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From: "Martin Ågren" <martin.agren@gmail.com>
To: "Ævar Arnfjörð Bjarmason" <avarab@gmail.com>
Cc: git@vger.kernel.org, Victoria Dye <vdye@github.com>
Subject: [PATCH v2] cmd-list.perl: fix identifying man sections
Date: Fri, 23 Sep 2022 10:07:33 +0200	[thread overview]
Message-ID: <20220923080733.1995862-1-martin.agren@gmail.com> (raw)
In-Reply-To: <220923.86wn9u4joo.gmgdl@evledraar.gmail.com>

We attribute each documentation text file to a man section by finding a
line in the file that looks like "gitfoo(<digit>)". Commit cc75e556a9
("scalar: add to 'git help -a' command list", 2022-09-02) updated this
logic to look not only for "gitfoo" but also "scalarfoo". In doing so,
it forgot to account for the fact that after the updated regex has found
a match, the man section is no longer to be found in `$1` but now lives
in `$2`.

This makes our git(1) manpage look as follows:

  Main porcelain commands
       git-add(git)
           Add file contents to the index.

  [...]

       gitk(git)
           The Git repository browser.

       scalar(scalar)
           A tool for managing large Git repositories.

Restore the man sections by not capturing the (git|scalar) part of the
match into `$1`.

As noted by Ævar [1], we could even match any "foo" rather than just
"gitfoo" and "scalarfoo", but that's a larger change. For now, just fix
the regression in cc75e556a9.

[1] https://lore.kernel.org/git/220923.86wn9u4joo.gmgdl@evledraar.gmail.com/#t

Helped-by: Ævar Arnfjörð Bjarmason <avarab@gmail.com>
Signed-off-by: Martin Ågren <martin.agren@gmail.com>
---
 Thanks Ævar for having a look at v1.

 Documentation/cmd-list.perl | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/Documentation/cmd-list.perl b/Documentation/cmd-list.perl
index 9515a499a3..755a110bc4 100755
--- a/Documentation/cmd-list.perl
+++ b/Documentation/cmd-list.perl
@@ -10,7 +10,7 @@ sub format_one {
 	$state = 0;
 	open I, '<', "$name.txt" or die "No such file $name.txt";
 	while (<I>) {
-		if (/^(git|scalar)[a-z0-9-]*\(([0-9])\)$/) {
+		if (/^(?:git|scalar)[a-z0-9-]*\(([0-9])\)$/) {
 			$mansection = $1;
 			next;
 		}
-- 
2.38.0.rc1.355.g7147cddc23


  reply	other threads:[~2022-09-23  8:08 UTC|newest]

Thread overview: 10+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2022-09-23  7:03 [PATCH] cmd-list.perl: fix identifying man sections Martin Ågren
2022-09-23  7:38 ` Ævar Arnfjörð Bjarmason
2022-09-23  8:07   ` Martin Ågren [this message]
2022-09-23  8:37     ` [PATCH v2] " Ævar Arnfjörð Bjarmason
2022-09-23 11:42       ` Martin Ågren
2022-09-23 17:01     ` Junio C Hamano
2022-09-23 22:07 ` [PATCH] " Jeff King
2022-09-26  7:16   ` Martin Ågren
2022-09-26 17:06     ` Junio C Hamano
2022-09-26 13:35   ` Ævar Arnfjörð Bjarmason

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