Move config arg parsing into config/functions

plugins/config/functions

@@ -15,3 +15,33 @@ config_export() {
   echo "$VARS" | awk '{print "export " $0}'
   return 0
 }
+
+config_parse_args() {
+  case "$2" in
+    --global)
+      ENV_FILE="$DOKKU_ROOT/ENV"
+      DOKKU_CONFIG_TYPE="global"
+      DOKKU_CONFIG_RESTART=false
+      ;;
+    --no-restart)
+      APP="$3"
+      ENV_FILE="$DOKKU_ROOT/$APP/ENV"
+      DOKKU_CONFIG_RESTART=false
+      DOKKU_CONFIG_TYPE="app"
+      set -- "${@:1:1}" "${@:3}"
+  esac
+
+  APP=${APP:="$2"}
+  ENV_FILE=${ENV_FILE:="$DOKKU_ROOT/$APP/ENV"}
+  DOKKU_CONFIG_TYPE=${DOKKU_CONFIG_TYPE:="app"}
+  DOKKU_CONFIG_RESTART=${DOKKU_CONFIG_RESTART:=true}
+
+  if [[ "$DOKKU_CONFIG_TYPE" = "app" ]]; then
+    if [[ -z $APP ]]; then
+      echo "Please specify an app to run the command on" >&2 && exit 1
+    else
+      verify_app_name "$2"
+    fi
+  fi
+  export APP ENV_FILE DOKKU_CONFIG_TYPE DOKKU_CONFIG_RESTART
+}