Adding upstream version 1:2.43.0.upstream/1%2.43.0

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 65 insertions, 0 deletions

diff --git a/t/t2015-checkout-unborn.sh b/t/t2015-checkout-unborn.sh
new file mode 100755
index 0000000..fb0e138
--- /dev/null
+++ b/t/t2015-checkout-unborn.sh
@@ -0,0 +1,65 @@
+#!/bin/sh
+
+test_description='checkout from unborn branch'
+GIT_TEST_DEFAULT_INITIAL_BRANCH_NAME=main
+export GIT_TEST_DEFAULT_INITIAL_BRANCH_NAME
+
+TEST_PASSES_SANITIZE_LEAK=true
+. ./test-lib.sh
+
+test_expect_success 'setup' '
+	mkdir parent &&
+	(
+		cd parent &&
+		git init &&
+		echo content >file &&
+		git add file &&
+		git commit -m base
+	) &&
+	git fetch parent main:origin
+'
+
+test_expect_success 'checkout from unborn preserves untracked files' '
+	echo precious >expect &&
+	echo precious >file &&
+	test_must_fail git checkout -b new origin &&
+	test_cmp expect file
+'
+
+test_expect_success 'checkout from unborn preserves index contents' '
+	echo precious >expect &&
+	echo precious >file &&
+	git add file &&
+	test_must_fail git checkout -b new origin &&
+	test_cmp expect file &&
+	git show :file >file &&
+	test_cmp expect file
+'
+
+test_expect_success 'checkout from unborn merges identical index contents' '
+	echo content >file &&
+	git add file &&
+	git checkout -b new origin
+'
+
+test_expect_success 'checking out another branch from unborn state' '
+	git checkout --orphan newroot &&
+	git checkout -b anothername &&
+	test_must_fail git show-ref --verify refs/heads/newroot &&
+	git symbolic-ref HEAD >actual &&
+	echo refs/heads/anothername >expect &&
+	test_cmp expect actual
+'
+
+test_expect_success 'checking out in a newly created repo' '
+	test_create_repo empty &&
+	(
+		cd empty &&
+		git symbolic-ref HEAD >expect &&
+		test_must_fail git checkout &&
+		git symbolic-ref HEAD >actual &&
+		test_cmp expect actual
+	)
+'
+
+test_done