From 6a338149f623f493525324bc0f8d7bb9257cb840 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?=C3=86var=20Arnfj=C3=B6r=C3=B0=20Bjarmason?= Date: Fri, 24 Mar 2017 18:40:55 +0000 Subject: [PATCH] tag: implicitly supply --list given another list-like option MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Change the "tag" command to implicitly turn on its --list mode when provided with a list-like option such as --contains, --points-at etc. This is for consistency with how "branch" works. When "branch" is given a list-like option, such as --contains, it implicitly provides --list. Before this change "tag" would error out on those sorts of invocations. I.e. while both of these worked for "branch": git branch --contains v2.8.0 git branch --list --contains v2.8.0 Only the latter form worked for "tag": git tag --contains v2.8.0 '*rc*' git tag --list --contains v2.8.0 '*rc*' Now "tag", like "branch", will implicitly supply --list when a list-like option is provided, and no other conflicting non-list options (such as -d) are present on the command-line. Spelunking through the history via: git log --reverse -p -G'only allowed with' -- '*builtin*tag*c' Reveals that there was no good reason for not allowing this in the first place. The --contains option added in 32c35cfb1e ("git-tag: Add --contains option", 2009-01-26) made this an error. All the other subsequent list-like options that were added copied its pattern of making this usage an error. The only tests that break as a result of this change are tests that were explicitly checking that this "branch-like" usage wasn't permitted. Change those failing tests to check that this invocation mode is permitted, add extra tests for the list-like options we weren't testing, and tests to ensure that e.g. we don't toggle the list mode in the presence of other conflicting non-list options. With this change errors messages such as "--contains option is only allowed with -l" don't make sense anymore, since options like --contain turn on -l. Instead we error out when list-like options such as --contain are used in conjunction with conflicting options such as -d or -v. Signed-off-by: Ævar Arnfjörð Bjarmason Signed-off-by: Junio C Hamano --- Documentation/git-tag.txt | 17 +++++++----- builtin/tag.c | 18 ++++++++----- t/t7004-tag.sh | 55 +++++++++++++++++++++++++++++++++++---- 3 files changed, 73 insertions(+), 17 deletions(-) diff --git a/Documentation/git-tag.txt b/Documentation/git-tag.txt index 47d8733523..4d289f5dd5 100644 --- a/Documentation/git-tag.txt +++ b/Documentation/git-tag.txt @@ -82,10 +82,11 @@ OPTIONS -n:: specifies how many lines from the annotation, if any, - are printed when using -l. - The default is not to print any annotation lines. - If no number is given to `-n`, only the first line is printed. - If the tag is not annotated, the commit message is displayed instead. + are printed when using -l. Implies `--list`. ++ +The default is not to print any annotation lines. +If no number is given to `-n`, only the first line is printed. +If the tag is not annotated, the commit message is displayed instead. -l:: --list:: @@ -95,6 +96,10 @@ OPTIONS Running "git tag" without arguments also lists all tags. The pattern is a shell wildcard (i.e., matched using fnmatch(3)). Multiple patterns may be given; if any of them matches, the tag is shown. ++ +This option is implicitly supplied if any other list-like option such +as `--contains` is provided. See the documentation for each of those +options for details. --sort=:: Sort based on the key given. Prefix `-` to sort in @@ -123,7 +128,7 @@ This option is only applicable when listing tags without annotation lines. --contains []:: Only list tags which contain the specified commit (HEAD if not - specified). + specified). Implies `--list`. --merged []:: Only list tags whose commits are reachable from the specified @@ -134,7 +139,7 @@ This option is only applicable when listing tags without annotation lines. commit (`HEAD` if not specified), incompatible with `--merged`. --points-at :: - Only list tags of the given object. + Only list tags of the given object. Implies `--list`. -m :: --message=:: diff --git a/builtin/tag.c b/builtin/tag.c index ad29be6923..3c686961db 100644 --- a/builtin/tag.c +++ b/builtin/tag.c @@ -454,8 +454,14 @@ int cmd_tag(int argc, const char **argv, const char *prefix) } create_tag_object = (opt.sign || annotate || msg.given || msgfile); - if (argc == 0 && !cmdmode) - cmdmode = 