From: Johannes Schindelin <Johannes.Schindelin@gmx.de>
To: Denton Liu <liu.denton@gmail.com>
Cc: Git Mailing List <git@vger.kernel.org>
Subject: Re: [PATCH 2/2] config/alias.txt: document alias accepting non-command first word
Date: Wed, 5 Jun 2019 14:37:13 +0200 (CEST) [thread overview]
Message-ID: <nycvar.QRO.7.76.6.1906051434500.1775@tvgsbejvaqbjf.bet> (raw)
In-Reply-To: <13d9ddd3541e3815078c4853c6f7c25cddd89126.1559333840.git.liu.denton@gmail.com>
Hi Denton,
On Fri, 31 May 2019, Denton Liu wrote:
> One can see that an alias that begins with a non-command first word,
> such as `loud-rebase = -c commit.verbose=true rebase`, is permitted.
> However, this isn't immediately obvious to users as alias instances
> typically begin with a command.
>
> Document the fact that an alias can begin with a non-command first word
> so that users will be able to discover that this is a feature.
You caught me.
Granted, back in 2006, when I introduced that feature, we were not *quite*
as diligent about documenting new features as we are today (see
4ab243a944a6 (Allow an alias to start with "-p", 2006-07-24)).
I like your patch! Maybe you would like to mention `-p`, too, as a
possible use case, as that was the original reason I introduced the
feature? (To this day, the first thing I do on a new machine *right* after
installing Git is to call `git config --global alias.ps '-p status'`)
I'd be fine with these two patches as-are, of course.
Thank you!
Dscho
>
> Signed-off-by: Denton Liu <liu.denton@gmail.com>
> ---
> Documentation/config/alias.txt | 8 ++++++++
> 1 file changed, 8 insertions(+)
>
> diff --git a/Documentation/config/alias.txt b/Documentation/config/alias.txt
> index 5425449a50..f241f03ebe 100644
> --- a/Documentation/config/alias.txt
> +++ b/Documentation/config/alias.txt
> @@ -7,6 +7,14 @@ alias.*::
> spaces, the usual shell quoting and escaping is supported.
> A quote pair or a backslash can be used to quote them.
> +
> +Note that the first word of an alias does not necessarily have to be a
> +command. It can be a command-line option that will be passed into the
> +invocation of `git`. In particular, this is useful when used with `-c`
> +to pass in one-time configurations. For example,
> +`loud-rebase = -c commit.verbose=true rebase` can be defined such that
> +running `git loud-merge` would be equivalent to
> +`git -c commit.verbose=true rebase`.
> ++
> If the alias expansion is prefixed with an exclamation point,
> it will be treated as a shell command. For example, defining
> `alias.new = !gitk --all --not ORIG_HEAD`, the invocation
> --
> 2.22.0.rc1.169.g49223abbf8
>
>
next prev parent reply other threads:[~2019-06-05 12:37 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-05-31 20:23 [PATCH 0/2] document alias accepting non-command first word Denton Liu
2019-05-31 20:23 ` [PATCH 1/2] config/alias.txt: change " and ' to ` Denton Liu
2019-05-31 20:23 ` [PATCH 2/2] config/alias.txt: document alias accepting non-command first word Denton Liu
2019-06-05 12:37 ` Johannes Schindelin [this message]
2019-06-05 20:10 ` [PATCH v2 0/2] Doc: " Denton Liu
2019-06-05 20:10 ` [PATCH v2 1/2] config/alias.txt: change " and ' to ` Denton Liu
2019-06-05 20:10 ` [PATCH v2 2/2] config/alias.txt: document alias accepting non-command first word Denton Liu
2019-06-06 12:48 ` [PATCH v2 0/2] Doc: " Johannes Schindelin
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