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buildsys: print out which patch we apply
[pve-kernel.git] / debian / scripts / abi-generate
1 #!/usr/bin/perl -w
2
3 use PVE::Tools;
4
5 use IO::File;
6
7 sub usage {
8 die "USAGE: $0 INFILE OUTFILE [ABI INFILE-IS-DEB]\n";
9 }
10
11 my $input_file = shift // usage();
12 my $output_file = shift // usage();
13 my $abi = shift;
14 my $extract_deb = shift;
15
16 die "input file '$input_file' does not exist\n" if ! -e $input_file;
17
18 my $modules_symver_fh;
19
20 if ($extract_deb) {
21 usage() if !defined($abi);
22 my $cmd = [];
23 push @$cmd, ['dpkg', '--fsys-tarfile', $input_file];
24 push @$cmd, ['tar', '-xOf', '-', "./usr/src/linux-headers-${abi}/Module.symvers"];
25 $modules_symver_fh = IO::File->new_tmpfile();
26 PVE::Tools::run_command($cmd, output => '>&'.fileno($modules_symver_fh));
27 seek($modules_symver_fh, 0, 0);
28 } else {
29 open($modules_symver_fh, '<', $input_file) or die "can't open '$input_file' - $!\n";
30 }
31
32 my $lines = [];
33 while(my $line = <$modules_symver_fh>) {
34 if ($line =~ /^(.+)\s+(.+)\s+(.+)$/) {
35 push @$lines, "$3 $2 $1";
36 } else {
37 warn "malformed symvers line: '$line'\n";
38 }
39 }
40 close($modules_symver_fh);
41
42 PVE::Tools::file_set_contents($output_file, join("\n", sort @$lines));