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Dockerfile

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+FROM opensuse/leap:15.2
+
+RUN zypper refresh \
+    && zypper install -y \
+        osc \
+        perl \
+        perl-YAML-LibYAML \
+        perl-XML-Simple \
+        perl-Parse-CPAN-Packages \
+        procmail \
+        wget \
+        vim \
+        git \
+        perl-Text-Autoformat \
+        perl-YAML \
+        perl-Pod-POM \
+        perl-libwww-perl \
+        perl-Class-Accessor-Chained \
+        perl-Perl-PrereqScanner \
+        perl-Algorithm-Diff \
+        perl-Module-Build-Tiny \
+        perl-ExtUtils-Depends \
+        perl-ExtUtils-PkgConfig \
+        obs-service-format_spec_file \
+    && true
+
+
+RUN cd /tmp && wget http://www.cpan.org/modules/02packages.details.txt.gz
+
+ENV LANG=en_US.UTF-8 \
+    LC_CTYPE="en_US.UTF-8" \
+    LC_NUMERIC="en_US.UTF-8" \
+    LC_TIME="en_US.UTF-8" \
+    LC_COLLATE="en_US.UTF-8"
+
+
+# perl /cpanspec/cpanspec -v -f --skip-changes --pkgdetails /tmp/02packages.details.txt.gz tarball
+

bin/batch.pl

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+#!/usr/bin/perl
+use strict;
+use warnings;
+use 5.010;
+use Data::Dumper;
+use Getopt::Long;
+
+GetOptions(
+    "debug" => \my $debug,
+    "dry" => \my $dry,
+    "help|h" => \my $help,
+)   # flag
+or die "Error in command line arguments";
+
+if ($help) {
+    print <<'EOM';
+Usage:
+    batch.pl /path/to/packages 0 50 # process the first 51 packages
+EOM
+    exit;
+}
+
+my ($dir, $from, $to) = @ARGV;
+$from ||= 0;
+$to ||= $from;
+
+my @skip = qw/
+    perl-AcePerl
+    perl-Acme-MetaSyntactic
+    perl-Acme-Ook
+    perl-Algorithm-Munkres
+    perl-Alien-LibGumbo
+    perl-Alien-SVN
+    perl-Alien-Tidyp
+    perl-Apache-AuthNetLDAP
+    perl-Apache-Filter
+    perl-Apache-SessionX
+    perl-Apache-Gallery
+    perl-App-ProcIops
+    perl-App-Nopaste
+    perl-App-SVN-Bisect
+    perl-App-gcal
+    perl-Array-Dissect
+    perl-Audio-CD
+    perl-Authen-SASL-Cyrus
+    perl-BIND-Conf_Parser
+    perl-BSXML
+    perl-Boost-Geometry-Utils
+    perl-Class-Accessor-Chained
+    Class-Multimethods
+    perl-Crypt-HSXKPasswd
+    perl-Crypt-Rot13
+/;
+my %skip;
+@skip{ @skip } = ();
+
+opendir my $dh, $dir or die $!;
+my @pkgs = sort grep {
+    -d "$dir/$_" && m/^perl-/
+    and not exists $skip{ $_ }
+} readdir $dh;
+closedir $dh;
+
+my $count = @pkgs;
+say "Total: $count";
+
+my $opt_debug = $debug ? '--debug' : '';
+for my $i ($from .. $to) {
+    my $pkg = $pkgs[ $i ];
+    chdir $dir;
+    say "=========== ($i) $pkg";
+    next if $dry;
+    chdir $pkg;
+    my $mod = $pkg;
+    $mod =~ s/^perl-//;
+    my @glob = glob("$mod*");
+    my $cmd = qq{cpanspec $opt_debug -v -f --skip-changes --pkgdetails /tmp/02packages.details.txt.gz @glob 2>&1};
+    say "Cmd: $cmd";
+    my $out = qx{$cmd};
+    say $out;
+
+}

bin/intrusive.pl

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+#!/usr/bin/perl
+use strict;
+use warnings;
+use 5.010;
+use JSON::PP;
+use File::Basename qw/ dirname /;
+my $bin = dirname(__FILE__);
+require "$bin/../lib/Intrusive.pm";
+
+my $coder = JSON::PP->new->utf8->pretty->canonical;
+
+my ($path) = @ARGV;
+
+# Makefile.PL etc. might print things to STDOUT, temporary redirect
+# to STDERR
+open my $orig, ">&", STDOUT;
+open STDOUT, ">&STDERR";
+
+my $deps = Intrusive->new->dist_dir($path)->find_modules;
+
+# restore STDOUT
+open STDOUT, ">&", $orig;
+
+my $json = $coder->encode({%$deps});
+print $json;
+