From d8b24b930f5b7150e63d989de39eb71bd37e8e63 Mon Sep 17 00:00:00 2001
From: Christian Jaeger <christian@jaeger.mine.nu>
Date: Sat, 18 Oct 2008 20:25:12 +0200
Subject: [PATCH] Git.pm: do not break inheritance

Make it possible to write subclasses of Git.pm

Signed-off-by: Christian Jaeger <christian@jaeger.mine.nu>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
---
 perl/Git.pm | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/perl/Git.pm b/perl/Git.pm
index 6aab712e6a..ba94453781 100644
--- a/perl/Git.pm
+++ b/perl/Git.pm
@@ -1203,8 +1203,7 @@ either version 2, or (at your option) any later version.
 # the method was called upon an instance and (undef, @args) if
 # it was called directly.
 sub _maybe_self {
-	# This breaks inheritance. Oh well.
-	ref $_[0] eq 'Git' ? @_ : (undef, @_);
+	UNIVERSAL::isa($_[0], 'Git') ? @_ : (undef, @_);
 }
 
 # Check if the command id is something reasonable.