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From: Junio C Hamano <gitster@pobox.com>
To: Jeff King <peff@peff.net>
Cc: Eric Sunshine <sunshine@sunshineco.com>, Git List <git@vger.kernel.org>
Subject: Re: [PATCH] t4014: shell portability fix
Date: Tue, 31 May 2016 23:49:10 -0700	[thread overview]
Message-ID: <xmqqshwx1k0p.fsf@gitster.mtv.corp.google.com> (raw)
In-Reply-To: <20160601054048.GB20797@sigill.intra.peff.net> (Jeff King's message of "Wed, 1 Jun 2016 01:40:48 -0400")

Jeff King <peff@peff.net> writes:

> OK, last email tonight, I promise.
>
> Here's the subshell version. I'm a little embarrassed not to have
> thought of it sooner (though the other one was a fun exercise).
>
> 	test_env () {
> 		(
> 			while test $# -gt 0
> 			do
> 				case "$1" in
> 				*=*)
> 					eval "${1%%=*}=\${1#*=}"

Is this an elaborate way to say 'eval "$1"', or is there anything
more subtle going on?

> 					eval "export ${1%%=*}"
> 					shift
> 					;;
> 				*)
> 					"$@"
> 					exit

... or 'exec "$@"'

> 					;;
> 				esac
> 			done
> 		)
> 	}

You can dedent the whole thing and remove the outermost {} pair.

Other than that, looks good to me.

>
> -Peff

  reply	other threads:[~2016-06-01  6:49 UTC|newest]

Thread overview: 20+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2016-05-31 22:53 [PATCH] t4014: shell portability fix Junio C Hamano
2016-05-31 22:56 ` Jeff King
2016-06-01  0:09   ` Eric Sunshine
2016-06-01  2:31     ` Jeff King
2016-06-01  3:31       ` Jeff King
2016-06-01  3:44         ` Jeff King
2016-06-01  3:54           ` Jeff King
2016-06-01  5:33           ` Jeff King
2016-06-01  5:40             ` Jeff King
2016-06-01  6:49               ` Junio C Hamano [this message]
2016-06-01  6:57                 ` Junio C Hamano
2016-06-01  7:04                 ` Jeff King
2016-06-01 15:07                   ` Junio C Hamano
2016-06-01 16:07                     ` Jeff King
2016-06-01 16:57                       ` Junio C Hamano
2016-06-01 16:58                         ` Jeff King
2016-06-01  5:48         ` Johannes Sixt
2016-06-01  5:48           ` Jeff King
2016-06-01  6:39       ` Eric Sunshine
2016-06-01  0:09 ` Ramsay Jones

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