Merge pull request #1384 from uberhacker/fix-crew-help-switch

Fix crew -h|--help bug

crew

@@ -52,16 +52,18 @@ require_relative 'lib/docopt'
 begin
   args = Docopt::docopt(DOC)
 rescue Docopt::Exit => e
+  if ARGV[0] and ARGV[0] != '-h' and ARGV[0] != '--help' then
     puts "Could not understand \"crew #{ARGV.join(' ')}\".".lightred
     cmds = ["build", "download", "files", "help", "install", "remove", "search", "update", "upgrade", "whatprovides"]
     # Looking for similar commands
-  if ARGV.size >= 1 and not cmds.include?(ARGV[0]) then
+    if not cmds.include?(ARGV[0]) then
       similar = cmds.select {|word| edit_distance(ARGV[0], word) < 4}
       if not similar.empty? then
         puts "Did you mean?"
         similar.each {|sug| puts "  #{sug}"}
       end
     end
+  end
   puts e.message
   exit 1
 end
@@ -69,7 +71,6 @@ end
 @opt_keep = args["--keep"]
 @opt_verbose = args["--verbose"]
 @opt_src = args["--build-from-source"]
-@opt_help = args["--help"]
 
 @device = JSON.parse(File.read(CREW_CONFIG_PATH + 'device.json'), symbolize_names: true)
 #symbolize also values