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From: Junio C Hamano <gitster@pobox.com>
To: Casey Fitzpatrick <kcghost@gmail.com>
Cc: git@vger.kernel.org, sbeller@google.com, sunshine@sunshineco.com
Subject: Re: [PATCH 1/3] submodule: clean up subsititions in script
Date: Wed, 02 May 2018 14:59:48 +0900	[thread overview]
Message-ID: <xmqqy3h2vbqj.fsf@gitster-ct.c.googlers.com> (raw)
In-Reply-To: <20180502005528.19740-2-kcghost@gmail.com> (Casey Fitzpatrick's message of "Tue, 1 May 2018 20:55:26 -0400")

Casey Fitzpatrick <kcghost@gmail.com> writes:

> 'recommend_shallow' and 'jobs' variables do not need quotes (they never contain
> spaces) and do not require any additional prefix, therefore remove the
> unnecessary subsitition.

The resulting patch is good, but "they never contain spaces" is not
a very good rationale.  The real reason is that (1) we use them only
to hold a single token value (or leave them empty) in the current
code, and (2) if the feature they represent is enhanced in the
future to make them multi-token options (e.g. we may allow $jobs to
contain, in addition to "--jobs=2", "--jobs 2" for whatever reason
later), it is likely that we would want these multi-tokens split at
$IFS (e.g. "--jobs" and "2" get passed as separate option, not a
single "--jobs 2" string).

> 'progress' is a boolean value. Treat it like the other boolean values in the
> script by using a substitution.

This is OK.

>  	git submodule--helper update-clone ${GIT_QUIET:+--quiet} \
> -		${progress:+"$progress"} \
> +		${progress:+"--progress"} \
>  		${wt_prefix:+--prefix "$wt_prefix"} \
>  		${prefix:+--recursive-prefix "$prefix"} \
>  		${update:+--update "$update"} \
>  		${reference:+"$reference"} \
>  		${depth:+--depth "$depth"} \
> -		${recommend_shallow:+"$recommend_shallow"} \
> -		${jobs:+$jobs} \
> +		$recommend_shallow \
> +		$jobs \


  reply	other threads:[~2018-05-02  5:59 UTC|newest]

Thread overview: 29+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-04-30  8:29 git-submodule is missing --dissociate option Casey Fitzpatrick
2018-04-30 11:30 ` Casey Fitzpatrick
2018-04-30 13:16   ` Ævar Arnfjörð Bjarmason
2018-05-02  4:32     ` Junio C Hamano
2018-04-30 18:19 ` Stefan Beller
2018-04-30 21:39   ` Casey Fitzpatrick
2018-05-01 18:09     ` [PATCH 0/2] Add --progress and --dissociate to git submodule Casey Fitzpatrick
2018-05-01 18:09       ` [PATCH 1/2] submodule: Add --progress option to add command Casey Fitzpatrick
2018-05-01 18:41         ` Stefan Beller
2018-05-01 20:48           ` Casey Fitzpatrick
2018-05-01 18:09       ` [PATCH 2/2] submodule: Add --dissociate option to add/update commands Casey Fitzpatrick
2018-05-01 20:23         ` Stefan Beller
2018-05-01 20:25         ` Eric Sunshine
2018-05-01 21:21           ` Casey Fitzpatrick
2018-05-01 18:20       ` [PATCH 0/2] Add --progress and --dissociate to git submodule Stefan Beller
2018-05-02  0:27     ` [PATCH 0/3] " Casey Fitzpatrick
2018-05-02  0:27       ` [PATCH 1/3] submodule: clean up subsititions in script Casey Fitzpatrick
2018-05-02  0:27       ` [PATCH 2/3] submodule: add --progress option to add command Casey Fitzpatrick
2018-05-02  0:27       ` [PATCH 3/3] submodule: add --dissociate option to add/update commands Casey Fitzpatrick
2018-05-02  0:40         ` Casey Fitzpatrick
2018-05-02  0:55     ` [PATCH 0/3] Add --progress and --dissociate to git submodule Casey Fitzpatrick
2018-05-02  0:55       ` [PATCH 1/3] submodule: clean up subsititions in script Casey Fitzpatrick
2018-05-02  5:59         ` Junio C Hamano [this message]
2018-05-03 10:46           ` Casey Fitzpatrick
2018-05-02  0:55       ` [PATCH 2/3] submodule: add --progress option to add command Casey Fitzpatrick
2018-05-02  0:55       ` [PATCH 3/3] submodule: add --dissociate option to add/update commands Casey Fitzpatrick
2018-05-02  4:37       ` [PATCH 0/3] Add --progress and --dissociate to git submodule Junio C Hamano
2018-05-02  8:54         ` Casey Fitzpatrick
2018-05-02  4:34   ` git-submodule is missing --dissociate option Junio C Hamano

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