diff --git a/scripts/runner.py b/scripts/runner.py index d440127..55e202d 100755 --- a/scripts/runner.py +++ b/scripts/runner.py @@ -88,6 +88,7 @@ RESULT_FILE = "runner_result.log" BIG_WAIT_INTERVAL = 100 SMALL_WAIT_INTERVAL = 10 +CACHED_VERSION_FILE_NAME = ".cached_version" class Runner(Component): @@ -150,12 +151,33 @@ def __normalize_dir(dirname: str, fail_with_text="") -> str: sys.exit(f"Name '{fail_with_text}' was not specified") return "" + def __is_use_cache(self) -> bool: + if not (self.build_base_cached and os.path.exists(self.build_base_cached)): + return False + if os.path.exists(CACHED_VERSION_FILE_NAME): + # There is a cached file - then we need to check version. + with open(CACHED_VERSION_FILE_NAME, errors='ignore', encoding='ascii') as f_version: + last_version = f_version.read() + if last_version == self.version: + self.logger.info(f"Reusing build base from {self.build_base_cached}, version: {last_version}") + return True + self.logger.info(f"Cached build base is outdated. " + f"Previous version is {last_version}, current version is {self.version}") + return False + # No cached file - do not reuse. + self.logger.info(f"Cannot find last cached version") + return False + + def __cache_build_base(self): + if self.build_base_cached: + with open(CACHED_VERSION_FILE_NAME, "w", encoding='ascii') as f_version: + f_version.write(self.version) + def builder(self) -> str: """ - Create a build base for specific + Create a build base for specific kernel """ - if self.build_base_cached: - self.logger.info(f"Reusing build base from {self.build_base_cached}") + if self.__is_use_cache(): return self.build_base_cached self.logger.info("Preparing build base") builder_script = os.path.join(self.klever_home_dir, BUILDER_SCRIPT) @@ -168,6 +190,7 @@ def builder(self) -> str: build_base_dir = os.path.join(self.builder_work_dir, f"build-base-{kernel_dir_rel}-{self.arch}-{self.make_cmd}") self.logger.info(f"Build base has been prepared in {build_base_dir}") + self.__cache_build_base() return build_base_dir def __update_job_config(self, build_base_dir: str):