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From: Alexey Tourbin <at@altlinux.ru>
To: ALT Linux Team development discussions <devel@lists.altlinux.org>
Subject: Re: [devel] [git pull] sisyphus_check changes
Date: Wed, 23 Apr 2008 19:12:10 +0400
Message-ID: <20080423151209.GK7616@solemn.turbinal> (raw)
In-Reply-To: <480F4F2C.4010905@altlinux.ru>

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On Wed, Apr 23, 2008 at 07:01:00PM +0400, Alexey Gladkov wrote:
> Alexey Tourbin wrote:
> >'if' частично отрубает режим -e.
> 
> Тут даже subshell не причём и set -e не поможет.

С другой стороны, субшелл отрбуает эффект -e с внешней стороны.
То есть можно написать

--- sisyphus_check/sisyphus_check-	2008-04-23 14:07:25 +0000
+++ sisyphus_check/sisyphus_check	2008-04-23 15:09:14 +0000
@@ -43,7 +43,8 @@ run_checks() {
 		check_var="$(printf '%s' "no_check_$check" |tr - _)"
 
 		if eval "[ -z \"\${$check_var-}\" ]"; then
-			if ! (. "$sisyphus_check_d/$check" && run_check "$f"); then
+			(. "$sisyphus_check_d/$check" && run_check "$f")
+			if [ $? -gt 0 ]; then
 				[ -z "$fast_check" ] || return 1
 				rc=1
 			fi

Тогда всё что в субшелле будет выполняться в чистом -e режиме,
но статус субшелла не обрубает саму программу.

В общем, вопреки легенде, unix way изначально было не очень хоршо
продуман, и нужно им пользоваться острожно.  Не злоупотреблять. :)

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  reply	other threads:[~2008-04-23 15:12 UTC|newest]

Thread overview: 10+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2008-04-23 13:53 Alexey Gladkov
2008-04-23 14:12 ` Alexey Tourbin
2008-04-23 14:34   ` Alexey Gladkov
2008-04-23 14:46     ` Alexey Tourbin
2008-04-23 15:01       ` Alexey Gladkov
2008-04-23 15:12         ` Alexey Tourbin [this message]
2008-04-23 15:11       ` Alexey Gladkov
2008-04-23 15:15         ` Alexey Tourbin
2008-04-23 15:31           ` Alexey Gladkov
2008-04-23 16:49             ` Alexey Tourbin

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