replace: make sure --edit results in a different object
commitf22166b5fee7dc3deaf44dda31d1b5d7ac1fdfd8
authorChristian Couder <chriscool@tuxfamily.org>
Sat, 17 May 2014 12:16:34 +0000 (17 14:16 +0200)
committerJunio C Hamano <gitster@pobox.com>
Mon, 19 May 2014 20:39:53 +0000 (19 13:39 -0700)
tree713b6c5f4517245c4547adb7646b900e0f0f89a3
parentb892bb45eacb484be281a992bef66ea723210717
replace: make sure --edit results in a different object

It's a bad idea to create a replace ref for an object
that points to the original object itself.

That's why we have to check if the result from editing
the original object is a different object and error out
if it isn't.

Signed-off-by: Christian Couder <chriscool@tuxfamily.org>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
builtin/replace.c