2 # Reports, in a perl source tree, which dual-lived core modules have not the
3 # same version than the corresponding module on CPAN.
4 # with -t option, can compare multiple source trees in tabular form.
11 use Maintainers qw(get_module_files %Modules);
14 use List::Util qw(max);
16 our $packagefile = '02packages.details.txt';
21 $0 -t home1[:label] home2[:label] ...
23 Report which core modules are outdated.
24 To be run at the root of a perl source tree.
28 -v : verbose (print all versions of all files, not only those which differ)
29 -f : force download of $packagefile from CPAN
30 (it's expected to be found in the current directory)
31 -t : display in tabular form CPAN vs one or more perl source trees
35 sub get_package_details () {
36 my $url = 'http://www.cpan.org/modules/02packages.details.txt.gz';
38 system("wget $url && gunzip $packagefile.gz") == 0
39 or die "Failed to get package details\n";
46 my @sources = @ARGV ? @ARGV : '.';
47 die "Too many directories speficied without -t option\n"
48 if @sources != 1 and ! $opt_t;
51 # handle /home/user/perl:bleed style labels
52 my ($dir,$label) = split /:/;
53 $label = $dir unless defined $label;
57 our $opt_f || !-f $packagefile and get_package_details;
59 # Load the package details. All of them.
61 open my $fh, $packagefile or die $!;
63 my ($p, $v) = split ' ';
64 next if 1../^\s*$/; # skip header
65 $cpanversions{$p} = $v;
71 # scan source tree(s) and CPAN module list, and put results in %results
73 foreach my $source (@sources) {
74 my ($srcdir, $label) = @$source;
75 my $olddir = getcwd();
76 chdir $srcdir or die "chdir $srcdir: $!\n";
78 for my $dist (sort keys %Modules) {
79 next unless $Modules{$dist}{CPAN};
80 for my $file (get_module_files($dist)) {
81 next if $file !~ /\.pm\z/ or $file =~ m{^t/} or $file =~ m{/t/};
83 $vcore = MM->parse_version($file) // 'undef' if -f $file;
85 $module =~ s/\.pm\z//;
86 # some heuristics to figure out the module name from the file name
87 $module =~ s{^(lib|ext)/}{}
89 and ( $module =~ s{^(.*)/lib/\1\b}{$1},
90 $module =~ s{(\w+)/\1\b}{$1},
91 $module =~ s{^Encode/encoding}{encoding},
92 $module =~ s{^MIME/Base64/QuotedPrint}{MIME/QuotedPrint},
93 $module =~ s{^List/Util/lib/Scalar}{Scalar},
96 my $vcpan = $cpanversions{$module} // 'undef';
97 $results{$dist}{$file}{$label} = $vcore;
98 $results{$dist}{$file}{CPAN} = $vcpan;
102 chdir $olddir or die "chdir $olddir: $!\n";
105 # output %results in the requested format
107 my @labels = ((map $_->[1], @sources), 'CPAN' );
112 for my $dist (sort keys %results) {
113 for my $file (sort keys %{$results{$dist}}) {
114 my @versions = @{$results{$dist}{$file}}{@labels};
115 for (0..$#versions) {
116 $fields[$_] = max($fields[$_],
117 length $versions[$_],
122 if (our $opt_v or grep $_ ne $versions[0], @versions) {
127 printf "%*s ", $fields[$_], $labels[$_] for 0..$#labels;
129 printf "%*s ", $fields[$_], '-' x length $labels[$_] for 0..$#labels;
133 $field_total += $_ + 1 for @fields;
135 for my $dist (sort keys %results) {
136 next unless $changed{$dist};
137 print " " x $field_total, " $dist\n";
138 for my $file (sort keys %{$results{$dist}}) {
139 my @versions = @{$results{$dist}{$file}}{@labels};
140 for (0..$#versions) {
141 printf "%*s ", $fields[$_], $versions[$_]//'!EXIST'
148 for my $dist (sort keys %results) {
149 print "Module $dist...\n";
150 for my $file (sort keys %{$results{$dist}}) {
151 my ($vcore, $vcpan) = @{$results{$dist}{$file}}{@labels};
152 if (our $opt_v or $vcore ne $vcpan) {
153 print " $file: core=$vcore, cpan=$vcpan\n";