test $(git rev-parse --abbrev-ref HEAD) = bam
'
+test_expect_success 'git branch -M baz bam should add entries to .git/logs/HEAD' '
+ msg="Branch: renamed refs/heads/baz to refs/heads/bam" &&
+ grep " 0\{40\}.*$msg$" .git/logs/HEAD &&
+ grep "^0\{40\}.*$msg$" .git/logs/HEAD
+'
+
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 &&