From: Jonathan Rockway <jon@jrock.us>
Date: Mon, 13 Apr 2009 07:18:16 +0000 (-0500)
Subject: add experimental PAR plugin!
X-Git-Url: http://git.shadowcat.co.uk/gitweb/gitweb.cgi?p=gitmo%2FMooseX-Runnable.git;a=commitdiff_plain;h=b005539a949fed11cd58ccc868416370fc5da94c

add experimental PAR plugin!
---

diff --git a/lib/MooseX/Runnable/Invocation/Plugin/PAR.pm b/lib/MooseX/Runnable/Invocation/Plugin/PAR.pm
new file mode 100644
index 0000000..e6139b1
--- /dev/null
+++ b/lib/MooseX/Runnable/Invocation/Plugin/PAR.pm
@@ -0,0 +1,69 @@
+package MooseX::Runnable::Invocation::Plugin::PAR;
+use Moose::Role;
+
+use Module::ScanDeps ();
+use App::Packer::PAR ();
+use MooseX::Runnable::Run;
+
+use File::Temp qw(tempfile);
+
+my $mk_scanner = sub {
+    my $class = Moose::Meta::Class->create_anon_class( superclasses => ['Moose::Object'] );
+
+    for my $m (qw/set_file set_options calculate_info
+                  go scan_deps add_deps _find_in_inc/){
+        $class->add_method( $m => sub { warn "$m @_" } );
+    }
+    $class->add_method( get_files => sub { warn 'get_files'; [ keys %INC ] } );
+    my $name = $class->name;
+    $name =~ s{::}{/}g;
+    $INC{ "$name.pm" } = 1;
+    return $class;
+};
+
+around run => sub {
+    my ($next, $self, @args) = @_;
+    print "Creating a PAR instead of runing the app.\n";
+
+    { # pre-load as much as possible
+        my $class = $self->load_class;
+        $self->apply_scheme($class);
+        eval {
+            # this is probably not possible, but we might as well try
+            $self->validate_class($class);
+        };
+    }
+
+    my $inc = join " ",
+      map { "require '$_';\n" }
+        keys %INC;
+    my $plugins = join ', ', map { "'$_'" } grep { $_ ne 'PAR' } @{$self->plugins};
+    my $app = $self->class;
+    my $script = <<"END";
+use MooseX::Runnable::Run;
+use MooseX::Runnable::Invocation;
+require Params::Validate; # XXX!
+$inc
+exit MooseX::Runnable::Invocation->new(
+    class   => '$app',
+    plugins => [$plugins],
+)->run(@ARGV);
+END
+
+    $app =~ s/::/_/g;
+    $app = lc $app;
+
+    my $opt = { e => $script, o => $app, vvv => 1 };
+
+    App::Packer::PAR->new(
+        frontend  => 'Module::ScanDeps',
+        backend   => 'PAR::Packer',
+        frontopts => $opt,
+        backopts  => $opt,
+        args      => [],
+    )->go;
+
+    return 0;
+};
+
+1;