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authorLibravatar Jeff King <peff@peff.net>2016-09-26 07:59:48 -0400
committerLibravatar Junio C Hamano <gitster@pobox.com>2016-09-26 11:46:30 -0700
commit5d5def2aa56dc9b6d4eccfb333fd08aa713733e7 (patch)
tree61636febb07a64389941604c109e72958a022d9b /tag.c
parentget_sha1: propagate flags to child functions (diff)
downloadtgif-5d5def2aa56dc9b6d4eccfb333fd08aa713733e7.tar.xz
get_short_sha1: parse tags when looking for treeish
The treeish disambiguation function tries to peel tags, but it does so by calling: deref_tag(lookup_object(sha1), ...); This will only work if we have previously looked at the tag and created a "struct tag" for it. Since parsing revision arguments typically happens before anything else, this is usually not the case, and we would fail to peel the tag (we are lucky that deref_tag() gracefully handles the NULL and does not segfault). Instead, we can use parse_object(). Note that this is the same fix done by 94d75d1 (get_short_sha1(): correctly disambiguate type-limited abbreviation, 2013-07-01), but that commit fixed only the committish disambiguator, and left the bug in the treeish one. Signed-off-by: Jeff King <peff@peff.net> Signed-off-by: Junio C Hamano <gitster@pobox.com>
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