git: add support for qx wrapper

This lets us one-line git commands easily like ``, but without
having to remember --git-dir or escape arguments.

1 files changed, 8 insertions, 0 deletions

diff --git a/lib/PublicInbox/Git.pm b/lib/PublicInbox/Git.pm
index 0f92dd9a..c406c031 100644
--- a/lib/PublicInbox/Git.pm
+++ b/lib/PublicInbox/Git.pm
@@ -117,6 +117,14 @@ sub popen {
         popen_rd(\@cmd);
 }
 
+sub qx {
+        my ($self, @cmd) = @_;
+        my $fh = $self->popen(@cmd);
+        return <$fh> if wantarray;
+        local $/;
+        <$fh>
+}
+
 sub cleanup {
         my ($self) = @_;
         _destroy($self, qw(in out pid));