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authorLibravatar Jeff King <peff@peff.net>2016-09-26 08:00:04 -0400
committerLibravatar Junio C Hamano <gitster@pobox.com>2016-09-26 11:46:39 -0700
commit0016043bf46f4b85054c61f9000ccc58d0ef4ad7 (patch)
tree070243d7f87b4c4ac9f93006f2c40c7138bee83b /t/t5515/refs.br-unconfig_branches-default
parentget_short_sha1: parse tags when looking for treeish (diff)
downloadtgif-0016043bf46f4b85054c61f9000ccc58d0ef4ad7.tar.xz
get_short_sha1: refactor init of disambiguation code
The disambiguation machinery has two callers: get_short_sha1 and for_each_abbrev. Both need to repeat much of the same setup: declaring buffers, sanity-checking lengths, preparing the prefixes, etc. Let's pull that into a single init function so we can avoid repeating ourselves. Pulling the buffers into the "struct disambiguate_state" isn't strictly necessary, but it does make things simpler for the callers, who no longer have to worry about sizing them correctly (i.e., it's an implicit requirement that the caller provide 20- and 40-byte buffers). And while we're touching this code, we can convert any magic-number sizes to the more modern GIT_SHA1_* constants. Signed-off-by: Jeff King <peff@peff.net> Signed-off-by: Junio C Hamano <gitster@pobox.com>
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