refactor: use a single method for running the ps:*all commands

This reduces the duplication at the cost of slightly more complexity.

plugins/ps/subcommands/restore

@@ -4,6 +4,7 @@ set -eo pipefail
 source "$PLUGIN_CORE_AVAILABLE_PATH/common/functions"
 source "$PLUGIN_AVAILABLE_PATH/config/functions"
 source "$PLUGIN_AVAILABLE_PATH/ps/functions"
+source "$PLUGIN_AVAILABLE_PATH/ps/internal-functions"
 
 ps_restore_cmd() {
   declare desc="starts all apps with DOKKU_APP_RESTORE not set to 0 via command line"
@@ -12,7 +13,7 @@ ps_restore_cmd() {
   local DOKKU_SCHEDULER
 
   DOKKU_SCHEDULER=$(get_app_scheduler "$APP")
-  plugn trigger pre-restore "$DOKKU_SCHEDULER"
+  plugn trigger pre-restore "$DOKKU_SCHEDULER" "$APP"
 
   if [[ -n "$APP" ]]; then
     if ! (is_deployed "$APP"); then
@@ -22,43 +23,11 @@ ps_restore_cmd() {
 
     DOKKU_APP_RESTORE="$(config_get "$APP" DOKKU_APP_RESTORE || true)"
     if [[ $DOKKU_APP_RESTORE != 0 ]]; then
-      ps_start "$APP" || dokku_log_warn "dokku ps:restore ${APP} failed"
+      ps_restore "$APP" || dokku_log_warn "dokku ps:restore ${APP} failed"
     fi
   else
-    ps_restore_all
+    fn-ps-parallel-cmd "restore"
   fi
 }
 
-ps_restore_all() {
-  local GNU_PARALLEL
-
-  if which parallel >/dev/null 2>&1; then
-    dokku_log_info1 "Restarting in parallel"
-    GNU_PARALLEL=$(parallel -V 2>&1 | grep GNU || true)
-    if [[ -z "$GNU_PARALLEL" ]]; then
-      # shellcheck disable=SC2046
-      parallel -i bash -c "dokku ps:restore {}" -- $(dokku_apps)
-    else
-      dokku_apps | parallel 'dokku ps:restore {}'
-    fi
-    return
-  fi
-
-  for app in $(dokku_apps); do
-    if ! (is_deployed "$app"); then
-      dokku_log_warn "App $app has not been deployed"
-      continue
-    fi
-
-    local DOKKU_APP_RESTORE=$(config_get "$app" DOKKU_APP_RESTORE || true)
-    if [[ $DOKKU_APP_RESTORE != 0 ]]; then
-      dokku_log_verbose "Restoring app $app ..."
-      if ps_start "$app"; then
-        continue
-      fi
-      dokku_log_warn "dokku ps:restore ${app} failed"
-    fi
-  done
-}
-
 ps_restore_cmd "$@"