show-ref: make --head always show the HEAD ref
The docs seem to say that doing git show-ref --head --tags would show both the HEAD ref and all the tag refs. However, doing both --head and either of --tags or --heads would filter out the HEAD ref. Also update the documentation to describe the new behavior and add tests for the show-ref command. [jc: Doug did proofread the tests, but it was done by me and bugs in it are mine]. Signed-off-by: Doug Bell <madcityzen@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Doug Bell
Junio C Hamano
parent
239222f587
commit
3f3d0cea61
@ -21,6 +21,8 @@ commit IDs. Results can be filtered using a pattern and tags can be
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dereferenced into object IDs. Additionally, it can be used to test whether a
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particular ref exists.
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By default, shows the tags, heads, and remote refs.
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The --exclude-existing form is a filter that does the inverse, it shows the
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refs from stdin that don't exist in the local repository.
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@ -32,14 +34,14 @@ OPTIONS
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--head::
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Show the HEAD reference.
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Show the HEAD reference, even if it would normally be filtered out.
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--tags::
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--heads::
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Limit to only "refs/heads" and "refs/tags", respectively. These
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options are not mutually exclusive; when given both, references stored
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in "refs/heads" and "refs/tags" are displayed.
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Limit to "refs/heads" and "refs/tags", respectively. These options
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are not mutually exclusive; when given both, references stored in
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"refs/heads" and "refs/tags" are displayed.
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-d::
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--dereference::
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@ -31,6 +31,9 @@ static int show_ref(const char *refname, const unsigned char *sha1, int flag, vo
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const char *hex;
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unsigned char peeled[20];
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if (show_head && !strcmp(refname, "HEAD"))
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goto match;
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if (tags_only || heads_only) {
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int match;
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@ -167,9 +170,10 @@ static const struct option show_ref_options[] = {
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OPT_BOOLEAN(0, "verify", &verify, N_("stricter reference checking, "
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"requires exact ref path")),
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{ OPTION_BOOLEAN, 'h', NULL, &show_head, NULL,
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N_("show the HEAD reference"),
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N_("show the HEAD reference, even if it would be filtered out"),
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PARSE_OPT_NOARG | PARSE_OPT_HIDDEN },
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OPT_BOOLEAN(0, "head", &show_head, N_("show the HEAD reference")),
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OPT_BOOLEAN(0, "head", &show_head,
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N_("show the HEAD reference, even if it would be filtered out")),
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OPT_BOOLEAN('d', "dereference", &deref_tags,
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N_("dereference tags into object IDs")),
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{ OPTION_CALLBACK, 's', "hash", &abbrev, N_("n"),
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167
t/t1403-show-ref.sh
Executable file
167
t/t1403-show-ref.sh
Executable file
@ -0,0 +1,167 @@
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#!/bin/sh
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test_description='show-ref'
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. ./test-lib.sh
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test_expect_success setup '
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test_commit A &&
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git tag -f -a -m "annotated A" A &&
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git checkout -b side &&
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test_commit B &&
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git tag -f -a -m "annotated B" B &&
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git checkout master &&
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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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>expect &&
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test_must_fail git show-ref D >actual
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test_cmp expect actual
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'
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test_expect_success 'show-ref -q' '
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>expect &&
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git show-ref -q A >actual &&
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test_cmp expect actual &&
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git show-ref -q tags/A >actual &&
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test_cmp expect actual &&
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git show-ref -q refs/tags/A >actual &&
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test_cmp expect actual &&
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test_must_fail git show-ref -q D >actual &&
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test_cmp expect 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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>expect &&
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test_must_fail git show-ref --verify A >actual &&
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test_cmp expect actual &&
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test_must_fail git show-ref --verify tags/A >actual &&
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test_cmp expect actual &&
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test_must_fail git show-ref --verify D >actual
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test_cmp expect actual
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'
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test_expect_success 'show-ref --verify -q' '
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>expect &&
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git show-ref --verify -q refs/tags/A >actual &&
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test_cmp expect actual &&
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test_must_fail git show-ref --verify -q A >actual &&
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test_cmp expect actual &&
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test_must_fail git show-ref --verify -q tags/A >actual &&
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test_cmp expect actual &&
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test_must_fail git show-ref --verify -q D >actual
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test_cmp expect 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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echo $(git rev-parse refs/heads/master) refs/heads/master >expect &&
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git show-ref -d master >actual &&
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test_cmp expect actual &&
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git show-ref -d heads/master >actual &&
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test_cmp expect actual &&
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git show-ref -d refs/heads/master >actual &&
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test_cmp expect actual
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git show-ref -d --verify refs/heads/master >actual &&
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test_cmp expect actual
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>expect &&
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test_must_fail git show-ref -d --verify master >actual &&
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test_cmp expect actual &&
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test_must_fail git show-ref -d --verify heads/master >actual &&
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test_cmp expect 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 master side
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do
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echo $(git rev-parse refs/heads/$branch) refs/heads/$branch
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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
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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_done
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