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authorLibravatar Elijah Newren <newren@gmail.com>2018-05-23 23:27:33 -0700
committerLibravatar Junio C Hamano <gitster@pobox.com>2018-05-25 10:46:42 +0900
commit0ed556d38f90f940fdd2d9e6360b4a7544cd34e8 (patch)
tree75542f8e12d2fd651100b0420e7f3af2a60f9930 /t/t7112-reset-submodule.sh
parentGit 2.16.3 (diff)
downloadtgif-0ed556d38f90f940fdd2d9e6360b4a7544cd34e8.tar.xz
rev-parse: check lookup'ed commit references for NULL
Commits 2122f8b963d4 ("rev-parse: Add support for the ^! and ^@ syntax", 2008-07-26) and 3dd4e7320d ("Teach rev-parse the ... syntax.", 2006-07-04) taught rev-parse new syntax, and used lookup_commit_reference() as part of their logic. Neither usage checked the returned commit to see if it was non-NULL before using it. Check for NULL and ensure an appropriate error is reported to the user. Reported by Florian Weimer and Todd Zullinger. Helped-by: Jeff King <peff@peff.net> Signed-off-by: Elijah Newren <newren@gmail.com> Reviewed-by: Jeff King <peff@peff.net> Signed-off-by: Junio C Hamano <gitster@pobox.com>
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