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|
#!/bin/sh
test_description='checkout into detached HEAD state'
. ./test-lib.sh
check_detached () {
test_must_fail git symbolic-ref -q HEAD >/dev/null
}
check_not_detached () {
git symbolic-ref -q HEAD >/dev/null
}
reset () {
git checkout master &&
check_not_detached
}
test_expect_success 'setup' '
test_commit one &&
test_commit two &&
git branch branch &&
git tag tag
'
test_expect_success 'checkout branch does not detach' '
reset &&
git checkout branch &&
check_not_detached
'
test_expect_success 'checkout tag detaches' '
reset &&
git checkout tag &&
check_detached
'
test_expect_success 'checkout branch by full name detaches' '
reset &&
git checkout refs/heads/branch &&
check_detached
'
test_expect_success 'checkout non-ref detaches' '
reset &&
git checkout branch^ &&
check_detached
'
test_expect_success 'checkout ref^0 detaches' '
reset &&
git checkout branch^0 &&
check_detached
'
test_expect_success 'checkout --detach detaches' '
reset &&
git checkout --detach branch &&
check_detached
'
test_expect_success 'checkout --detach without branch name' '
reset &&
git checkout --detach &&
check_detached
'
test_expect_success 'checkout --detach errors out for non-commit' '
reset &&
test_must_fail git checkout --detach one^{tree} &&
check_not_detached
'
test_expect_success 'checkout --detach errors out for extra argument' '
reset &&
git checkout master &&
test_must_fail git checkout --detach tag one.t &&
check_not_detached
'
test_expect_success 'checkout --detached and -b are incompatible' '
reset &&
test_must_fail git checkout --detach -b newbranch tag &&
check_not_detached
'
test_expect_success 'checkout --detach moves HEAD' '
reset &&
git checkout one &&
git checkout --detach two &&
git diff --exit-code HEAD &&
git diff --exit-code two
'
test_done
|
