From: Junio C Hamano <gitster@pobox.com>
Date: Tue, 9 Apr 2019 17:14:24 +0000 (+0900)
Subject: Merge branch 'ms/worktree-add-atomic-mkdir'
X-Git-Tag: v2.22.0-rc0~126
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=20fe798b1bf301f78485a56381ad8dad48b2c670;p=git

Merge branch 'ms/worktree-add-atomic-mkdir'

"git worktree add" used to do a "find an available name with stat
and then mkdir", which is race-prone.  This has been fixed by using
mkdir and reacting to EEXIST in a loop.

* ms/worktree-add-atomic-mkdir:
  worktree: fix worktree add race
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20fe798b1bf301f78485a56381ad8dad48b2c670