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#!/usr/bin/perl -w
#
# generate_firmware_task
#
# Work out which firmware packages we need
# Several steps:
#
# 1. Look for packages which contain "firmware" or "microcode" in their package names
# 2. Check each of those packages to see if they contain files in /lib/firmware
# 3. For those that do, output the package name into the firmware task
#
# Copyright Steve McIntyre <93sam@debian.org> 2011
#
# GPL 2
#
use strict;
my ($mirror, $codename, $archlist, $outfile, $localdebs);
my $date;
my $pkgfiles = "";
my ($pkg, $filename, $arch);
my %seen;
$codename = $ENV{'CODENAME'};
$mirror = $ENV{'MIRROR'};
$localdebs = $ENV{'LOCALDEBS'};
$archlist = shift;
$outfile = shift;
if (!defined($codename) || !defined($mirror) ||
!defined($archlist) || !defined($outfile)) {
die "Error in arguments\n";
}
foreach $arch (split(' ', $archlist)) {
$pkgfiles = "$pkgfiles $mirror/dists/$codename/*/binary-$arch/Packages.gz";
}
if (defined($localdebs)) {
foreach $arch (split(' ', $archlist)) {
$pkgfiles = "$pkgfiles $localdebs/dists/$codename/*/binary-$arch/Packages.gz";
}
}
open (OUT, "> $outfile") or die "Can't open outfile for writing: $!\n";
$date = `date -u`;
chomp $date;
print OUT "/*\n";
print OUT " * 'firmware' task file; generated automatically by generate_firmware_task\n";
print OUT " * for \"$archlist\" on $date\n";
print OUT " * Do not edit - changes will not be preserved\n";
print OUT " */\n";
print "$0: Checking for firmware packages:\n";
open (INPKG, "zcat $pkgfiles |") or die "Can't read input package files: $!\n";
$/ = ''; # Browse by paragraph
sub contains_firmware($$) {
my $count = 0;
open (PKGLISTING, "dpkg --contents $mirror/$filename | grep ' ./lib/firmware/' |") or
die "Can't check package file $filename: $!\n";
while ($_ = <PKGLISTING>) {
$count++;
}
if ($count) {
return 1;
} else {
return 0;
}
}
while (defined($_ = <INPKG>)) {
m/^Package: (\S+)/m and $pkg = $1;
m/^Filename: (\S+)/m and $filename = $1;
if (! ($pkg =~ /(microcode|firmware)/)) {
next;
}
if (!exists $seen{$filename}) {
$seen{$filename} = 1;
if (contains_firmware($mirror, $filename)) {
print " $pkg ($filename)\n";
print OUT "$pkg\n";
}
}
}
close INPKG;
close OUT;
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