir =~ tr!/!/!s;
-        $git_dir =~ s!/*\z!!s;
+        chop $git_dir;
         # may contain {-tmp} field for File::Temp::Dir
         bless { git_dir => $git_dir }, $class
 }