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assemble: actively cleanup unreferenced FW files

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we use the linux-firmware.git copy script instead of our logic to
copy and generate links for FW files.

While its allows for a more complete result with less maintenance
required it also results in copying over to much (i.e., FW our
kernels do not know off).

So cleanup actively at the end - its not pretty but gets the job
done.

Signed-off-by: Thomas Lamprecht <t.lamprecht@proxmox.com>
This commit is contained in:
Thomas Lamprecht 2021-02-10 09:57:23 +01:00
parent fbfa5f47ce
commit c3fe809a7f
2 changed files with 43 additions and 1 deletions
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1
Makefile
View File

@ -25,6 +25,7 @@ fwdata: linux-firmware.git/WHENCE dvb-firmware.git/README fw.list
mkdir -p fwdata.tmp/lib/firmware
cd linux-firmware.git; ./copy-firmware.sh -v ../fwdata.tmp/lib/firmware/
./assemble-firmware.pl fw.list fwdata.tmp/lib/firmware
find fwdata.tmp/lib/firmware -empty -type d -delete
install -d fwdata.tmp/usr/share/doc/pve-firmware
cp linux-firmware.git/WHENCE fwdata.tmp/usr/share/doc/pve-firmware/README
install -d fwdata.tmp/usr/share/doc/pve-firmware/licenses

43
assemble-firmware.pl
View File

@ -301,6 +301,7 @@ sub copy_fw {
}
my $fwdone = {};
my $fwbase_name = {};
my $error = 0;
@ -309,6 +310,9 @@ while(defined(my $line = <$fd>)) {
chomp $line;
my ($fw, $mod) = split(/\s+/, $line, 2);
my $fw_name = basename($fw);
$fwbase_name->{$fw_name} = 1;
next if $mod =~ m|^kernel/sound|;
next if $mod =~ m|^kernel/drivers/isdn|;
@ -400,4 +404,41 @@ while(defined(my $line = <$fd>)) {
}
close($fd);
exit($error);
exit($error) if $error;
my $target_fw_string = `find '$target' -type f -o -type l`;
chomp $target_fw_string;
exit(-1) if !$target_fw_string;
my $all_fw_files = [ split("\n", $target_fw_string) ];
my ($keep, $delete) = (0, 0);
my $link_target = {};
for my $f (@$all_fw_files) {
next if ! -l $f;
my $link = basename($f);
my $file = readlink($f);
my $target = basename($file);
$link_target->{$target} = 1 if $fwbase_name->{$link};
$link_target->{$file} = 1 if $fwbase_name->{$link};
}
for my $f (@$all_fw_files) {
my $name = basename($f);
if ($fwbase_name->{$name}) {
$keep++;
} elsif ($link_target->{$name}) {
#print "skip link target '$f'\n";
$keep++;
} else {
print "delete unreferenced $f\n";
unlink $f or warn "ERROR deleting '$f' - $!\n";
$delete++;
}
}
print "cleanup end result: keep: $keep, delete: $delete\n";
exit(0);