On Tue, May 05, 2015 at 10:48:37AM +0200, Thomas Goirand wrote: > > > On 05/04/2015 10:39 PM, Scott Moser wrote: > >On Mon, 4 May 2015, Antonio Terceiro wrote: > > > >>On Mon, May 04, 2015 at 12:48:37PM -0400, Scott Moser wrote: > >>>>Also, what about the do-not-use-EXIT-when-trapping.patch patch which I > >>>>had to > >>>>add in Debian? Could you please apply them both? > >>> > >>>EXIT is posix compatible. you really should change the shell to be posix > >>>compatible rather than changing all programs to expect a subset of poxix > >>>shell. > >>> http://pubs.opengroup.org/onlinepubs/000095399/utilities/trap.html > >> > >>EXIT is supported by dash ... I have just tested the script below and it > >>works as expected on all Debian release since at least wheezy. > > > >I think its not supported in the static busybox that is in debian > >initramfs. > > > >Not sure, but I think that was the problem. > > Scott, you are correct, the issue is in early boot using busybox within the > initramfs.
There is something weird, then. I have just tested that same script
against the busybox `sh` from busybox-static on wheezy, jessie and sid
and they all worked just fine.
----------------8<----------------8<----------------8<-----------------
$ cat /tmp/test
#!/bin/sh
cleanup() {
echo "exiting ..."
}
trap cleanup EXIT
$ for release in wheezy jessie sid; do echo $release; echo $release | sed -e
's/./-'/g; echo; schroot -c $release -u root -- bash -x -c 'apt-get install -qy
busybox-static >/dev/null 2>&1 && busybox sh -x /tmp/test'; echo; done
wheezy
------
+ apt-get install -qy busybox-static
+ busybox sh -x /tmp/test
+ trap cleanup EXIT
+ cleanup
+ echo exiting ...
exiting ...
jessie
------
+ apt-get install -qy busybox-static
+ busybox sh -x /tmp/test
+ trap cleanup EXIT
+ cleanup
+ echo exiting ...
exiting ...
sid
---
+ apt-get install -qy busybox-static
+ busybox sh -x /tmp/test
+ trap cleanup EXIT
+ cleanup
+ echo exiting ...
exiting ...
$
----------------8<----------------8<----------------8<-----------------
>
> I'm ok with having the issue fixed in Stretch for adding support for EXIT in
> busybox, but as you know, it will be a lot more difficult to fix the issue
> in Jessie and Wheezy, so I think it's better to just keep the patch to not
> use EXIT.
>
> What's the problem for applying the patch upstream? Don't you think that
> other distribution may as well have the issue? Shouldn't we just try to stay
> on the safe side here?
>
> Cheers,
>
> Thomas Goirand (zigo)
>
>
> --
> To UNSUBSCRIBE, email to debian-cloud-requ...@lists.debian.org
> with a subject of "unsubscribe". Trouble? Contact listmas...@lists.debian.org
> Archive: https://lists.debian.org/554883e5.6060...@goirand.fr
>
--
Antonio Terceiro <terce...@debian.org>
signature.asc
Description: Digital signature
