1 files changed, 52 insertions, 0 deletions
diff --git a/inc/CheckAuthorDeps.pm b/inc/CheckAuthorDeps.pm
new file mode 100644
index 0000000..69f2dde
--- /dev/null
+++ b/inc/CheckAuthorDeps.pm
@@ -0,0 +1,52 @@
+use strict;
+use warnings;
+package inc::CheckAuthorDeps;
+
+# our goal is to verify that the declared authordeps already reflect
+# everything in configure + runtime prerequisites -- otherwise, we won't be
+# able to bootstrap our built Moose for the purposes of running
+# author/docGenerator.pl
+
+use Moose;
+with 'Dist::Zilla::Role::AfterBuild';
+
+sub after_build
+{
+    my $self = shift;
+
+    # get our authordeps
+    require Dist::Zilla::Util::AuthorDeps;
+    Dist::Zilla::Util::AuthorDeps->VERSION(5.021);
+
+    require CPAN::Meta::Requirements;
+    my $authordeps = CPAN::Meta::Requirements->new;
+    $authordeps->add_string_requirement(%$_)
+        foreach @{ Dist::Zilla::Util::AuthorDeps::extract_author_deps('.') };
+
+    # get our prereqs
+    my $prereqs = $self->zilla->prereqs;
+
+    # merge prereqs into authordeps
+    my $merged_prereqs = CPAN::Meta::Requirements->new;
+    $merged_prereqs->add_requirements($authordeps);
+    $merged_prereqs->add_requirements($prereqs->requirements_for('configure', 'requires'));
+    $merged_prereqs->add_requirements($prereqs->requirements_for('runtime', 'requires'));
+
+    # remove some false positives we know we already have fulfilled
+    $merged_prereqs->clear_requirement('ExtUtils::MakeMaker');
+    $merged_prereqs->clear_requirement('Dist::CheckConflicts');
+
+    # the merged set should not be different than the original authordeps.
+    require Test::Deep;
+    my ($ok, $stack) = Test::Deep::cmp_details(
+        $authordeps->as_string_hash,
+        Test::Deep::superhashof($merged_prereqs->as_string_hash),
+    );
+
+    return if $ok;
+
+    $self->log_fatal('authordeps does not have all prereqs found in configure, runtime prereqs: '
+        . Test::Deep::deep_diag($stack));
+}
+
+1;