refactor: standardize help generation

plugins/nginx-vhosts/internal-functions

@@ -204,36 +204,6 @@ nginx_vhosts_conf_clean_func() {
   rm -f "$NGINX_CONF"
 }
 
-nginx_vhosts_help_content_func() {
-  declare desc="return nginx plugin help content"
-  cat <<help_content
-    nginx:access-logs <app> [-t], Show the nginx access logs for an application (-t follows)
-    nginx:build-config <app>, (Re)builds nginx config for given app
-    nginx:error-logs <app> [-t], Show the nginx error logs for an application (-t follows)
-    nginx:report [<app>] [<flag>], Displays an nginx report for one or more apps
-    nginx:set <app> <property> (<value>), Set or clear an nginx property for an app
-    nginx:show-conf <app>, Display app nginx config
-    nginx:validate [<app>] [--clean], Validates and optionally cleans up invalid nginx configurations
-help_content
-}
-
-cmd-nginx-vhosts-help() {
-  if [[ $1 == "nginx:help" ]]; then
-    echo -e 'Usage: dokku nginx[:COMMAND]'
-    echo ''
-    echo 'Interact with Dokku'"'"'s Nginx proxy.'
-    echo ''
-    echo 'Additional commands:'
-    nginx_vhosts_help_content_func | sort | column -c2 -t -s,
-  elif [[ $(ps -o command= $PPID) == *"--all"* ]]; then
-    nginx_vhosts_help_content_func
-  else
-    cat <<help_desc
-    nginx, Interact with Dokku's Nginx proxy
-help_desc
-  fi
-}
-
 nginx_clear_config() {
   declare desc="Remove the nginx conf file"
   declare APP="$1"