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Reads a tag contents on standard input and creates a tag object. The output is the new tag’s <object> identifier.
This command is mostly equivalent to git-hash-object
-t tag -w --stdin. I.e. both of these will create and
write a tag found in
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 git-fsck check.
The "fsck" check done mktag is stricter than what git-fsck
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 git-fsck. This extra check can be turned off by setting
git -c fsck.extraHeaderEntry=ignore mktag <my-tag-with-headers
By default mktag turns on the equivalent of git-fsck
--no-strictto disable it.
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
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.
Part of the git suite