Add auto-completion for puppet instrumentation_listener:

Provides auto-complete options for puppet instrumentation_listener sub-command.

custom/plugins/puppet/_puppet

@@ -284,6 +284,21 @@ _instrumentation_data_arguments=(
   '--terminus: TERMINUS The indirector terminus to use'
 )
 
+local -a _instrumentation_listener_arguments
+_instrumentation_listener_arguments=(
+  'disable:Disable a given instrumentation listener'
+  'enable:Enable a given instrumentation listener'
+  'find:Retrieve a single listener'
+  'info:Print the default terminus class for this face'
+  'save:API only: modify an instrumentation listener status'
+  'search:Retrieve all instrumentation listeners statuses'
+  '--render-as:FORMAT The rendering format to use'
+  '--verbose:Whether to log verbosely'
+  '--debug:Whether to log debug information'
+  '--extra:HASH Extra arguments to pass to the indirection request'
+  '--terminus: TERMINUS The indirector terminus to use'
+)
+
 
 __task_list ()
 {
@@ -567,6 +582,23 @@ __puppet-instrumentation_data ()
   esac
 }
 
+__puppet-instrumentation_listener ()
+{
+  local curcontext="$curcontext" state line
+  typeset -A opt_args
+
+  _arguments -C \
+    ':command:->command' \
+    '*::options:->options'
+
+  case $state in
+    (command)
+      _describe -t commands "gem subcommand" _instrumentation_listener_arguments
+      return
+    ;;
+  esac
+}
+
 
 
 local expl
@@ -671,6 +703,11 @@ case $state in
       (instrumentation_data)
           __puppet-instrumentation_data
       ;;
+
+      # Display sub-commands for puppet instrumentation_listener.
+      (instrumentation_listener)
+          __puppet-instrumentation_listener
+      ;;
     esac
   ;;
 esac