'l'; + if (!cmdmode) { + if (argc == 0) + cmdmode = 'l'; + else if (filter.with_commit || + filter.points_at.nr || filter.merge_commit || + filter.lines != -1) + cmdmode = 'l'; + } if ((create_tag_object || force) && (cmdmode != 0)) usage_with_options(git_tag_usage, options); @@ -485,13 +491,13 @@ int cmd_tag(int argc, const char **argv, const char *prefix) return ret; } if (filter.lines != -1) - die(_("-n option is only allowed with -l.")); + die(_("-n option is only allowed in list mode")); if (filter.with_commit) - die(_("--contains option is only allowed with -l.")); + die(_("--contains option is only allowed in list mode")); if (filter.points_at.nr) - die(_("--points-at option is only allowed with -l.")); + die(_("--points-at option is only allowed in list mode")); if (filter.merge_commit) - die(_("--merged and --no-merged option are only allowed with -l")); + die(_("--merged and --no-merged options are only allowed in list mode")); if (cmdmode == 'd') return for_each_tag_name(argv, delete_tag, NULL); if (cmdmode == 'v') { diff --git a/t/t7004-tag.sh b/t/t7004-tag.sh index 75681b2cad..5823de16aa 100755 --- a/t/t7004-tag.sh +++ b/t/t7004-tag.sh @@ -643,6 +643,11 @@ test_expect_success \ git tag -n0 -l tag-one-line >actual && test_cmp expect actual && + git tag -n0 | grep "^tag-one-line" >actual && + test_cmp expect actual && + git tag -n0 tag-one-line >actual && + test_cmp expect actual && + echo "tag-one-line A msg" >expect && git tag -n1 -l | grep "^tag-one-line" >actual && test_cmp expect actual && @@ -656,6 +661,17 @@ test_expect_success \ test_cmp expect actual ' +test_expect_success 'The -n 100 invocation means -n --list 100, not -n100' ' + >expect && + git tag -n 100 >actual && + test_cmp expect actual && + + git tag -m "A msg" 100 && + echo "100 A msg" >expect && + git tag -n 100 >actual && + test_cmp expect actual +' + test_expect_success \ 'listing the zero-lines message of a non-signed tag should succeed' ' git tag -m "" tag-zero-lines && @@ -1476,6 +1492,11 @@ test_expect_success 'checking that initial commit is in all tags' " test_cmp expected actual " +test_expect_success 'checking that --contains can be used in non-list mode' ' + git tag --contains $hash1 v* >actual && + test_cmp expected actual +' + # mixing modes and options: test_expect_success 'mixing incompatibles modes and options is forbidden' ' @@ -1496,7 +1517,6 @@ test_expect_success 'mixing incompatibles modes and options is forbidden' ' test_must_fail git tag -l -v && test_must_fail git tag -l -d && test_must_fail git tag -l -v -d && - test_must_fail git tag -n 100 && test_must_fail git tag -n 100 -v && test_must_fail git tag -l -m msg && test_must_fail git tag -l -F some file && @@ -1505,10 +1525,25 @@ test_expect_success 'mixing incompatibles modes and options is forbidden' ' test_must_fail git tag --contains tag-blob ' +for option in --contains --merged --no-merged --points-at +do + test_expect_success "mixing incompatible modes with $option is forbidden" " + test_must_fail git tag -d $option HEAD && + test_must_fail git tag -d $option HEAD some-tag && + test_must_fail git tag -v $option HEAD + " + test_expect_success "Doing 'git tag --list-like $option is permitted" " + git tag -n $option HEAD HEAD && + git tag $option HEAD HEAD + " +done + # check points-at -test_expect_success '--points-at cannot be used in non-list mode' ' - test_must_fail git tag --points-at=v4.0 foo +test_expect_success '--points-at can be used in non-list mode' ' + echo v4.0 >expect && + git tag --points-at=v4.0 "v*" >actual && + test_cmp expect actual ' test_expect_success '--points-at finds lightweight tags' ' @@ -1785,8 +1820,13 @@ test_expect_success 'setup --merged test tags' ' git tag mergetest-3 HEAD ' -test_expect_success '--merged cannot be used in non-list mode' ' - test_must_fail git tag --merged=mergetest-2 foo +test_expect_success '--merged can be used in non-list mode' ' + cat >expect <<-\EOF && + mergetest-1 + mergetest-2 + EOF + git tag --merged=mergetest-2 "mergetest*" >actual && + test_cmp expect actual ' test_expect_success '--merged is incompatible with --no-merged' ' @@ -1810,6 +1850,11 @@ test_expect_success '--no-merged show unmerged tags' ' test_cmp expect actual ' +test_expect_success '--no-merged can be used in non-list mode' ' + git tag --no-merged=mergetest-2 mergetest-* >actual && + test_cmp expect actual +' + test_expect_success 'ambiguous branch/tags not marked' ' git tag ambiguous && git branch ambiguous &&