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authorStephan Beyer <s-beyer@gmx.net>2009-01-16 20:09:58 +0100
committerJunio C Hamano <gitster@pobox.com>2009-01-17 17:16:16 -0800
commit2292ce4785170d5502c4c9ea860bb73c6379f029 (patch)
treeb764048f49ea7e79fad3cd712938bee8cbf6622f /run-command.h
parent7bbd8d6c139f163ee26b8416cd227408888f31c3 (diff)
downloadgit-2292ce4785170d5502c4c9ea860bb73c6379f029.tar.gz
git-2292ce4785170d5502c4c9ea860bb73c6379f029.tar.xz
checkout: don't crash on file checkout before running post-checkout hook
In the case of git init echo exit >.git/hooks/post-checkout chmod +x .git/hooks/post-checkout touch foo git add foo rm foo git checkout -- foo git-checkout resulted in a Segmentation fault, because there is no new branch set for the post-checkout hook. This patch makes use of the null SHA as it is set for the old branch. While at it, I removed the xstrdup() around the sha1_to_hex(...) calls in builtin-checkout.c/post_checkout_hook() because sha1_to_hex() uses four buffers for the hex-dumped SHA and we only need two. (Duplicating one buffer is only needed if we need more than four.) Signed-off-by: Stephan Beyer <s-beyer@gmx.net> Signed-off-by: Junio C Hamano <gitster@pobox.com>
Diffstat (limited to 'run-command.h')
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