not doing what i want

build.pl

@@ -0,0 +1,98 @@
+#!/usr/bin/env perl
+
+use strict;
+use warnings;
+use v5.30;
+
+use IO::Async;
+use IO::Async::Function;
+use IO::Async::Loop::Epoll;
+use Getopt::Long;
+use Future;
+use Capture::Tiny qw(tee_merged);
+use Path::Tiny;
+
+
+my @bases = qw/bullseye-backports bookworm-backports/;
+my @options = ("main", "main-threaded", "main-longdouble", "main-quadmath", "main-debugging", "main-longdouble-threaded", "main-quadmath-threaded", "main-debugging-threaded", "main-debugging-longdouble-threaded", "main-debugging-quadmath-threaded", "main-debugging-longdouble", "main-debugging-quadmath");
+my @versions = ("5.20.3", "5.22.4", "5.24.4", "5.26.3", "5.28.3", "5.30.3", "5.32.1", "5.34.0", "5.34.1", "5.36.0");
+my $max_workers = 8;
+my $verbose = 1;
+
+GetOptions('verbose' => \$verbose,
+           'quiet' => sub {$verbose = 0},
+           'workers=i' => \$max_workers,
+         );
+
+
+my $loop = IO::Async::Loop::Epoll->new();
+
+my $builder = IO::Async::Function->new(
+   code => sub {
+      my ( $version, $options, $os_base ) = @_;
+
+      my $expanded_version = $version =~ s/(?<major>5)\.(?<minor>\d+)\.(?<patch>\d+)/sprintf "%d.%03d.%03d", $+{major}, $+{minor}, $+{patch}/er;
+
+      my $tags = ["$version-$options-$os_base", "$expanded_version-$options-$os_base"];
+
+      my ($output, $return) = tee_merged sub {
+        my $workdir = path("output/perls")->child("$expanded_version-$options-$os_base");
+
+        if ($workdir->exists()) {
+
+          chdir($workdir);
+          #print "$workdir\n";
+          #system("ls");
+        } else {
+          print "Failed to find $workdir\n";
+        }
+      };
+
+      return $output;
+   },
+
+   max_workers => $max_workers,
+   min_workers => 1,
+   model => "fork",
+);
+
+$loop->add($builder);
+$builder->start();
+
+my %calls;
+
+for my $version (@versions) {
+  for my $option (@options) {
+    for my $base (@bases) {
+      my $rend = "$version-$option-$base";
+      my $future = $builder->call(args => [$version, $option, $base])->on_ready(sub {
+        delete $calls{$rend};
+      });
+      $calls{$rend} = $future;
+    }
+  }
+}
+
+my $full_future = Future->wait_all( values %calls );
+
+while (1) {
+  print "Is ready? ", $full_future->is_ready()?"yes":"no", "\n";
+
+  my @pending = $full_future->pending_futures;
+
+  print "Pending: ", 0+@pending, "\n";
+  print join(", ", keys %calls), "\n";
+
+  print "workers: ", $builder->workers, ", ", $builder->workers_idle, ", ", $builder->workers_busy, "\n";
+
+  $loop->delay_future(after => 1)->get();
+
+  if (@pending < 1) {
+    break;
+  }
+}
+
+my @result = $full_future->get();
+
+use Data::Dumper;
+print Dumper(\@result);