X-Git-Url: http://git.shadowcat.co.uk/gitweb/gitweb.cgi?p=catagits%2FCatalyst-Runtime.git;a=blobdiff_plain;f=Makefile.PL;h=4ea6d0d8cbf8870c7f82b973503f33c193efaf36;hp=9cf0e8e64d755bcb81c16f3ae0ba685f17727110;hb=64d969197ee915ca489db95a9ceac4b91a9078ea;hpb=54bee50ff7b3e30e2c370eb6249e021229cb9c6b

diff --git a/Makefile.PL b/Makefile.PL
index 9cf0e8e..4ea6d0d 100644
--- 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;
+}