treedeps/lib/Module.pm

127 lines
2.3 KiB
Perl
Executable file

package Module;
use 5.22.0;
use Moose;
use Dist;
use Module::CoreList;
use Storable;
use IPC::Run qw/run/;
no warnings 'experimental';
has 'name' => (is => 'ro');
has 'depends' => (
builder => 'get_deps',
is => 'ro',
isa => 'ArrayRef[Module]',
lazy => 1,
);
our %cache;
if (-e 'modcache.stor') {
eval {
my $cache_href=retrieve('modcache.stor');
%cache = $cache_href->%*;
};
if ($@) {
print STDERR "Couldn't load cache $@\n";
}
}
END {
store \%cache, 'modcache.stor';
};
sub new_module {
my $class = shift;
my $module = shift;
my ($name, $version) = split (/[\-~]/, $module);
my $dist = $Dist::mod_to_dist{$name} // $name;
return $cache{$dist} if exists $cache{$dist};
$cache{$dist} = Module->new(name => $name);
}
sub _is_core {
my $module = shift;
my ($name, $version) = split (/[\-~]/, $module);
my $ret = ($name eq 'perl' || Module::CoreList->first_release($name)) // 0;
return $ret;
}
sub get_dist {
my $self=shift;
my $module = $self->name;
# skip perl, or core modules
return 'perl' if _is_core($module);
my @cmd = (qw|cpanm --quiet --mirror http://cpan.simcop2387.info/ --info|, $module);
my $out;
run \@cmd, '>&', \$out;
chomp $out;
return $out;
}
sub get_deps {
my $self=shift;
my $module = $self->name;
# skip perl, or core modules
return [] if _is_core($module);
my @cmd = (qw|cpanm --quiet --mirror http://cpan.simcop2387.info/ --showdeps|, $module);
my $out;
run \@cmd, '>&', \$out;
return [map {Module->new_module($_)} grep {!_is_core($_)} split($/, $out)];
}
sub print_deps {
my ($self, $level, $v) = @_;
for my $dep ($self->depends->@*) {
my $name = $dep->name;
print ((" " x $level), $name, "\n");
$dep->print_deps($level+1, [@$v, $name]) unless ($name ~~ @$v);
}
}
package cpanfile;
# HACK since cpan files are valid perl, i'm just using do/require
our @mods;
sub __parse_file {
my $file = shift;
require $file;
}
sub requires {
push @mods, $_[0];
}
sub recommends {
push @mods, $_[0];
}
sub conflicts {} # IGNORE These
# we expect all types
sub on {
my ($env, $code) = @_;
$code->();
}
sub feature {
my ($feat, $desc, $code) = @_;
$code->();
}
1;