more style/function tweaks

plugins/git/receive-app

@@ -2,12 +2,18 @@
 set -eo pipefail; [[ $DOKKU_TRACE ]] && set -x
 source "$PLUGIN_CORE_AVAILABLE_PATH/common/functions"
 
-APP="$1"; REV="$2"
+git_receive_app(){
+  local desc="git receive-app plugin trigger"
+  local trigger="git_receive_app"
+  local APP="$1"; local REV="$2"
 
-# Don't trigger git build if there is no git repository.
-if [[ ! -d "$DOKKU_ROOT/$APP/refs" ]]; then
-  true
-else
-  # shellcheck disable=SC2086
-  dokku git-build $APP $REV
-fi
+  # Don't trigger git build if there is no git repository.
+  if [[ ! -d "$DOKKU_ROOT/$APP/refs" ]]; then
+    true
+  else
+    # shellcheck disable=SC2086
+    dokku git-build $APP $REV
+  fi
+}
+
+git_receive_app "$@"