From: Junio C Hamano <gitster@pobox.com>
Date: Tue, 21 Mar 2017 22:03:29 +0000 (-0700)
Subject: Merge branch 'jk/show-branch-lift-name-len-limit' into maint
X-Git-Tag: v2.12.2~14
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=93abd178716c20024422f902d2f0bc560be44dc7;p=thirdparty%2Fgit.git

Merge branch 'jk/show-branch-lift-name-len-limit' into maint

"git show-branch" expected there were only very short branch names
in the repository and used a fixed-length buffer to hold them
without checking for overflow.

* jk/show-branch-lift-name-len-limit:
  show-branch: use skip_prefix to drop magic numbers
  show-branch: store resolved head in heap buffer
  show-branch: drop head_len variable
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93abd178716c20024422f902d2f0bc560be44dc7