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package Debian::PkgJs::PackageLock;
use strict;
use Debian::Control;
use Debian::PkgJs::Utils;
use Debian::PkgJs::Version;
use Dpkg::IPC;
use Exporter 'import';
use JSON;
our @EXPORT = ( '&buildPackageLock', '&builtUsing' );
our $BUILTUSING = {};
our $PACKAGES = {};
our $PATHS = {};
my $WEBPACKS =
qr/^.*\b(?:node-(?:rollup-plugin-node-resolve|esbuild)|browserify(?:-lite)?|esbuild|webpack)\b.*/i;
*debug = \&Debian::PkgJs::Utils::debug;
sub nodepathNoError {
my ( $related, $jobs, @mods ) = @_;
$jobs ||= 1;
my (%res);
while (@mods) {
my @PIDS;
my @list = splice @mods, 0, $jobs;
foreach my $mod (@list) {
if ( $PATHS->{$mod} and ( $related or $PACKAGES->{$mod} ) ) {
$res{$mod} = [ $PACKAGES->{$mod}, $PATHS->{$mod} ];
}
else {
my ( $read, $null );
$read = IO::Handle->new;
open $null, '>', '/dev/null';
push @PIDS,
[
$mod,
spawn(
exec =>
[ 'nodepath', ( $related ? '-pr' : '-p' ), $mod ],
to_pipe => $read,
error_to_handle => $null,
wait_child => 0,
),
$read, $null,
];
}
}
foreach (@PIDS) {
my ( $mod, $pid, $out, $null ) = @$_;
eval {
my $p = wait_child( $pid, cmdline => 'z' );
my ( $pkg, $path ) = split /: /, <$out>;
chomp $path;
# Fix reproducibility
unless (
$path =~ s#.*(/usr/(?:share|lib(?:/[^/]+)?)/nodejs/)#$1# )
{
$path =~ s#^/.*$#node_modules/$mod#;
}
$PACKAGES->{$mod} = $pkg if $pkg;
if ($path) {
$PATHS->{$mod} = $path;
$res{$mod} = [ $pkg, $path ];
}
};
close $out;
close $null;
}
}
return \%res;
}
sub buildPackageLock {
my ( $src, $dst, $check, $jobs ) = @_;
die 'Destination needed' unless $dst;
if ($check) {
return unless search_bd_in_debian_control($WEBPACKS);
debug("Package looks like a bundle, generating pkgjs-lock.json file");
}
my $pjson = pjson($src);
my $deps = {
%{ $pjson->{devDependencies} // {} },
%{ $pjson->{dependencies} // {} },
%{ $pjson->{peerDependencies} // {} },
};
my $res = {
name => $pjson->{name},
version => $pjson->{version},
lockfileVersion => 2,
packages => {
"" => {
name => $pjson->{name},
version => $pjson->{version},
},
},
dependencies => {},
pkgjs_version => $VERSION,
};
my $count = 0;
if ( $deps and %$deps ) {
my $nodePaths = nodepathNoError(
1,
( $jobs // 1 ),
map { -d "node_modules/$_" ? () : $_ } keys %$deps
);
foreach my $dep ( keys %$deps ) {
my ( $out, $err );
if ( -d "node_modules/$dep" ) {
$out = "node_modules/$dep";
}
else {
$out = $nodePaths->{$dep}->[1];
}
if ( $out and my $pjs = pjson($out) ) {
$count++;
$res->{packages}->{$out} = {
name => $dep,
version => $pjs->{version} || 'unknown',
};
$res->{dependencies}->{$dep} =
{ version => $pjs->{version} || '*', };
$BUILTUSING->{$dep} = $pjs->{version} || '';
}
}
}
unless ($count) {
debug("No build dependencies found, skip pkgjs-lock.json");
return;
}
open my $fdst, '>', $dst or die "Unable to write package-lock.json: $!";
my $str = JSON->new->canonical->indent->encode($res);
$str =~ s/ / /g;
chomp $str;
print $fdst $str;
close $fdst;
return 1;
}
sub builtUsing {
my ( %res, %seen );
my $nodePaths = nodepathNoError( 0, ( $_[0] // 1 ), keys %$BUILTUSING );
map {
my ( $pkg, $version_source, $err );
if ( $pkg = $nodePaths->{$_}->[0] ) {
eval {
unless ( $seen{$pkg} ) {
spawn(
exec => [
'dpkg-query', '--showformat=${Version},${Source}',
'--show', $pkg,
],
wait_child => 1,
to_string => \$version_source,
error_to_string => \$err,
);
chomp $version_source;
my @vs = split /,/, $version_source;
# Source is empty if the binary package has the same name
$vs[1] ||= $pkg;
$res{ $vs[1] } = $vs[0];
$seen{$pkg} = 1;
debug("Add $vs[1] (= $vs[0]) in \${nodejs:BuiltUsing}");
}
};
}
} keys %$BUILTUSING;
return join( ',', map { "$_ (= $res{$_})" } sort keys %res );
}
1;
__END__
=head1 NAME
Debian::PkgJS::PackageLock - Perl module to build pkgjs-lock.json files
=head1 SYNOPSIS
use Debian::PkgJS::PackageLock;
for my $path (@jsModulePaths) {
buildPackageLock( $path, "$path/pkgjs-locj.json");
}
use Debian::Debhelper::Dh_Lib;
addsubstvar( $pkg, builtUsing() );
=head1 DESCRIPTION
=head2 EXPORT
=over
=item B<buildPackageLock( $path, $dest )>
=item B<builtUsing()>
=back
=head1 COPYRIGHT AND LICENSE
Copyright Yadd E<lt>yadd@debian.orgE<gt>
This library is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2, or (at your option)
any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
On Debian systems, the complete text of version 2 of the GNU General
Public License can be found in `/usr/share/common-licenses/GPL-2'.
If not, see L<http://www.gnu.org/licenses/>.
=cut
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