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| | #!/bin/sh
test_description='checkout switching away from an invalid branch'
. ./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
|