apply formatting and simplify code

src/_diana

@@ -105,14 +105,10 @@ _diana_command_arguments() {
       _describe -t output 'Downloads to preview' GIDs
       ;;
   esac
-
-
 }
 
-_diana() {
-    local -a commands
-
-    commands=(
+_diana_subcommands() {
+  local -a commands=(
     "list:Output the list of active downloads."
     "paused:Output the list of paused downloads."
     "stopped:Output the list of stopped downloads."
@@ -132,19 +128,17 @@ _diana() {
     "clean:Stop seeding completed downloads."
   )
 
-_arguments -C \
-  '1:cmd:->cmds' \
-  '*:: :->args' \
-
-case "$state" in
-  (cmds)
   _describe -t commands 'commands' commands
-  ;;
-  (*)
-    _diana_command_arguments
-  ;;
-esac
 }
 
-_diana
+_arguments \
+  '1:cmd:_diana_subcommands' \
+  '*:: :_diana_command_arguments'
 
+# Local Variables:
+# mode: Shell-Script
+# sh-indentation: 2
+# indent-tabs-mode: nil
+# sh-basic-offset: 2
+# End:
+# vim: ft=zsh sw=2 ts=2 et