git/Documentation/git-mktag.adoc
brian m. carlson 1f010d6bdf doc: use .adoc extension for AsciiDoc files
We presently use the ".txt" extension for our AsciiDoc files.  While not
wrong, most editors do not associate this extension with AsciiDoc,
meaning that contributors don't get automatic editor functionality that
could be useful, such as syntax highlighting and prose linting.

It is much more common to use the ".adoc" extension for AsciiDoc files,
since this helps editors automatically detect files and also allows
various forges to provide rich (HTML-like) rendering.  Let's do that
here, renaming all of the files and updating the includes where
relevant.  Adjust the various build scripts and makefiles to use the new
extension as well.

Note that this should not result in any user-visible changes to the
documentation.

Signed-off-by: brian m. carlson <sandals@crustytoothpaste.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2025-01-21 12:56:06 -08:00

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git-mktag(1)
============
NAME
----
git-mktag - Creates a tag object with extra validation
SYNOPSIS
--------
[verse]
'git mktag'
DESCRIPTION
-----------
Reads a tag's contents on standard input and creates a tag object. The
output is the new tag's <object> identifier.
This command is mostly equivalent to linkgit:git-hash-object[1]
invoked with `-t tag -w --stdin`. I.e. both of these will create and
write a tag found in `my-tag`:
git mktag <my-tag
git hash-object -t tag -w --stdin <my-tag
The difference is that mktag will die before writing the tag if the
tag doesn't pass a linkgit:git-fsck[1] check.
The "fsck" check done by mktag is stricter than what linkgit:git-fsck[1]
would run by default in that all `fsck.<msg-id>` messages are promoted
from warnings to errors (so e.g. a missing "tagger" line is an error).
Extra headers in the object are also an error under mktag, but ignored
by linkgit:git-fsck[1]. This extra check can be turned off by setting
the appropriate `fsck.<msg-id>` variable:
git -c fsck.extraHeaderEntry=ignore mktag <my-tag-with-headers
OPTIONS
-------
--strict::
By default mktag turns on the equivalent of
linkgit:git-fsck[1] `--strict` mode. Use `--no-strict` to
disable it.
Tag Format
----------
A tag signature file, to be fed to this command's standard input,
has a very simple fixed format: four lines of
object <hash>
type <typename>
tag <tagname>
tagger <tagger>
followed by some 'optional' free-form message (some tags created
by older Git may not have a `tagger` line). The message, when it
exists, is separated by a blank line from the header. The
message part may contain a signature that Git itself doesn't
care about, but that can be verified with gpg.
GIT
---
Part of the linkgit:git[1] suite