From dc14841102bb364c2be200e8456146fc8df970b9 Mon Sep 17 00:00:00 2001
From: Linus Torvalds <torvalds@ppc970.osdl.org>
Date: Tue, 21 Jun 2005 11:14:47 -0700
Subject: [PATCH] git checkout: fix default head case

The "${new=$old}" syntax only works for an undefined 'new', not for an
empty one. I knew that. Really. I'm not stupid.
---
 git-checkout-script | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/git-checkout-script b/git-checkout-script
index a3bfae79d..5b49662e6 100755
--- a/git-checkout-script
+++ b/git-checkout-script
@@ -29,7 +29,7 @@ while [ "$#" != "0" ]; do
     esac
     i=$(($i+1))
 done
-: ${new=$old}
+[ -z "$new" ] && new=$old
 
 if [ "$force" ]
 then
-- 
2.26.2