--- /dev/null
+#!perl
+
+use strict;
+use warnings;
+
+use autodie;
+use version;
+
+use Archive::Extract;
+use Cwd;
+use File::Fetch;
+use File::Spec;
+use File::Temp 0.19;
+use List::Util;
+use Parse::CPAN::Meta;
+
+use File::HomeDir;
+use Parse::CPAN::Packages::Fast;
+
+my $target_dist = 'Devel-Cover';
+my $first_year = 2012;
+my $cpan_mirror = 'http://www.cpan.org';
+my %prereq_skip = (
+ 'run' => {
+ 'Perl::Tidy' => 1,
+ 'Test::Differences' => 1,
+ },
+);
+my %prereq_desc = (
+ 'PPI::HTML' => 'Devel::Cover lets you optionally pick between L<PPI::HTML> and L<Perl::Tidy>, but it will only use the former if both are installed.',
+);
+
+sub get_latest_dist {
+ my $dist = shift;
+
+ my $home = File::HomeDir->my_home;
+ my $pkgs = File::Spec->catfile($home, qw<.cpanplus 02packages.details.txt.gz>);
+ my $pcp = Parse::CPAN::Packages::Fast->new($pkgs);
+
+ my $d = $pcp->latest_distribution($dist);
+ die "Could not find distribution '$dist' on the CPAN" unless $d;
+
+ return $d;
+}
+
+sub get_dist_meta {
+ my $d = shift;
+
+ $cpan_mirror =~s{/+$}{}g;
+ my $cpanid = $d->cpanid;
+ my ($cp, $c) = $cpanid =~ /^((.).)/;
+ my $uri = join '/', $cpan_mirror, 'authors', 'id', $c, $cp, $cpanid,
+ $d->filename;
+
+ my $tmp_dir = File::Temp->newdir;
+ # Force symlinks resolution
+ my $tmp_dirname = Cwd::abs_path($tmp_dir->dirname);
+
+ my $ff = File::Fetch->new(uri => $uri);
+ my $archive = $ff->fetch(to => $tmp_dirname);
+ die $ff->error unless $archive;
+
+ my $ae = Archive::Extract->new(archive => $archive);
+ $ae->extract(to => $tmp_dirname) or die $ae->error;
+
+ my $files = {
+ map { File::Spec->catfile($tmp_dirname, $_) => 1 }
+ @{$ae->files}
+ };
+ my $abs_extract_path = Cwd::abs_path($ae->extract_path);
+ my @meta_candidates = map File::Spec->catfile($abs_extract_path, $_),
+ qw<META.json META.yml>;
+ my $meta_file;
+ for my $file (@meta_candidates) {
+ if ($files->{$file}) {
+ $meta_file = $file;
+ last;
+ }
+ }
+ die 'No META file for ' . $d->distvname . "\n" unless $meta_file;
+
+ return Parse::CPAN::Meta->load_file($meta_file);
+}
+
+my $latest_target = get_latest_dist($target_dist);
+my $target_version = $latest_target->version;
+my $meta = get_dist_meta($latest_target);
+
+my %eumm_phases = (
+ configure => [ qw<configure> ],
+ build => [ qw<build test> ],
+ run => [ qw<runtime> ],
+);
+my %prereqs = (
+ configure => {
+ 'ExtUtils::MakeMaker' => '0',
+ },
+ build => {
+ 'ExtUtils::MakeMaker' => '0',
+ 'Test::More' => '0',
+ },
+ perl => '5',
+);
+
+for my $eumm_phase (keys %eumm_phases) {
+ my $prereqs = $prereqs{$eumm_phase} ||= { };
+ my $skip = $prereq_skip{$eumm_phase};
+
+ for my $meta_phase (@{$eumm_phases{$eumm_phase}}) {
+
+ for my $type (qw<requires recommends>) {
+ my $phase_prereqs = $meta->{prereqs}{$meta_phase}{$type};
+ next unless $phase_prereqs;
+
+ while (my ($module, $version) = each %$phase_prereqs) {
+ next if $skip->{$module};
+
+ if ($module eq 'perl') {
+ if (not $prereqs{perl} or $prereqs{perl} < $version) {
+ $prereqs{perl} = $version;
+ }
+ } elsif (not exists $prereqs->{$module} or
+ version->parse($prereqs->{$module}) < version->parse($version)) {
