Hi
On Friday 04 March 2011, Ben Hutchings wrote:
> On Fri, Mar 04, 2011 at 12:00:48AM +0100, Stefan Lippers-Hollmann wrote:
[...]
> > > Modified: dists/trunk/linux-2.6/debian/templates/temp.image.plain/postinst
> > > ==============================================================================
> > > --- dists/trunk/linux-2.6/debian/templates/temp.image.plain/postinst
> > > Tue Mar 1 02:19:31 2011 (r16957)
> > > +++ dists/trunk/linux-2.6/debian/templates/temp.image.plain/postinst
> > > Tue Mar 1 05:44:42 2011 (r16958)
> > > [...]
> > > @@ -821,6 +793,10 @@
> > > die "Error asking debconf question $question: $seen" if $ret && $ret
> > > != 30;
> > > }
> > >
> > > +if ($initrd && ! -e "initrd.img-$version") {
> >
> > I think this needs to be prepended by the full install path, like:
> > if ($initrd && ! -e "${realimageloc}initrd.img-$version") {
> [...]
>
> We have already chdir()'d to that directory.
I'm certainly not overly fluent in perl, but I'm pretty sure that cwd
is / at that stage
[...]
#known variables
my $image_dest = "/";
my $realimageloc = "/boot/";
my $have_conffile = "";
[...]
# Do some preliminary sanity checks here to ensure we actually have an
# valid image dir
chdir('/') or die "could not chdir to /:$!\n";
[...]
# most of our work is done in $image_dest (nominally /)
chdir("$image_dest") or die "could not chdir to $image_dest:$!\n";
[...]
the only remaining chdir() call is in test_relative() and doesn't
appear to have an effect on the cwd.
Likewise extending the afforementioned check with a quick and dirty call to
getcwd() seems to agree with / being the cwd at that stage:
[...]
if ($initrd && ! -e "initrd.img-$version") {
use Cwd;
print STDERR "Current working directory: " . getcwd() . "\n";
die "Failed to create initrd image.\n";
}
[...]
Which results in:
[...]
run-parts: executing /etc/kernel/postinst.d/initramfs-tools
2.6.38-rc7-amd64 /boot/vmlinuz-2.6.38-rc7-amd64
update-initramfs: Generating /boot/initrd.img-2.6.38-rc7-amd64
run-parts: executing /etc/kernel/postinst.d/zz-update-grub
2.6.38-rc7-amd64 /boot/vmlinuz-2.6.38-rc7-amd64
Generating grub.cfg ...
[...]
Current working directory: /
Failed to create initrd image.
dpkg: error processing linux-image-2.6.38-rc7-amd64 (--configure):
subprocess installed post-installation script returned error exit
status 2
While it succeeds correctly with (after convincing
/etc/kernel/postinst.d/initramfs-tools to generate initrds for official
Debian kernels as well) by using:
if ($initrd && ! -e "${realimageloc}initrd.img-$version") {
Regards
Stefan Lippers-Hollmann
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