cmd/services: add named arguments.

This improves the generated completions.

Co-authored-by: Eric Knibbe <enk3@outlook.com>

Library/Homebrew/cmd/services.rb

@@ -60,7 +60,7 @@ module Homebrew
         switch "--no-wait", description: "Don't wait for `stop` to finish stopping the service."
         switch "--keep", description: "When stopped, don't unregister the service from launching at login (or boot)."
         conflicts "--max-wait=", "--no-wait"
-        named_args
+        named_args %w[list info run start stop kill restart cleanup]
       end
 
       sig { override.void }

completions/bash/brew

@@ -2346,6 +2346,7 @@ _brew_services() {
       ;;
     *) ;;
   esac
+  __brewcomp "list info run start stop kill restart cleanup"
 }
 
 _brew_setup_ruby() {

completions/fish/brew.fish

@@ -1538,6 +1538,14 @@ __fish_brew_complete_arg 'search' -l verbose -d 'Make some output more verbose'
 
 
 __fish_brew_complete_cmd 'services' 'Manage background services with macOS\' `launchctl`(1) daemon manager or Linux\'s `systemctl`(1) service manager'
+__fish_brew_complete_sub_cmd 'services' 'list'
+__fish_brew_complete_sub_cmd 'services' 'info'
+__fish_brew_complete_sub_cmd 'services' 'run'
+__fish_brew_complete_sub_cmd 'services' 'start'
+__fish_brew_complete_sub_cmd 'services' 'stop'
+__fish_brew_complete_sub_cmd 'services' 'kill'
+__fish_brew_complete_sub_cmd 'services' 'restart'
+__fish_brew_complete_sub_cmd 'services' 'cleanup'
 __fish_brew_complete_arg 'services' -l all -d 'Run subcommand on all services'
 __fish_brew_complete_arg 'services' -l debug -d 'Display any debugging information'
 __fish_brew_complete_arg 'services' -l file -d 'Use the service file from this location to `start` the service'

completions/zsh/_brew

@@ -1902,7 +1902,9 @@ _brew_services() {
     '(--max-wait)--no-wait[Don'\''t wait for `stop` to finish stopping the service]' \
     '--quiet[Make some output more quiet]' \
     '--sudo-service-user[When run as root on macOS, run the service(s) as this user]' \
-    '--verbose[Make some output more verbose]'
+    '--verbose[Make some output more verbose]' \
+    - subcommand \
+    '*::subcommand:(list info run start stop kill restart cleanup)'
 }
 
 # brew setup-ruby