[PATCH 2/6] lei view_text: used tied ProcessPipe for `git config'

[Eric Wong]

The code exists and is loaded anyways, so we might as well
save an explicit call to waitpid.  Noticed while checking
over our uses of `git config'
---
 lib/PublicInbox/LeiViewText.pm | 9 ++++-----
 1 file changed, 4 insertions(+), 5 deletions(-)

diff --git a/lib/PublicInbox/LeiViewText.pm b/lib/PublicInbox/LeiViewText.pm
index 53555467..70441867 100644
--- a/lib/PublicInbox/LeiViewText.pm
+++ b/lib/PublicInbox/LeiViewText.pm
@@ -72,12 +72,11 @@ sub new {
        my $self = bless { %{$lei->{opt}}, -colored => \&uncolored }, $cls;
        $self->{-quote_reply} = 1 if $fmt eq 'reply';
        return $self unless $self->{color} //= -t $lei->{1};
-       my $cmd = [ qw(git config -z --includes -l) ];
-       my ($r, $pid) = popen_rd($cmd, undef, { 2 => $lei->{2} });
+       my @cmd = qw(git config -z --includes -l); # reuse normal git config
+       my $r = popen_rd(\@cmd, undef, { 2 => $lei->{2} });
        my $cfg = PublicInbox::Config::config_fh_parse($r, "\0", "\n");
-       waitpid($pid, 0);
-       if ($?) {
-               warn "# git-config failed, no color (non-fatal)\n";
+       if (!close($r)) {
+               warn "# @cmd failed, no color (non-fatal \$?=$?)\n";
                return $self;
        }
        $self->{-colored} = \&my_colored;