metadata: do not emit feature flag selects for targets which have subtargets - fixes...
[openwrt/openwrt.git] / scripts / timestamp.pl
1 #!/usr/bin/env perl
2 #
3 # Copyright (C) 2006 OpenWrt.org
4 #
5 # This is free software, licensed under the GNU General Public License v2.
6 # See /LICENSE for more information.
7 #
8
9 use strict;
10
11 sub get_ts($$) {
12 my $path = shift;
13 my $options = shift;
14 my $ts = 0;
15 my $fn = "";
16 $path .= "/" if( -d $path);
17 open FIND, "find $path -type f -and -not -path \\*/.svn\\* -and -not -path \\*CVS\\* $options 2>/dev/null |";
18 while (<FIND>) {
19 chomp;
20 my $file = $_;
21 next if -l $file;
22 my $mt = (stat $file)[9];
23 if ($mt > $ts) {
24 $ts = $mt;
25 $fn = $file;
26 }
27 }
28 close FIND;
29 return ($ts, $fn);
30 }
31
32 (@ARGV > 0) or push @ARGV, ".";
33 my $ts = 0;
34 my $n = ".";
35 my %options;
36 while (@ARGV > 0) {
37 my $path = shift @ARGV;
38 if ($path =~ /^-x/) {
39 my $str = shift @ARGV;
40 $options{"findopts"} .= " -and -not -path '".$str."'"
41 } elsif ($path =~ /^-f/) {
42 $options{"findopts"} .= " -follow";
43 } elsif ($path =~ /^-n/) {
44 my $arg = $ARGV[0];
45 $options{$path} = $arg;
46 } elsif ($path =~ /^-/) {
47 $options{$path} = 1;
48 } else {
49 my ($tmp, $fname) = get_ts($path, $options{"findopts"});
50 if ($tmp > $ts) {
51 if ($options{'-F'}) {
52 $n = $fname;
53 } else {
54 $n = $path;
55 }
56 $ts = $tmp;
57 }
58 }
59 }
60
61 if ($options{"-n"}) {
62 exit ($n eq $options{"-n"} ? 0 : 1);
63 } elsif ($options{"-p"}) {
64 print "$n\n";
65 } elsif ($options{"-t"}) {
66 print "$ts\n";
67 } else {
68 print "$n\t$ts\n";
69 }