forked from pool/hwdata
957a5c474b
* Update pci and vendor ids OBS-URL: https://build.opensuse.org/package/show/devel:openSUSE:Factory/hwdata?expand=0&rev=167
112 lines
3.3 KiB
Perl
112 lines
3.3 KiB
Perl
#!/usr/bin/perl -w
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# Merge several PCI ID lists to a single one. This script tries to be as agnostic
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# of the details of the ID list as possible, so it should not break with future
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# changes of the ID list format as long as they follow the same block structure.
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#
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# Options:
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# -v: Verbose mode. Warn if multiple files provide different definitions for
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# the same device.
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#
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# (c) 2007 Martin Mares <mj@ucw.cz>, GPLv2
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# (c) 2013, 2015 Jean Delvare <jdelvare@suse.de>
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use strict;
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use Getopt::Std;
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use File::Copy;
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use vars qw($IDSD_PATH $MASTER_IDS $PCI_IDS @idsd_files $output);
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$IDSD_PATH = "/usr/share/pci.ids.d";
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$MASTER_IDS = "/usr/share/pci.ids.d/pci.ids.dist";
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$PCI_IDS = "/usr/share/pci.ids";
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our $opt_v;
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getopts('v');
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if (! -f $MASTER_IDS) {
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print STDERR "ERROR: $MASTER_IDS not found, giving up\n";
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exit 1;
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}
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sub collect_files($)
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{
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my ($dir) = @_;
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my ($file, @files);
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opendir(my $dh, $dir) || die "Could not open directory $dir: $!";
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# Ignore non-files and hidden files
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while (defined ($file = readdir($dh))) {
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push @files, "$dir/$file" if $file !~ m/^\./ && -f "$dir/$file";
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}
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closedir($dh);
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return @files;
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}
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my %ids = ();
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my %comments = ();
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@idsd_files = collect_files($IDSD_PATH);
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foreach our $file (@idsd_files) {
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my $fn = ($file =~ /\.gz$/) ? "zcat $file |" : ($file =~ /\.bz2$/) ? "bzcat $file |" : $file;
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open F, $fn or die "Unable to open $file: $!";
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my @id = ();
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my $comm = "";
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my $class = 0;
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sub err($) {
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print STDERR "Error in $file, line $.: @_\n";
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# If merging fails for whatever reason, fallback to master file copy
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print STDERR "WARNING: Merge not successful, using master pci.ids file\n";
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copy($MASTER_IDS, $PCI_IDS) || die "Could not copy $MASTER_IDS to $PCI_IDS: $!";
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chmod(0644, "$PCI_IDS");
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exit 1;
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}
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while (<F>) {
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if (/^(#.*|\s*$)/) {
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$comm .= $_;
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next;
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}
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chomp;
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if (/^(\t|C\s+|)([0-9a-fA-F]+)\s+(.*)$/ ||
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(!$class && /^(\t\t)([0-9a-fA-F]+\s+[0-9a-fA-F]+)\s+(.*)$/) ||
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($class && /^(\t\t)([0-9a-fA-F]+)\s+(.*)$/)) {
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my $indent = $1;
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my $id = lc($2);
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my $name = $3;
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if ($indent =~ /^C\s+$/) {
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$indent = "";
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$id = "C $id";
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}
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my $depth = length $indent;
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$depth <= @id or err "Mismatched indentation";
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@id = (@id[0..$depth-1], $id);
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$class = ($id =~ /^C\s/) if !$depth; # Remember if we are in a vendor or a class section
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my $i = join(":", @id);
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my $j = $class ? "~$i" : $i; # We want to sort special entries last
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if ($opt_v && exists $ids{$j} && $ids{$j} ne $name) {
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print STDERR "Warning: ID $i has two different definitions, using the one from $file\n";
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}
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$ids{$j} = $name;
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$comments{$j} = $comm if $comm;
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} else {
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err "Parse error";
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}
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$comm = "";
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}
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close F;
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}
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# Write to a temporary file to avoid a race condition with lspci
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open($output, ">", "$PCI_IDS.part") || die "Could not write to $PCI_IDS.part: $!";
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print $output "# This file has been merged automatically from the following files:\n#\t", join("\n#\t", @idsd_files), "\n\n";
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foreach my $id (sort keys %ids) {
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my ($i, $j) = ($id, $id);
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$i =~ s/[^:]//g;
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$i =~ tr/:/\t/;
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$j =~ s/.*://g;
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$j =~ s/^~//;
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print $output $comments{$id} if $comments{$id};
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print $output "$i$j $ids{$id}\n";
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}
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close($output);
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rename("$PCI_IDS.part", "$PCI_IDS") || die "Could not rename $PCI_IDS.part to $PCI_IDS: $!";
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chmod(0644, "$PCI_IDS");
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