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root/src/vendor/perl/5.26.0/Porting/corecpan.pl
Revision: 9589
Committed: Sun Oct 1 18:18:27 2017 UTC (6 years, 7 months ago) by laffer1
Content type: text/plain
File size: 4633 byte(s)
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File Contents

# Content
1 #!perl
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.
5
6 use 5.9.0;
7 use strict;
8 use Getopt::Std;
9 use ExtUtils::MM_Unix;
10 use lib 'Porting';
11 use Maintainers qw(get_module_files reload_manifest %Modules);
12 use Cwd;
13
14 use List::Util qw(max);
15
16 our $packagefile = '02packages.details.txt';
17
18 sub usage () {
19 die <<USAGE;
20 $0
21 $0 -t home1[:label] home2[:label] ...
22
23 Report which core modules are outdated.
24 To be run at the root of a perl source tree.
25
26 Options :
27 -h : help
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
32 USAGE
33 }
34
35 sub get_package_details () {
36 my $url = 'http://www.cpan.org/modules/02packages.details.txt.gz';
37 unlink $packagefile;
38 system("wget $url && gunzip $packagefile.gz") == 0
39 or die "Failed to get package details\n";
40 }
41
42 getopts('fhvt');
43 our $opt_h and usage;
44 our $opt_t;
45
46 my @sources = @ARGV ? @ARGV : '.';
47 die "Too many directories specified without -t option\n"
48 if @sources != 1 and ! $opt_t;
49
50 @sources = map {
51 # handle /home/user/perl:bleed style labels
52 my ($dir,$label) = split /:/;
53 $label = $dir unless defined $label;
54 [ $dir, $label ];
55 } @sources;
56
57 our $opt_f || !-f $packagefile and get_package_details;
58
59 # Load the package details. All of them.
60 my %cpanversions;
61 open my $fh, '<', $packagefile or die $!;
62 while (<$fh>) {
63 my ($p, $v) = split ' ';
64 next if 1../^\s*$/; # skip header
65 $cpanversions{$p} = $v;
66 }
67 close $fh;
68
69 my %results;
70
71 # scan source tree(s) and CPAN module list, and put results in %results
72
73 foreach my $source (@sources) {
74 my ($srcdir, $label) = @$source;
75 my $olddir = getcwd();
76 chdir $srcdir or die "chdir $srcdir: $!\n";
77
78 # load the MANIFEST file in the new directory
79 reload_manifest;
80
81 for my $dist (sort keys %Modules) {
82 next unless $Modules{$dist}{CPAN};
83 for my $file (get_module_files($dist)) {
84 next if $file !~ /(\.pm|_pm.PL)\z/
85 or $file =~ m{^t/} or $file =~ m{/t/};
86 my $vcore = '!EXIST';
87 $vcore = MM->parse_version($file) // 'undef' if -f $file;
88
89 # get module name from filename to lookup CPAN version
90 my $module = $file;
91 $module =~ s/\_pm.PL\z//;
92 $module =~ s/\.pm\z//;
93 # some heuristics to figure out the module name from the file name
94 $module =~ s{^(lib|ext|dist|cpan)/}{}
95 and $1 =~ /(?:ext|dist|cpan)/
96 and (
97 # ext/Foo-Bar/Bar.pm
98 $module =~ s{^(\w+)-(\w+)/\2$}{$1/lib/$1/$2},
99 # ext/Encode/Foo/Foo.pm
100 $module =~ s{^(Encode)/(\w+)/\2$}{$1/lib/$1/$2},
101 $module =~ s{^[^/]+/}{},
102 $module =~ s{^lib/}{},
103 );
104 $module =~ s{/}{::}g;
105 my $vcpan = $cpanversions{$module} // 'undef';
106 $results{$dist}{$file}{$label} = $vcore;
107 $results{$dist}{$file}{CPAN} = $vcpan;
108 }
109 }
110
111 chdir $olddir or die "chdir $olddir: $!\n";
112 }
113
114 # output %results in the requested format
115
116 my @labels = ((map $_->[1], @sources), 'CPAN' );
117
118 if ($opt_t) {
119 my %changed;
120 my @fields;
121 for my $dist (sort { lc $a cmp lc $b } keys %results) {
122 for my $file (sort keys %{$results{$dist}}) {
123 my @versions = @{$results{$dist}{$file}}{@labels};
124 for (0..$#versions) {
125 $fields[$_] = max($fields[$_],
126 length $versions[$_],
127 length $labels[$_],
128 length '!EXIST'
129 );
130 }
131 if (our $opt_v or grep $_ ne $versions[0], @versions) {
132 $changed{$dist} = 1;
133 }
134 }
135 }
136 printf "%*s ", $fields[$_], $labels[$_] for 0..$#labels;
137 print "\n";
138 printf "%*s ", $fields[$_], '-' x length $labels[$_] for 0..$#labels;
139 print "\n";
140
141 my $field_total;
142 $field_total += $_ + 1 for @fields;
143
144 for my $dist (sort { lc $a cmp lc $b } keys %results) {
145 next unless $changed{$dist};
146 print " " x $field_total, " $dist\n";
147 for my $file (sort keys %{$results{$dist}}) {
148 my @versions = @{$results{$dist}{$file}}{@labels};
149 for (0..$#versions) {
150 printf "%*s ", $fields[$_], $versions[$_]//'!EXIST'
151 }
152 print " $file\n";
153 }
154 }
155 }
156 else {
157 for my $dist (sort { lc $a cmp lc $b } keys %results) {
158 my $distname_printed = 0;
159 for my $file (sort keys %{$results{$dist}}) {
160 my ($vcore, $vcpan) = @{$results{$dist}{$file}}{@labels};
161 if (our $opt_v or $vcore ne $vcpan) {
162 print "\n$dist ($Modules{$dist}{MAINTAINER}):\n" unless ($distname_printed++);
163 print "\t$file: core=$vcore, cpan=$vcpan\n";
164 }
165 }
166 }
167 }