Dynamic completion for 'helm plugin remove/update'

Signed-off-by: Marc Khouzam <marc.khouzam@ville.montreal.qc.ca>

cmd/helm/root.go

@@ -73,6 +73,14 @@ __helm_list_repos()
         COMPREPLY=( $( compgen -W "${out[*]}" -- "$cur" ) )
     fi
 }
+__helm_list_plugins()
+{
+    __helm_debug "${FUNCNAME[0]}: c is $c words[c] is ${words[c]}"
+    local out
+    if out=$(helm plugin list | tail +2 | cut -f1 2>/dev/null); then
+        COMPREPLY=( $( compgen -W "${out[*]}" -- "$cur" ) )
+    fi
+}
 __helm_custom_func()
 {
 	__helm_debug "${FUNCNAME[0]}: last_command is $last_command"
@@ -85,6 +93,9 @@ __helm_custom_func()
         helm_repo_remove)
             __helm_list_repos
             ;;
+        helm_plugin_remove | helm_plugin_update)
+            __helm_list_plugins
+            ;;
         *)
             ;;
     esac