From: Junio C Hamano <gitster@pobox.com>
Date: Sun, 10 Sep 2017 08:08:23 +0000 (+0900)
Subject: Merge branch 'nd/worktree-kill-parse-ref'
X-Git-Tag: v2.15.0-rc0~104
X-Git-Url: https://git.lorimer.id.au/gitweb.git/diff_plain/79553b94f966f3cec6156a68001650ca26a584c4

Merge branch 'nd/worktree-kill-parse-ref'

"git branch -M a b" while on a branch that is completely unrelated
to either branch a or branch b misbehaved when multiple worktree
was in use.  This has been fixed.

* nd/worktree-kill-parse-ref:
branch: fix branch renaming not updating HEADs correctly
---

79553b94f966f3cec6156a68001650ca26a584c4
diff --cc t/t3200-branch.sh
index 51738fb969,c5c371888b..d971649979
--- a/t/t3200-branch.sh
+++ b/t/t3200-branch.sh
@@@ -162,16 -145,19 +162,29 @@@ test_expect_success 'git branch -M baz 
  	grep "^0\{40\}.*$msg$" .git/logs/HEAD
  '
  
+ test_expect_success 'git branch -M should leave orphaned HEAD alone' '
+ 	git init orphan &&
+ 	(
+ 		cd orphan &&
+ 		test_commit initial &&
+ 		git checkout --orphan lonely &&
+ 		grep lonely .git/HEAD &&
+ 		test_path_is_missing .git/refs/head/lonely &&
+ 		git branch -M master mistress &&
+ 		grep lonely .git/HEAD
+ 	)
+ '
+ 
 +test_expect_success 'resulting reflog can be shown by log -g' '
 +	oid=$(git rev-parse HEAD) &&
 +	cat >expect <<-EOF &&
 +	HEAD@{0} $oid $msg
 +	HEAD@{2} $oid checkout: moving from foo to baz
 +	EOF
 +	git log -g --format="%gd %H %gs" -2 HEAD >actual &&
 +	test_cmp expect actual
 +'
 +
  test_expect_success 'git branch -M baz bam should succeed when baz is checked out as linked working tree' '
  	git checkout master &&
  	git worktree add -b baz bazdir &&