(FACT-2792) Show not supported message for facter -p. (#2119)

lib/facter/framework/cli/cli.rb

@@ -75,11 +75,6 @@ class Cli < Thor
                  type: :boolean,
                  desc: 'Enable verbose (info) output.'
 
-    class_option :puppet,
-                 type: :boolean,
-                 aliases: '-p',
-                 desc: 'Load the Puppet libraries, thus allowing Facter to load Puppet-specific facts.'
-
     class_option :show_legacy,
                  type: :boolean,
                  desc: 'Show legacy facts when querying all facts.'
@@ -157,6 +152,12 @@ def list_cache_groups(*args)
       puts cache_groups
     end
 
+    desc '--puppet, -p', '(NOT SUPPORTED)Load the Puppet libraries, thus allowing Facter to load Puppet-specific facts.'
+    map ['--puppet', '-p'] => :puppet
+    def puppet(*_args)
+      puts '`facter --puppet` and `facter -p` are no longer supported, use `puppet facts show` instead'
+    end
+
     desc 'help', 'Help for all arguments'
     def help(*args)
       help_string = +''