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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-09 13:34:27 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-09 13:34:27 +0000
commit4dbdc42d9e7c3968ff7f690d00680419c9b8cb0f (patch)
tree47c1d492e9c956c1cd2b74dbd3b9d8b0db44dc4e /t/t2011-checkout-invalid-head.sh
parentInitial commit. (diff)
downloadgit-4dbdc42d9e7c3968ff7f690d00680419c9b8cb0f.tar.xz
git-4dbdc42d9e7c3968ff7f690d00680419c9b8cb0f.zip
Adding upstream version 1:2.43.0.upstream/1%2.43.0
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 't/t2011-checkout-invalid-head.sh')
-rwxr-xr-xt/t2011-checkout-invalid-head.sh65
1 files changed, 65 insertions, 0 deletions
diff --git a/t/t2011-checkout-invalid-head.sh b/t/t2011-checkout-invalid-head.sh
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+#!/bin/sh
+
+test_description='checkout switching away from an invalid 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' '
+ echo hello >world &&
+ git add world &&
+ git commit -m initial
+'
+
+test_expect_success 'checkout should not start branch from a tree' '
+ test_must_fail git checkout -b newbranch main^{tree}
+'
+
+test_expect_success 'checkout main from invalid HEAD' '
+ echo $ZERO_OID >.git/HEAD &&
+ git checkout main --
+'
+
+test_expect_success 'checkout notices failure to lock HEAD' '
+ test_when_finished "rm -f .git/HEAD.lock" &&
+ >.git/HEAD.lock &&
+ test_must_fail git checkout -b other
+'
+
+test_expect_success 'create ref directory/file conflict scenario' '
+ git update-ref refs/heads/outer/inner main &&
+
+ # do not rely on symbolic-ref to get a known state,
+ # as it may use the same code we are testing
+ reset_to_df () {
+ echo "ref: refs/heads/outer" >.git/HEAD
+ }
+'
+
+test_expect_success 'checkout away from d/f HEAD (unpacked, to branch)' '
+ reset_to_df &&
+ git checkout main
+'
+
+test_expect_success 'checkout away from d/f HEAD (unpacked, to detached)' '
+ reset_to_df &&
+ git checkout --detach main
+'
+
+test_expect_success 'pack refs' '
+ git pack-refs --all --prune
+'
+
+test_expect_success 'checkout away from d/f HEAD (packed, to branch)' '
+ reset_to_df &&
+ git checkout main
+'
+
+test_expect_success 'checkout away from d/f HEAD (packed, to detached)' '
+ reset_to_df &&
+ git checkout --detach main
+'
+test_done