nix-generate-from-cpan: use Module::CoreList to detect core modules

The previous way of detecting core modules failed to filter "if" and
possibly other core modules.
This commit is contained in:
ydlr 2020-03-14 00:25:33 -05:00
parent 5e2beafd02
commit 9035381b11

View File

@ -6,6 +6,7 @@ use warnings;
use CPAN::Meta();
use CPANPLUS::Backend();
use Module::CoreList;
use Getopt::Long::Descriptive qw( describe_options );
use JSON::PP qw( encode_json );
use Log::Log4perl qw(:easy);
@ -278,14 +279,8 @@ sub get_deps {
foreach my $n ( $deps->required_modules ) {
next if $n eq "perl";
# Figure out whether the module is a core module by attempting
# to `use` the module in a pure Perl interpreter and checking
# whether it succeeded. Note, $^X is a magic variable holding
# the path to the running Perl interpreter.
if ( system("env -i $^X -M$n -e1 >/dev/null 2>&1") == 0 ) {
DEBUG("skipping Perl-builtin module $n");
next;
}
my @core = Module::CoreList->find_modules(qr/^$n$/);
next if (@core);
my $pkg = module_to_pkg( $cb, $n );