+ $prereqs->{$module} = $version;
+ }
+ }
+ }
+ }
+}
+
+(my $target_pkg = $target_dist) =~ s/-/::/g;
+my $task_pkg = "Task::${target_pkg}::Recommended";
+(my $task_file = "lib/$task_pkg.pm") =~ s{::}{/}g;
+my $years = join ',', $first_year .. ((gmtime)[5] + 1900);
+
+my $old_task_version = '0.0.0';
+if (-e $task_file) {
+ open my $old_fh, '<', $task_file;
+ while (<$old_fh>) {
+ if (/our\s*\$VERSION\s*=\s*(.*);/) {
+ $old_task_version = $1;
+ $old_task_version =~ s/^(['"])(.*)\1$/$2/;
+ }
+ }
+ close $old_fh;
+}
+my ($old_task_revision) = $old_task_version =~ /([0-9]+)$/;
+
+my $new_task_version = version->parse($target_version)->normal;
+my $new_task_revision = $old_task_revision;
+++$new_task_revision
+ if version->parse($new_task_version) <= version->parse($old_task_version);
+if (($target_version =~ tr/.//) < 2) {
+ my @components = split /\./, $new_task_version;
+ $components[2] = $new_task_revision;
+ $new_task_version = join '.', @components;
+} else {
+ $new_task_version .= ".$new_task_revision";
+}
+
+(my $bug_queue = $task_pkg) =~ s/::/-/g;
+my $bug_email = "bug-\L$bug_queue\E at rt.cpan.org";
+$bug_queue = "http://rt.cpan.org/NoAuth/ReportBug.html?Queue=$bug_queue";
+
+sub deplist_to_pod {
+ my @deplist = @_;
+ return 'None.' unless @deplist;
+
+ my $pod = "=over 4\n\n";
+ while (@deplist) {
+ my ($module, $version) = splice @deplist, 0, 2;
+ my $X = $module eq 'perl' ? 'C' : 'L';
+ $pod .= "=item $X<$module>";
+ $pod .= " $version" if $version;
+ $pod .= "\n\n";
+ if (my $desc = $prereq_desc{$module}) {
+ 1 while chomp $desc;
+ $pod .= "$desc\n\n";
+ }
+ }
+ $pod .= '=back';
+
+ return $pod;
+}
+
+sub deplist_to_perl {
+ my @deplist = @_;
+ return '{ }' unless @deplist;
+
+ my $len = List::Util::max(
+ map length, @deplist[grep not($_ % 2), 0 .. $#deplist ]
+ );
+
+ my $perl = "{\n";
+ while (@deplist) {
+ my ($module, $version) = splice @deplist, 0, 2;
+ my $pad = $len + 1 - length $module;
+ $perl .= sprintf " '%s'%*s=> '%s',\n", $module, $pad, ' ', $version;
+ }
+ $perl .= '}';
+
+ return $perl;
+}
+
+sub sorthr ($) {
+ my $hr = shift;
+ map { $_ => $hr->{$_} } sort keys %$hr;
+}
+
+my %vars = (
+ TARGET_PKG => $target_pkg,
+ TARGET_VERSION => $target_version,
+ TASK_PKG => $task_pkg,
+ TASK_VERSION => $new_task_version,
+ PERL_PREREQ => $prereqs{perl},
+ CONFIGURE_PREREQS_POD => deplist_to_pod(sorthr $prereqs{configure}),
+ BUILD_PREREQS_POD => deplist_to_pod(sorthr $prereqs{build}),
+ RUN_PREREQS_POD => deplist_to_pod(
+ $target_pkg => $target_version,
+ 'perl' => $prereqs{perl},
+ sorthr $prereqs{run}
+ ),
+ CONFIGURE_PREREQS_PERL => deplist_to_perl(sorthr $prereqs{configure}),
+ BUILD_PREREQS_PERL => deplist_to_perl(sorthr $prereqs{build}),
+ RUN_PREREQS_PERL => deplist_to_perl(
+ sorthr $prereqs{run},
+ $target_pkg => $target_version,
+ ),
+ BUG_EMAIL => $bug_email,
+ BUG_QUEUE => $bug_queue,
+ YEARS => $years,
+);
+
+my %templates = (
+ $task_file => <<'TEMPLATE',
+package __TASK_PKG__;
+
+use strict;
+use warnings;
+
+=head1 NAME
+
+__TASK_PKG__ - Install __TARGET_PKG__ and its recommended dependencies.
