83 lines
1.6 KiB
Perl
Executable file
83 lines
1.6 KiB
Perl
Executable file
package Module;
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use 5.22.0;
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use Moose;
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use Dist;
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use Module::CoreList;
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use Storable;
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use IPC::Run qw/run/;
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no warnings 'experimental';
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has 'name' => (is => 'ro');
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has 'depends' => (
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builder => 'get_deps',
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is => 'ro',
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isa => 'ArrayRef[Module]',
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lazy => 1,
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);
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our %cache;
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if (-e 'modcache.stor') {
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eval {
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my $cache_href=retrieve('modcache.stor');
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%cache = $cache_href->%*;
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};
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if ($@) {
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print STDERR "Couldn't load cache $@\n";
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}
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}
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sub __save_cache {
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store \%cache, 'modcache.stor';
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};
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END {__save_cache};
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sub new_module {
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my $class = shift;
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my $module = shift;
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my ($name, $version) = split (/[\-~]/, $module);
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my $dist = $Dist::mod_to_dist{$name} // $name;
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return $cache{$dist} if exists $cache{$dist};
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$cache{$dist} = Module->new(name => $name);
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}
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sub _is_core {
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my $module = shift;
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my ($name, $version) = split (/[\-~]/, $module);
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my $ret = ($name eq 'perl' || Module::CoreList->first_release($name)) // 0;
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return $ret;
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}
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sub get_deps {
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my $self=shift;
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my $module = $self->name;
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# skip perl, or core modules
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return [] if _is_core($module);
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my @cmd = (qw|cpanm --quiet --mirror http://cpan.simcop2387.info/ --showdeps|, $module);
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my $out;
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run \@cmd, '>&', \$out;
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my $deps = [map {Module->new_module($_)} grep {!_is_core($_)} split($/, $out)];
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__save_cache;
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return $deps;
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}
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sub print_deps {
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my ($self, $level, $v) = @_;
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for my $dep ($self->depends->@*) {
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my $name = $dep->name;
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print ((" " x $level), $name, "\n");
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$dep->print_deps($level+1, [@$v, $name]) unless ($name ~~ @$v);
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}
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}
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1;
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