favor "--git-dir=..." over "--git-dir ..."

This might improve grep-ability slightly and reduce allocations
while we're at it.

1 files changed, 2 insertions, 2 deletions

diff --git a/lib/PublicInbox/GitCatFile.pm b/lib/PublicInbox/GitCatFile.pm
index bdad2b56..b3d9bfb7 100644
--- a/lib/PublicInbox/GitCatFile.pm
+++ b/lib/PublicInbox/GitCatFile.pm
@@ -17,8 +17,8 @@ sub _cat_file_begin {
         my ($self) = @_;
         return if $self->{pid};
         my ($in, $out);
-        my $pid = open2($in, $out, 'git', '--git-dir', $self->{git_dir},
-                        'cat-file', '--batch');
+        my $pid = open2($in, $out, 'git', "--git-dir=$self->{git_dir}",
+                        qw(cat-file --batch));
 
         $self->{pid} = $pid;
         $self->{in} = $in;