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|
#!/usr/bin/perl -w
=head1 NAME
dh_installmodules - register modules with modutils
=cut
use strict;
use Debian::Debhelper::Dh_Lib;
use File::Find;
=head1 SYNOPSIS
B<dh_installmodules> [S<I<debhelper options>>] [B<-n>] [B<--name=>I<name>]
=head1 DESCRIPTION
dh_installmodules is a debhelper program that is responsible for
registering kernel modules.
Files named debian/package.modprobe will be installed in
etc/modprobe.d/package in the package build directory, to be used by
module-init-tools's version of modprobe.
Kernel modules are searched for in the package build directory and if
found, postinst and postrm commands are automatically generated to
run depmod and register the modules when the package is installed.
These commands are inserted into the maintainer scripts by dh_installdeb.
See L<dh_installdeb(1)> for an explanation of how this works.
Previous versions of dh_installmodules also supported
files named debian/package.modules, which were installed into
etc/modutils/package in the package build directory. This was for use by
modutils, which is no longer in Debian. dh_installmodules will warn about
such files now.
=head1 OPTIONS
=over 4
=item B<-n>, B<--noscripts>
Do not modify postinst/postrm scripts.
=item B<--name=>I<name>
When this parameter is used, dh_installmodules looks for and
installs files named debian/package.name.modules and
debian/package.name.modprobe instead of the usual
debian/package.modules and debian/package.modprobe
=back
=head1 NOTES
Note that this command is not idempotent. L<dh_prep(1)> should be called
between invocations of this command. Otherwise, it may cause multiple
instances of the same text to be added to maintainer scripts.
=cut
init();
# Looks for kernel modules in the passed directory. If any are found,
# returns the kernel version (or versions) that the modules seem to be for.
sub find_kernel_modules {
my $searchdir=shift;
my %versions;
return unless -d $searchdir;
find(sub {
if (/\.k?o$/) {
my ($kvers)=$File::Find::dir=~m!lib/modules/([^/]+)/!;
if (! defined $kvers || ! length $kvers) {
warning("Cannot determine kernel version for module $File::Find::name");
}
else {
$versions{$kvers}=1;
}
}
}, $searchdir);
return keys %versions;
}
foreach my $package (@{$dh{DOPACKAGES}}) {
my $tmp=tmpdir($package);
my $modutils_file=pkgfile($package,"modules");
my $modprobe_file=pkgfile($package,"modprobe");
if (! -e $tmp) {
doit("install","-d",$tmp);
}
if ($modutils_file) {
warning("ignoring $modutils_file, since modutils is no longer in Debian");
}
if ($modprobe_file) {
if (! -e "$tmp/etc/modprobe.d") {
doit("install","-d","$tmp/etc/modprobe.d");
}
doit("install","-m","0644",$modprobe_file,"$tmp/etc/modprobe.d/".pkgfilename($package));
}
if (! $dh{NOSCRIPTS}) {
foreach my $kvers (find_kernel_modules("$tmp/lib/modules")) {
autoscript($package,"postinst","postinst-modules","s/#KVERS#/$kvers/g");
autoscript($package,"postrm","postrm-modules","s/#KVERS#/$kvers/g");
}
}
}
=head1 SEE ALSO
L<debhelper(7)>
This program is a part of debhelper.
=head1 AUTHOR
Joey Hess <joeyh@debian.org>
=cut
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