MT#58458 tolerate non existent directory

If we're writing to a new output directory, we may end up with some
directories not existing if not all of them contained files to be
generated. Don't bail out with an error in that case.

Change-Id: Id9fd1860da3ec60d799da50b3e0e82ecb8d98359

scripts/services

@@ -269,6 +269,12 @@ find_all_changed_services() {
   local dir="$1"
 
   log_debug "${FUNCNAME[0]}(): Working in ${OUTPUT_DIRECTORY}${dir}"
+
+  if ! [ -d "${OUTPUT_DIRECTORY}${dir}" ]; then
+    log_debug "${OUTPUT_DIRECTORY}${dir} doesn't exist, skip"
+    return
+  fi
+
   pushd "${OUTPUT_DIRECTORY}${dir}" >/dev/null
 
   local changed_files=()