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Skip another module from the VERSION comparison checks
[perl5.git] / Porting / cmpVERSION.pl
1 #!/usr/bin/perl -w
2
3 #
4 # cmpVERSION - compare two Perl source trees for modules
5 # that have identical version numbers but different contents.
6 #
7 # Original by slaven@rezic.de, modified by jhi.
8 #
9
10 use strict;
11
12 use ExtUtils::MakeMaker;
13 use File::Compare;
14 use File::Find;
15 use File::Spec::Functions qw(rel2abs abs2rel catfile catdir curdir);
16
17 for (@ARGV[0, 1]) {
18     die "$0: '$_' does not look like Perl directory\n"
19         unless -f catfile($_, "perl.h") && -d catdir($_, "Porting");
20 }
21
22 my $dir2 = rel2abs($ARGV[1]);
23 chdir $ARGV[0] or die "$0: chdir '$ARGV[0]' failed: $!\n";
24
25 # Files to skip from the check for one reason or another,
26 # usually because they pull in their version from some other file.
27 my %skip;
28 @skip{
29     './lib/Carp/Heavy.pm',
30     './lib/Exporter/Heavy.pm',
31     './win32/FindExt.pm'
32 } = ();
33 my $skip_dirs = qr|^\./t/lib|;
34
35 my @wanted;
36 find(
37      sub { /\.pm$/ &&
38                $File::Find::dir !~ $skip_dirs &&
39                ! exists $skip{$File::Find::name}
40                &&
41                do { my $file2 =
42                         catfile(catdir($dir2, $File::Find::dir), $_);
43                     (my $xs_file1 = $_)     =~ s/\.pm$/.xs/;
44                     (my $xs_file2 = $file2) =~ s/\.pm$/.xs/;
45                     if (-e $xs_file1 && -e $xs_file2) {
46                         return if compare($_, $file2) == 0 &&
47                                   compare($xs_file1, $xs_file2) == 0;
48                     } else {
49                         return if compare($_, $file2) == 0;
50                     }
51                     my $version1 = eval {MM->parse_version($_)};
52                     my $version2 = eval {MM->parse_version($file2)};
53                     push @wanted, $File::Find::name
54                         if defined $version1 &&
55                            defined $version2 &&
56                            $version1 eq $version2
57                 } }, curdir);
58 print map { $_, "\n" } sort @wanted;
59