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From: Ævar Arnfjörð Bjarmason  <avarab@gmail.com>
To: git@vger.kernel.org
Cc: Junio C Hamano <gitster@pobox.com>,
	Lars Hjemli <hjemli@gmail.com>, Jeff King <peff@peff.net>,
	Christian Couder <christian.couder@gmail.com>,
	Carlos Rica <jasampler@gmail.com>,
	Samuel Tardieu <sam@rfc1149.net>,
	Tom Grennan <tmgrennan@gmail.com>,
	Ævar Arnfjörð Bjarmason  <avarab@gmail.com>
Subject: [PATCH 5/8] tag: Implicitly supply --list given the -n option
Date: Sat, 18 Mar 2017 10:32:53 +0000
Message-ID: <20170318103256.27141-6-avarab@gmail.com> (raw)
In-Reply-To: <20170318103256.27141-1-avarab@gmail.com>

Change the "tag" command to treat the "-n" invocation as a list-like
option in addition to --contains, --points-at etc.

Most of the work for this was done in my preceding "tag: Implicitly
supply --list given another list-like option", but I've split off this
patch since it's more contentious. Now invocations these invocations
will be synonymous:

    git tag -n 100
    git tag -n --list 100

Whereas before the former would die. This doesn't technically
introduce any more ambiguity than change to the other list-like
options, but it does introduce the possibility for more confusion
since instead of the latter of these dying:

    git tag -n100
    git tag -n 100

It now works entirely differently, i.e. invokes list mode with a
filter for "100".

Signed-off-by: Ævar Arnfjörð Bjarmason <avarab@gmail.com>
---
 Documentation/git-tag.txt |  9 +++++----
 builtin/tag.c             |  2 +-
 t/t7004-tag.sh            | 17 ++++++++++++++++-
 3 files changed, 22 insertions(+), 6 deletions(-)

diff --git a/Documentation/git-tag.txt b/Documentation/git-tag.txt
index 2acd3b6beb..e7793afad1 100644
--- a/Documentation/git-tag.txt
+++ b/Documentation/git-tag.txt
@@ -82,10 +82,11 @@ OPTIONS
 
 -n<num>::
 	<num> 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::
diff --git a/builtin/tag.c b/builtin/tag.c
index 3483636e59..2da28a5ce6 100644
--- a/builtin/tag.c
+++ b/builtin/tag.c
@@ -457,7 +457,7 @@ int cmd_tag(int argc, const char **argv, const char *prefix)
 	if (!cmdmode && !create_tag_object) {
 		if (argc == 0)
 			cmdmode = 'l';
-		else if (filter.with_commit || filter.points_at.nr || filter.merge_commit)
+		else if (filter.with_commit || filter.points_at.nr || filter.merge_commit || filter.lines != -1)
 			cmdmode = 'l';
 	}
 
diff --git a/t/t7004-tag.sh b/t/t7004-tag.sh
index 5c94932f0f..ba1ab1f21c 100755
--- a/t/t7004-tag.sh
+++ b/t/t7004-tag.sh
@@ -639,6 +639,11 @@ 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 &&
@@ -652,6 +657,17 @@ 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 &&
@@ -1495,7 +1511,6 @@ test_expect_success 'mixing incompatibles modes and options is forbidden' '
 	test_must_fail git tag -a -s -m -F &&
 	test_must_fail git tag -a -s -m -F -l &&
 	test_must_fail git tag -l -v &&
-	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 &&
-- 
2.11.0


  parent reply index

Thread overview: 10+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2017-03-18 10:32 [PATCH 0/8] Various changes to the "tag" command Ævar Arnfjörð Bjarmason
2017-03-18 10:32 ` [PATCH 1/8] tag: Remove a TODO item from the test suite Ævar Arnfjörð Bjarmason
2017-03-18 10:32 ` [PATCH 2/8] tag: Refactor the options handling code to be less bizarro Ævar Arnfjörð Bjarmason
2017-03-18 10:32 ` [PATCH 3/8] tag: Change misleading --list <pattern> documentation Ævar Arnfjörð Bjarmason
2017-03-18 10:32 ` [PATCH 4/8] tag: Implicitly supply --list given another list-like option Ævar Arnfjörð Bjarmason
2017-03-18 10:32 ` Ævar Arnfjörð Bjarmason [this message]
2017-03-20  4:02   ` [PATCH 5/8] tag: Implicitly supply --list given the -n option Jeff King
2017-03-18 10:32 ` [PATCH 6/8] ref-filter: Add --no-contains option to tag/branch/for-each-ref Ævar Arnfjörð Bjarmason
2017-03-18 10:32 ` [PATCH 7/8] tag: Add tests for --with and --without Ævar Arnfjörð Bjarmason
2017-03-18 10:32 ` [PATCH 8/8] tag: Change --point-at to default to HEAD Ævar Arnfjörð Bjarmason

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