[config] lint fixes

plugins/config/functions

@@ -2,39 +2,44 @@
 set -eo pipefail; [[ $DOKKU_TRACE ]] && set -x
 source "$PLUGIN_CORE_AVAILABLE_PATH/common/functions"
 
+config_sub(){
+  declare desc="executes a config subcommand"
+  local name="$1"
+  shift
+  "$PLUGIN_AVAILABLE_PATH/config/subcommands/$name" "config:$name" "$@"
+}
+
 config_export() {
   declare desc="returns export command for config variable of specified type (app/global)"
   local CONFIG_TYPE="$1"
-  local APP="$2"
+  shift
+  local APP="$1"
   if [[ $CONFIG_TYPE == "global" ]]; then
     APP="--global"
+  else
+    shift
   fi
-  $PLUGIN_AVAILABLE_PATH/config/subcommands/export config:export "$APP"
+  config_sub export "$@" "$APP"
   return 0
 }
 
 config_keys() {
   declare desc="returns keys for app or global"
-  local CONFIG_TYPE="$1"
-  local APP="$2"
-  if [[ $CONFIG_TYPE == "global" ]]; then
-    APP="--global"
-  fi
-  $PLUGIN_AVAILABLE_PATH/config/subcommands/export config:export --keys "$APP"
+  config_export "$@" "--keys"
   return 0
 }
 
 config_get() {
   declare desc="get value of given config var"
-  $PLUGIN_AVAILABLE_PATH/config/subcommands/get config:get "$@"
+  config_sub get "$@"
 }
 
 config_set() {
   declare desc="set value of given config var"
-  $PLUGIN_AVAILABLE_PATH/config/subcommands/set config:set "$@"
+  config_sub set "$@"
 }
 
 config_unset() {
   declare desc="set value of given config var"
-  $PLUGIN_AVAILABLE_PATH/config/subcommands/unset config:unset "$@"
+  config_sub unset "$@"
 }