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https://github.com/git/git
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1dbe401563
"git show-ref --verify" is useful for scripts that want to look up a
fully qualified refname without falling back to the DWIM rules used by
"git rev-parse" rules when the ref does not exist. Currently it will
only accept "HEAD" or a refname beginning with "refs/". Running
git show-ref --verify CHERRY_PICK_HEAD
will always result in
fatal: 'CHERRY_PICK_HEAD' - not a valid ref
even when CHERRY_PICK_HEAD exists. By calling refname_is_safe() instead
of comparing the refname to "HEAD" we can accept all one-level refs that
contain only uppercase ascii letters and underscores.
Signed-off-by: Phillip Wood <phillip.wood@dunelm.org.uk>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
289 lines
7.8 KiB
Bash
Executable file
289 lines
7.8 KiB
Bash
Executable file
#!/bin/sh
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test_description='show-ref'
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GIT_TEST_DEFAULT_INITIAL_BRANCH_NAME=main
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export GIT_TEST_DEFAULT_INITIAL_BRANCH_NAME
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TEST_PASSES_SANITIZE_LEAK=true
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. ./test-lib.sh
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test_expect_success setup '
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test_commit --annotate A &&
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git checkout -b side &&
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test_commit --annotate B &&
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git checkout main &&
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test_commit C &&
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git branch B A^0
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'
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test_expect_success 'show-ref' '
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echo $(git rev-parse refs/tags/A) refs/tags/A >expect &&
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git show-ref A >actual &&
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test_cmp expect actual &&
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git show-ref tags/A >actual &&
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test_cmp expect actual &&
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git show-ref refs/tags/A >actual &&
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test_cmp expect actual &&
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test_must_fail git show-ref D >actual &&
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test_must_be_empty actual
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'
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test_expect_success 'show-ref -q' '
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git show-ref -q A >actual &&
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test_must_be_empty actual &&
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git show-ref -q tags/A >actual &&
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test_must_be_empty actual &&
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git show-ref -q refs/tags/A >actual &&
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test_must_be_empty actual &&
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test_must_fail git show-ref -q D >actual &&
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test_must_be_empty actual
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'
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test_expect_success 'show-ref --verify' '
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echo $(git rev-parse refs/tags/A) refs/tags/A >expect &&
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git show-ref --verify refs/tags/A >actual &&
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test_cmp expect actual &&
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test_must_fail git show-ref --verify A >actual &&
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test_must_be_empty actual &&
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test_must_fail git show-ref --verify tags/A >actual &&
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test_must_be_empty actual &&
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test_must_fail git show-ref --verify D >actual &&
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test_must_be_empty actual
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'
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test_expect_success 'show-ref --verify -q' '
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git show-ref --verify -q refs/tags/A >actual &&
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test_must_be_empty actual &&
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test_must_fail git show-ref --verify -q A >actual &&
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test_must_be_empty actual &&
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test_must_fail git show-ref --verify -q tags/A >actual &&
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test_must_be_empty actual &&
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test_must_fail git show-ref --verify -q D >actual &&
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test_must_be_empty actual
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'
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test_expect_success 'show-ref -d' '
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{
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echo $(git rev-parse refs/tags/A) refs/tags/A &&
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echo $(git rev-parse refs/tags/A^0) "refs/tags/A^{}" &&
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echo $(git rev-parse refs/tags/C) refs/tags/C
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} >expect &&
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git show-ref -d A C >actual &&
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test_cmp expect actual &&
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git show-ref -d tags/A tags/C >actual &&
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test_cmp expect actual &&
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git show-ref -d refs/tags/A refs/tags/C >actual &&
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test_cmp expect actual &&
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git show-ref --verify -d refs/tags/A refs/tags/C >actual &&
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test_cmp expect actual &&
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echo $(git rev-parse refs/heads/main) refs/heads/main >expect &&
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git show-ref -d main >actual &&
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test_cmp expect actual &&
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git show-ref -d heads/main >actual &&
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test_cmp expect actual &&
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git show-ref -d refs/heads/main >actual &&
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test_cmp expect actual &&
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git show-ref -d --verify refs/heads/main >actual &&
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test_cmp expect actual &&
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test_must_fail git show-ref -d --verify main >actual &&
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test_must_be_empty actual &&
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test_must_fail git show-ref -d --verify heads/main >actual &&
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test_must_be_empty actual &&
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test_must_fail git show-ref --verify -d A C >actual &&
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test_must_be_empty actual &&
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test_must_fail git show-ref --verify -d tags/A tags/C >actual &&
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test_must_be_empty actual
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'
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test_expect_success 'show-ref --heads, --tags, --head, pattern' '
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for branch in B main side
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do
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echo $(git rev-parse refs/heads/$branch) refs/heads/$branch || return 1
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done >expect.heads &&
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git show-ref --heads >actual &&
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test_cmp expect.heads actual &&
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for tag in A B C
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do
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echo $(git rev-parse refs/tags/$tag) refs/tags/$tag || return 1
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done >expect.tags &&
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git show-ref --tags >actual &&
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test_cmp expect.tags actual &&
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cat expect.heads expect.tags >expect &&
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git show-ref --heads --tags >actual &&
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test_cmp expect actual &&
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{
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echo $(git rev-parse HEAD) HEAD &&
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cat expect.heads expect.tags
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} >expect &&
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git show-ref --heads --tags --head >actual &&
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test_cmp expect actual &&
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{
