Added events filter scope zsh completion

Signed-off-by: Paweł Szczekutowicz <pszczekutowicz@gmail.com>
Upstream-commit: 13db1bc95f
Component: cli

components/cli/contrib/completion/zsh/_docker

@@ -431,7 +431,7 @@ __docker_complete_events_filter() {
     integer ret=1
     declare -a opts
 
-    opts=('container' 'daemon' 'event' 'image' 'label' 'network' 'type' 'volume')
+    opts=('container' 'daemon' 'event' 'image' 'label' 'network' 'scope' 'type' 'volume')
 
     if compset -P '*='; then
         case "${${words[-1]%=*}#*=}" in
@@ -461,6 +461,11 @@ __docker_complete_events_filter() {
             (network)
                 __docker_complete_networks && ret=0
                 ;;
+            (scope)
+                local -a scope_opts
+                scope_opts=('local' 'swarm')
+                _describe -t scope-filter-opts "scope filter options" scope_opts && ret=0
+                ;;
             (type)
                 local -a type_opts
                 type_opts=('container' 'daemon' 'image' 'network' 'volume')