zulip/scripts/lib/clean_yarn_cache.py

50 lines
1.4 KiB
Python

#!/usr/bin/env python3
import argparse
import os
import sys
ZULIP_PATH = os.path.dirname(os.path.dirname(os.path.dirname(os.path.abspath(__file__))))
sys.path.append(ZULIP_PATH)
from scripts.lib.zulip_tools import maybe_perform_purging, parse_cache_script_args
YARN_CACHE_PATH = os.path.expanduser("~/.cache/yarn/")
CURRENT_VERSION = "v6"
def remove_unused_versions_dir(args: argparse.Namespace) -> None:
"""Deletes cache data from obsolete Yarn versions.
Yarn does not provide an interface for removing obsolete data from
~/.cache/yarn for packages that you haven't installed in years; but one
can always remove the cache entirely.
"""
current_version_dir = os.path.join(YARN_CACHE_PATH, CURRENT_VERSION)
try:
dirs_to_purge = {
os.path.join(YARN_CACHE_PATH, directory)
for directory in os.listdir(YARN_CACHE_PATH)
if directory != CURRENT_VERSION
}
except FileNotFoundError:
return
no_headings = getattr(args, "no_headings", False)
maybe_perform_purging(
dirs_to_purge,
{current_version_dir},
"yarn cache",
args.dry_run,
args.verbose,
no_headings,
)
def main(args: argparse.Namespace) -> None:
remove_unused_versions_dir(args)
if __name__ == "__main__":
args = parse_cache_script_args("This script cleans redundant Zulip yarn caches.")
main(args)