spawn: allow passing GLOB handles for redirects

We can save callers the trouble of {-hold} and {-dev_null}
refs as well as the trouble of calling fileno().

1 files changed, 2 insertions, 2 deletions

diff --git a/lib/PublicInbox/Git.pm b/lib/PublicInbox/Git.pm
index af3a5712..8d587469 100644
--- a/lib/PublicInbox/Git.pm
+++ b/lib/PublicInbox/Git.pm
@@ -114,12 +114,12 @@ sub _bidi_pipe {
 
         my @cmd = (qw(git), "--git-dir=$self->{git_dir}",
                         qw(-c core.abbrev=40 cat-file), $batch);
-        my $redir = { 0 => fileno($out_r), 1 => fileno($in_w) };
+        my $redir = { 0 => $out_r, 1 => $in_w };
         if ($err) {
                 my $id = "git.$self->{git_dir}$batch.err";
                 my $fh = tmpfile($id) or fail($self, "tmpfile($id): $!");
                 $self->{$err} = $fh;
-                $redir->{2} = fileno($fh);
+                $redir->{2} = $fh;
         }
         my $p = spawn(\@cmd, undef, $redir);
         defined $p or fail($self, "spawn failed: $!");