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-rwxr-xr-xt/t3200-branch.sh13
1 files changed, 13 insertions, 0 deletions
diff --git a/t/t3200-branch.sh b/t/t3200-branch.sh
index 9f353c0efc..c5c371888b 100755
--- a/t/t3200-branch.sh
+++ b/t/t3200-branch.sh
@@ -145,6 +145,19 @@ test_expect_success 'git branch -M baz bam should add entries to .git/logs/HEAD'
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 '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 &&