+
+=head1 VERSION
+
+Version __TASK_VERSION__
+
+=cut
+
+our $VERSION = '__TASK_VERSION__';
+
+=head1 SYNOPSIS
+
+ $ cpan __TASK_PKG__
+ $ cpanp -i __TASK_PKG__
+ $ cpanm __TASK_PKG__
+
+=head1 DESCRIPTION
+
+This task module lets you easily install L<__TARGET_PKG__> __TARGET_VERSION__ and all its recommended dependencies.
+
+=head1 DEPENDENCIES
+
+=head2 Configure-time dependencies
+
+__CONFIGURE_PREREQS_POD__
+
+=head2 Build-time and test-time dependencies
+
+__BUILD_PREREQS_POD__
+
+=head2 Run-time dependencies
+
+__RUN_PREREQS_POD__
+
+=head1 AUTHOR
+
+Vincent Pit, C<< <perl at profvince.com> >>, L<http://www.profvince.com>.
+
+You can contact me by mail or on C<irc.perl.org> (vincent).
+
+=head1 BUGS
+
+Please report any bugs or feature requests to C<__BUG_EMAIL__>, or through the web interface at L<__BUG_QUEUE__>.
+I will be notified, and then you'll automatically be notified of progress on your bug as I make changes.
+
+=head1 SUPPORT
+
+You can find documentation for this module with the perldoc command.
+
+ perldoc __TASK_PKG__
+
+=head1 COPYRIGHT & LICENSE
+
+Copyright __YEARS__ Vincent Pit, all rights reserved.
+
+This program is free software; you can redistribute it and/or modify it
+under the same terms as Perl itself.
+
+=cut
+
+1; # End of __TASK_PKG__
+TEMPLATE
+ # ----------------------------------------------------------------------------
+ 'Makefile.PL' => <<'TEMPLATE',
+use __PERL_PREREQ__;
+
+use strict;
+use warnings;
+use ExtUtils::MakeMaker;
+
+my $dist = 'Task-Devel-Cover-Recommended';
+
+(my $name = $dist) =~ s{-}{::}g;
+
+(my $file = $dist) =~ s{-}{/}g;
+$file = "lib/$file.pm";
+
+my $CONFIGURE_PREREQS = __CONFIGURE_PREREQS_PERL__;
+
+my $BUILD_PREREQS = __BUILD_PREREQS_PERL__;
+
+my $RUN_PREREQS = __RUN_PREREQS_PERL__;
+
+my %META = (
+ configure_requires => $CONFIGURE_PREREQS,
+ build_requires => $BUILD_PREREQS,
+ dynamic_config => 0,
+ resources => {
+ bugtracker => "http://rt.cpan.org/NoAuth/ReportBug.html?Queue=$dist",
+ homepage => "http://search.cpan.org/dist/$dist/",
+ license => 'http://dev.perl.org/licenses/',
+ repository => "http://git.profvince.com/?p=perl%2Fmodules%2F$dist.git",
+ },
+);
+
+WriteMakefile(
+ NAME => $name,
+ AUTHOR => 'Vincent Pit <perl@profvince.com>',
+ LICENSE => 'perl',
+ VERSION_FROM => $file,
+ ABSTRACT_FROM => $file,
+ PL_FILES => {},
+ PREREQ_PM => $RUN_PREREQS,
+ MIN_PERL_VERSION => '__PERL_PREREQ__',
+ META_MERGE => \%META,
+ dist => {
+ PREOP => "pod2text -u $file > \$(DISTVNAME)/README",
+ COMPRESS => 'gzip -9f', SUFFIX => 'gz'
+ },
+ clean => {
+ FILES => "$dist-* *.gcov *.gcda *.gcno cover_db Debian_CPANTS.txt*"
+ }
+);
+TEMPLATE
+);
+
+my $valid_keys = join '|', keys %vars;
+$valid_keys = qr/$valid_keys/;
+
+for my $file (sort keys %templates) {
+ my $template = $templates{$file};
+ $template =~ s/\b__($valid_keys)__\b/$vars{$1}/go;
+
+ open my $fh, '>', $file;
+ print $fh $template;
+ close $fh;
+}
projects / perl / modules / Task-Devel-Cover-Recommended.git / commitdiff