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From: Jonathan Nieder <jrnieder@gmail.com>
To: Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
Cc: git@vger.kernel.org
Subject: Re: [PATCH] Avoid unportable nested double- and backquotes in shell scripts.
Date: Sat, 8 Jan 2011 10:14:41 -0600	[thread overview]
Message-ID: <20110108161441.GA28898@burratino> (raw)
In-Reply-To: <20110108090105.GB14536@gmx.de>

Ralf Wildenhues wrote:

> [Subject: Avoid unportable nested double- and backquotes in shell scripts]
>
> Some shells parse them wrongly, esp. pdksh.

How does it treat $( ) command substitutions?  (We use those more
heavily and they are easier on the eyes anyway.)

> --- a/t/t9107-git-svn-migrate.sh
> +++ b/t/t9107-git-svn-migrate.sh
> @@ -94,7 +94,7 @@ test_expect_success 'migrate --minimize on old inited layout' '
>  		echo "$svnrepo"$path > "$GIT_DIR"/svn/$ref/info/url ) || exit 1;
>  	done &&
>  	git svn migrate --minimize &&
> -	test -z "`git config -l | grep "^svn-remote\.git-svn\."`" &&
> +	! git config -l | grep "^svn-remote\.git-svn\." &&

I thought I remembered portability problems with the

	! a | b

construct but it seems I am wrong; t7810-grep.sh uses that
construct without trouble, at least.

  reply	other threads:[~2011-01-08 16:17 UTC|newest]

Thread overview: 6+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2011-01-08  9:01 [PATCH] Avoid unportable nested double- and backquotes in shell scripts Ralf Wildenhues
2011-01-08 16:14 ` Jonathan Nieder [this message]
2011-01-08 16:23   ` Ralf Wildenhues
2011-01-08 16:48     ` Jonathan Nieder
2011-01-08 18:22       ` Jonathan Nieder
2011-01-10 18:09 ` Junio C Hamano

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