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|
#!perl
# Reports, in a perl source tree, which dual-lived core modules have not the
# same version than the corresponding module on CPAN.
# with -t option, can compare multiple source trees in tabular form.
use 5.9.0;
use strict;
use Getopt::Std;
use ExtUtils::MM_Unix;
use lib 'Porting';
use Maintainers qw(get_module_files reload_manifest %Modules);
use Cwd;
use List::Util qw(max);
our $packagefile = '02packages.details.txt';
sub usage () {
die <<USAGE;
$0
$0 -t home1[:label] home2[:label] ...
Report which core modules are outdated.
To be run at the root of a perl source tree.
Options :
-h : help
-v : verbose (print all versions of all files, not only those which differ)
-f : force download of $packagefile from CPAN
(it's expected to be found in the current directory)
-t : display in tabular form CPAN vs one or more perl source trees
USAGE
}
sub get_package_details () {
my $url = 'http://www.cpan.org/modules/02packages.details.txt.gz';
unlink $packagefile;
system("wget $url && gunzip $packagefile.gz") == 0
or die "Failed to get package details\n";
}
getopts('fhvt');
our $opt_h and usage;
our $opt_t;
my @sources = @ARGV ? @ARGV : '.';
die "Too many directories specified without -t option\n"
if @sources != 1 and ! $opt_t;
@sources = map {
# handle /home/user/perl:bleed style labels
my ($dir,$label) = split /:/;
$label = $dir unless defined $label;
[ $dir, $label ];
} @sources;
our $opt_f || !-f $packagefile and get_package_details;
# Load the package details. All of them.
my %cpanversions;
open my $fh, $packagefile or die $!;
while (<$fh>) {
my ($p, $v) = split ' ';
next if 1../^\s*$/; # skip header
$cpanversions{$p} = $v;
}
close $fh;
my %results;
# scan source tree(s) and CPAN module list, and put results in %results
foreach my $source (@sources) {
my ($srcdir, $label) = @$source;
my $olddir = getcwd();
chdir $srcdir or die "chdir $srcdir: $!\n";
# load the MANIFEST file in the new directory
reload_manifest;
for my $dist (sort keys %Modules) {
next unless $Modules{$dist}{CPAN};
for my $file (get_module_files($dist)) {
next if $file !~ /(\.pm|_pm.PL)\z/
or $file =~ m{^t/} or $file =~ m{/t/};
my $vcore = '!EXIST';
$vcore = MM->parse_version($file) // 'undef' if -f $file;
# get module name from filename to lookup CPAN version
my $module = $file;
$module =~ s/\_pm.PL\z//;
$module =~ s/\.pm\z//;
# some heuristics to figure out the module name from the file name
$module =~ s{^(lib|ext|dist|cpan)/}{}
and $1 =~ /(?:ext|dist|cpan)/
and (
# ext/Foo-Bar/Bar.pm
$module =~ s{^(\w+)-(\w+)/\2$}{$1/lib/$1/$2},
# ext/Encode/Foo/Foo.pm
$module =~ s{^(Encode)/(\w+)/\2$}{$1/lib/$1/$2},
$module =~ s{^[^/]+/}{},
$module =~ s{^lib/}{},
);
$module =~ s{/}{::}g;
my $vcpan = $cpanversions{$module} // 'undef';
$results{$dist}{$file}{$label} = $vcore;
$results{$dist}{$file}{CPAN} = $vcpan;
}
}
chdir $olddir or die "chdir $olddir: $!\n";
}
# output %results in the requested format
my @labels = ((map $_->[1], @sources), 'CPAN' );
if ($opt_t) {
my %changed;
my @fields;
for my $dist (sort { lc $a cmp lc $b } keys %results) {
for my $file (sort keys %{$results{$dist}}) {
my @versions = @{$results{$dist}{$file}}{@labels};
for (0..$#versions) {
$fields[$_] = max($fields[$_],
length $versions[$_],
length $labels[$_],
length '!EXIST'
);
}
if (our $opt_v or grep $_ ne $versions[0], @versions) {
$changed{$dist} = 1;
}
}
}
printf "%*s ", $fields[$_], $labels[$_] for 0..$#labels;
print "\n";
printf "%*s ", $fields[$_], '-' x length $labels[$_] for 0..$#labels;
print "\n";
my $field_total;
$field_total += $_ + 1 for @fields;
for my $dist (sort { lc $a cmp lc $b } keys %results) {
next unless $changed{$dist};
print " " x $field_total, " $dist\n";
for my $file (sort keys %{$results{$dist}}) {
my @versions = @{$results{$dist}{$file}}{@labels};
for (0..$#versions) {
printf "%*s ", $fields[$_], $versions[$_]//'!EXIST'
}
print " $file\n";
}
}
}
else {
for my $dist (sort { lc $a cmp lc $b } keys %results) {
my $distname_printed = 0;
for my $file (sort keys %{$results{$dist}}) {
my ($vcore, $vcpan) = @{$results{$dist}{$file}}{@labels};
if (our $opt_v or $vcore ne $vcpan) {
print "\n$dist ($Modules{$dist}{MAINTAINER}):\n" unless ($distname_printed++);
print "\t$file: core=$vcore, cpan=$vcpan\n";
}
}
}
}
|