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echo $(git rev-parse HEAD) HEAD &&
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echo $(git rev-parse refs/heads/B) refs/heads/B &&
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echo $(git rev-parse refs/tags/B) refs/tags/B
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} >expect &&
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git show-ref --head B >actual &&
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test_cmp expect actual &&
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{
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echo $(git rev-parse HEAD) HEAD &&
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echo $(git rev-parse refs/heads/B) refs/heads/B &&
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echo $(git rev-parse refs/tags/B) refs/tags/B &&
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echo $(git rev-parse refs/tags/B^0) "refs/tags/B^{}"
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} >expect &&
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git show-ref --head -d B >actual &&
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test_cmp expect actual
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'
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test_expect_success 'show-ref --verify HEAD' '
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echo $(git rev-parse HEAD) HEAD >expect &&
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git show-ref --verify HEAD >actual &&
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test_cmp expect actual &&
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git show-ref --verify -q HEAD >actual &&
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test_must_be_empty actual
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'
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test_expect_success 'show-ref --verify pseudorefs' '
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git update-ref CHERRY_PICK_HEAD HEAD $ZERO_OID &&
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test_when_finished "git update-ref -d CHERRY_PICK_HEAD" &&
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git show-ref -s --verify HEAD >actual &&
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git show-ref -s --verify CHERRY_PICK_HEAD >expect &&
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test_cmp actual expect
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'
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test_expect_success 'show-ref --verify with dangling ref' '
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sha1_file() {
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echo "$*" | sed "s#..#.git/objects/&/#"
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} &&
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remove_object() {
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file=$(sha1_file "$*") &&
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test -e "$file" &&
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rm -f "$file"
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} &&
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test_when_finished "rm -rf dangling" &&
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(
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git init dangling &&
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cd dangling &&
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test_commit dangling &&
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sha=$(git rev-parse refs/tags/dangling) &&
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remove_object $sha &&
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test_must_fail git show-ref --verify refs/tags/dangling
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)
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'
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test_expect_success 'show-ref sub-modes are mutually exclusive' '
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test_must_fail git show-ref --verify --exclude-existing 2>err &&
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grep "verify" err &&
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grep "exclude-existing" err &&
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grep "cannot be used together" err &&
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test_must_fail git show-ref --verify --exists 2>err &&
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grep "verify" err &&
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grep "exists" err &&
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grep "cannot be used together" err &&
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test_must_fail git show-ref --exclude-existing --exists 2>err &&
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grep "exclude-existing" err &&
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grep "exists" err &&
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grep "cannot be used together" err
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'
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test_expect_success '--exists with existing reference' '
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git show-ref --exists refs/heads/$GIT_TEST_DEFAULT_INITIAL_BRANCH_NAME
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'
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test_expect_success '--exists with missing reference' '
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test_expect_code 2 git show-ref --exists refs/heads/does-not-exist
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'
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test_expect_success '--exists does not use DWIM' '
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test_expect_code 2 git show-ref --exists $GIT_TEST_DEFAULT_INITIAL_BRANCH_NAME 2>err &&
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grep "reference does not exist" err
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'
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test_expect_success '--exists with HEAD' '
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git show-ref --exists HEAD
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'
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test_expect_success '--exists with bad reference name' '
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test_when_finished "git update-ref -d refs/heads/bad...name" &&
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new_oid=$(git rev-parse HEAD) &&
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test-tool ref-store main update-ref msg refs/heads/bad...name $new_oid $ZERO_OID REF_SKIP_REFNAME_VERIFICATION &&
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git show-ref --exists refs/heads/bad...name
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'
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test_expect_success '--exists with arbitrary symref' '
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test_when_finished "git symbolic-ref -d refs/symref" &&
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git symbolic-ref refs/symref refs/heads/$GIT_TEST_DEFAULT_INITIAL_BRANCH_NAME &&
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git show-ref --exists refs/symref
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'
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test_expect_success '--exists with dangling symref' '
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test_when_finished "git symbolic-ref -d refs/heads/dangling" &&
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git symbolic-ref refs/heads/dangling refs/heads/does-not-exist &&
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git show-ref --exists refs/heads/dangling
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'
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test_expect_success '--exists with nonexistent object ID' '
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test-tool ref-store main update-ref msg refs/heads/missing-oid $(test_oid 001) $ZERO_OID REF_SKIP_OID_VERIFICATION &&
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git show-ref --exists refs/heads/missing-oid
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'
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test_expect_success '--exists with non-commit object' '
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tree_oid=$(git rev-parse HEAD^{tree}) &&
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test-tool ref-store main update-ref msg refs/heads/tree ${tree_oid} $ZERO_OID REF_SKIP_OID_VERIFICATION &&
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git show-ref --exists refs/heads/tree
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'
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test_expect_success '--exists with directory fails with generic error' '
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cat >expect <<-EOF &&
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error: reference does not exist
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EOF
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test_expect_code 2 git show-ref --exists refs/heads 2>err &&
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test_cmp expect err
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'
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test_expect_success '--exists with non-existent special ref' '
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test_expect_code 2 git show-ref --exists FETCH_HEAD
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'
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test_expect_success '--exists with existing special ref' '
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test_when_finished "rm .git/FETCH_HEAD" &&
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git rev-parse HEAD >.git/FETCH_HEAD &&
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git show-ref --exists FETCH_HEAD
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'
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test_done
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