From: Corinna Vinschen <corinna-cygwin@cygwin.com>
To: cygwin@cygwin.com
Subject: Re: Postinstall script errors
Date: Thu, 12 Aug 2010 14:41:00 -0000 [thread overview]
Message-ID: <20100812144058.GK14202@calimero.vinschen.de> (raw)
In-Reply-To: <4C6400CF.9050800@gmx.de>
On Aug 12 16:10, Matthias Andree wrote:
> Am 12.08.2010 15:37, schrieb Jeremy Ramer:
> > I verified that $created_passwd and $created_group were both no so
> > both conditionals will fail. But because the last conditional is the
> > last thing run, the script returns 1. Adding an exit 0 to the script
> > fixes it, but I'm not sure if that accomplishes what you want from the
> > script.
>
> PLEASE DON'T.
>
> Adding an "exit 0" will mask the error and just reinstate the former state of
> silently failing postinstall scripts more rigidly. This is not desirable. The
> proper way to fix this is:
>
> set -e # this is providing that the whole script is written properly.
> # it causes immediate exit after one command (outside if, and
> # outside || or && lists) fails - usually desirable, but takes more
> # work because you can't write the scripts as sloppily as the
> # snippet you've just shown from passwd-grp.sh.
> #
> # ...other work...
> #
> if [ "$created_passwd" = "yes" ] ; then
> /bin/chgrp --silent root /etc/passwd
> fi
>
> if [ "$created_group" = "yes" ] ; then
> /bin/chgrp --silent root /etc/group
> fi
I misinterpreted the `chgrp --silent'. I thought it would result
in an exit code of 0 from chgrp, but it just suppresses the error
messages. Sorry about that.
Corinna
--
Corinna Vinschen Please, send mails regarding Cygwin to
Cygwin Project Co-Leader cygwin AT cygwin DOT com
Red Hat
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next prev parent reply other threads:[~2010-08-12 14:41 UTC|newest]
Thread overview: 15+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-08-11 15:18 Jeremy Ramer
2010-08-12 9:59 ` Corinna Vinschen
2010-08-12 13:38 ` Jeremy Ramer
2010-08-12 14:05 ` Corinna Vinschen
2010-08-12 14:10 ` Matthias Andree
2010-08-12 14:41 ` Corinna Vinschen [this message]
2010-08-12 14:52 ` Matthias Andree
2010-08-12 14:54 ` Corinna Vinschen
2010-08-12 15:04 ` Matthias Andree
2010-08-12 15:15 ` Corinna Vinschen
2010-08-12 16:02 ` Matthias Andree
2010-08-12 17:56 ` Tilman Hausherr
2010-08-13 9:48 ` Corinna Vinschen
2010-08-20 19:32 ` Tilman Hausherr
[not found] <58C73DA23112384988EEB999F2EC04DC1E78D328@ATLEISEXCMBX1.eis.equifax.com>
2016-04-11 18:51 ` Ken Brown
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