Nick the related modules version warning from Moose

[catagits/Catalyst-Runtime.git] / Makefile.PL

diff --git a/Makefile.PL b/Makefile.PL
index 9cf0e8e..4ea6d0d 100644 (file)
--- a/Makefile.PL
+++ b/Makefile.PL
@@ -119,3 +119,44 @@ print <<"EOF";
 
  Have fun!
 EOF
+
+check_conflicts();
+
+# Nicked straight from Moose!
+sub check_conflicts {
+    my %conflicts = (
+        'Catalyst::Plugin::Authentication' => '0.100092',
+    );
+
+    my $found = 0;
+    for my $mod ( sort keys %conflicts ) {
+        eval "require $mod";
+        next if $@;
+
+        my $installed = $mod->VERSION();
+        if ( $installed le $conflicts{$mod} ) {
+
+            print <<"EOF";
+
+***
+    This version of Catalyst conflicts with the version of
+    $mod ($installed) you have installed.
+
+    You will need to upgrade $mod after installing
+    this version of Catalyst.
+***
+
+EOF
+
+            $found = 1;
+        }
+    }
+
+    return unless $found;
+
+    # More or less copied from Module::Build
+    return if  $ENV{PERL_MM_USE_DEFAULT};
+    return unless -t STDIN && (-t STDOUT || !(-f STDOUT || -c STDOUT));
+
+    sleep 4;
+}