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Re: yum exitcode changes in 3.2.19-3.fc9 break some mock builds

On Fri, 2008-09-12 at 16:05 +0100, Paul Howarth wrote:
> Today I tried building (in mock on a Fedora 9 host) some nmap packages 
> for CentOS3 as version 4.76 came out. The mock build crashed out at the 
> setup stage, due to the %pre script for the "dev" package failing (it 
> thinks devfs is mounted). As I had built packages for version 4.75 only 
> a couple of days ago, I tried rebuilding that and it now failed in the 
> same way. I'd installed a bunch of updates in the last couple of days 
> but the only one I could think of that might have caused that was the 
> yum upgrade. So I downgraded yum from 3.2.19-3.fc9 to 3.2.17-2.fc9 and 
> tried the build again, and this time it worked.
> The salient difference in the root.log was this:
>   DEBUG util.py:250:  Cannot install the dev package: mounted devfs 
> detected.
> +DEBUG util.py:250: 
> --------------------------------------------------------------------------------
> +DEBUG util.py:250:  Total                                           1.5 
> GB/s |  14 MB     00:00
>   DEBUG util.py:250:  error: %pre(dev- 
> scriptlet failed, exit status 1
>   DEBUG util.py:250:  error:   install: %pre scriptlet failed (2), 
> skipping dev-
>   DEBUG util.py:250:  ls:
> @@ -233,8 +236,7 @@
>   DEBUG util.py:250:  mkinitrd failed
>   DEBUG util.py:250:  Installed: libpcap.x86_64 14:0.7.2-7.E3.5 
> openssl-devel.x86_64 0:0.9.7a-33.24 pcre-devel.x86_64 0:3.9-10.4 
> pkgconfig.x86_64 1:0.14.0-5 zlib-devel.x86_64 0:1.1.4-10.EL3
>   DEBUG util.py:250:  Dependency Installed: dev.x86_64 
> 0: kernel.x86_64 0:2.4.21-57.EL krb5-devel.x86_64 
> 0:1.2.7-68 losetup.x86_64 0:2.11y-31.24 lvm.x86_64 0:1.0.8-14 
> mkinitrd.x86_64 0:
> -DEBUG util.py:311:  Child returncode was: 0
> -DEBUG backend.py:436:  Copying packages to result dir
> +DEBUG util.py:311:  Child returncode was: 1
>   DEBUG backend.py:484:  umount -n /var/lib/mock/centos-3-x86_64/root/proc
>   DEBUG util.py:272:  Executing command: umount -n 
> /var/lib/mock/centos-3-x86_64/root/proc
>   DEBUG util.py:311:  Child returncode was: 0
> So the scriptlet failures that didn't formerly affect affect mock builds 
> due to the zero exit code of yum are now causing build failures due to a 
> "1" exit code.
> I'm not sure what the best approach to fixing this should be. It makes 
> perfect sense to me for yum to return a non-zero exit code when there's 
> a scriptlet failure yet in some cases this is a problem that doesn't 
> affect the subsequent build.
> As I suspect that this is a problem that mainly affects legacy 
> distribution versions, perhaps there could be a mock option that could 
> be set in the config file to ignore the yum exit code?

Yah - the exit code was changed with a scriptlet failure. I think the
correct thing to do here is to fix the pkg causing the scriptlet

Is there a reason why we can't do that?


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