From: Jeff King <peff@peff.net>
Date: Mon, 24 Mar 2008 19:29:52 GMT
Subject: Re: git-config: aliases with parameter expansion ($1 and such)
Message-ID: <20080324192952.GD14002@coredump.intra.peff.net>
In-Reply-To: <47E7A969.8010405@dirk.my1.cc>

On Mon, Mar 24, 2008 at 02:15:21PM +0100, Dirk Süsserott wrote:

> Thanks for the help. Both
>    (1) atag = !sh -c 'git tag -a -m "$0" "$0"'
> and
>    (2) atag = !sh -c 'git tag -a -m "$1" "$1"' -
> work, but in the latter case the '-' is indeed crucial.
> If not given, $1 is not set and git tag complains badly.
> When called without any args, (1) sets a tag called "sh"
> whereas (2) complains about the missing value for the -m option.
> So I decided to use the second form. Shells are funny things. ;-)

I hadn't thought of that when I gave (1) as an example. I think (2) is
clearly superior for that reason.

> BTW: Is it true that "-a" is implicitely added to "git tag"
> when the "-m" switch is present, i.e. are
>    $ git tag -m foo foo
> and
>    $ git tag -a -m foo foo
> equivalent? Thought so, but it's not in the docs.

Yes, see builtin-tag:430-433 (it is also implied by -F). Care to submit
a documentation patch?

-Peff