TAG

	Add a tag reference in refs/tags/, unless -d/-l/-v is
	given to delete, list or verify tags.

	Command Syntax:

		git tag [-a | -s | -u <key-id>] [-f] [-m <msg> | -F <file>] [-e]
			<tagname> [<commit> | <object>]
		git tag -d <tagname>…​
		git tag [-n[<num>]] -l [--contains <commit>] [--no-contains <commit>]
			[--points-at <object>] [--column[=<options>] | --no-column]
			[--create-reflog] [--sort=<key>] [--format=<format>]
			[--merged <commit>] [--no-merged <commit>] [<pattern>…​]
		git tag -v [--format=<format>] <tagname>…​