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32669671c7
For example, one might use this when making a temporary merge to test that two topics work well together. Patch by Junio, with tests from Jeff King. [jn: with some extra checks for bogus commandline usage] Suggested-by: Jeff King <peff@peff.net> Signed-off-by: Junio C Hamano <gitster@pobox.com> Signed-off-by: Jonathan Nieder <jrnieder@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
95 lines
1.8 KiB
Bash
Executable file
95 lines
1.8 KiB
Bash
Executable file
#!/bin/sh
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test_description='checkout into detached HEAD state'
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. ./test-lib.sh
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check_detached () {
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test_must_fail git symbolic-ref -q HEAD >/dev/null
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}
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check_not_detached () {
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git symbolic-ref -q HEAD >/dev/null
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}
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reset () {
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git checkout master &&
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check_not_detached
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}
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test_expect_success 'setup' '
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test_commit one &&
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test_commit two &&
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git branch branch &&
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git tag tag
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'
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test_expect_success 'checkout branch does not detach' '
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reset &&
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git checkout branch &&
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check_not_detached
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'
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test_expect_success 'checkout tag detaches' '
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reset &&
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git checkout tag &&
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check_detached
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'
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test_expect_success 'checkout branch by full name detaches' '
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reset &&
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git checkout refs/heads/branch &&
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check_detached
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'
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test_expect_success 'checkout non-ref detaches' '
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reset &&
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git checkout branch^ &&
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check_detached
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'
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test_expect_success 'checkout ref^0 detaches' '
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reset &&
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git checkout branch^0 &&
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check_detached
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'
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test_expect_success 'checkout --detach detaches' '
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reset &&
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git checkout --detach branch &&
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check_detached
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'
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test_expect_success 'checkout --detach without branch name' '
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reset &&
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git checkout --detach &&
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check_detached
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'
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test_expect_success 'checkout --detach errors out for non-commit' '
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reset &&
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test_must_fail git checkout --detach one^{tree} &&
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check_not_detached
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'
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test_expect_success 'checkout --detach errors out for extra argument' '
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reset &&
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git checkout master &&
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test_must_fail git checkout --detach tag one.t &&
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check_not_detached
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'
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test_expect_success 'checkout --detached and -b are incompatible' '
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reset &&
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test_must_fail git checkout --detach -b newbranch tag &&
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check_not_detached
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'
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test_expect_success 'checkout --detach moves HEAD' '
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reset &&
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git checkout one &&
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git checkout --detach two &&
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git diff --exit-code HEAD &&
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git diff --exit-code two
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'
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test_done
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