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packages: try_download_package(): check pacman cache if file in db but doesn't exist in db folder

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InsanePrawn 2023-10-29 16:32:36 +01:00
parent 4c5fe2cb1c
commit a0c4036390
1 changed files with 15 additions and 1 deletions
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16
packages/build.py
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@ -290,7 +290,8 @@ def try_download_package(dest_file_path: str, package: Pkgbuild, arch: Arch) ->
return None
repo_pkg: RemotePackage = repo.packages[pkgname]
if repo_pkg.version != package.version:
logging.debug(f"Package {pkgname} versions differ: local: {package.version}, remote: {repo_pkg.version}. Building instead.")
logging.debug(f"Package {pkgname} versions differ: local: {package.version}, "
f"remote: {repo_pkg.version}. Building instead.")
return None
if repo_pkg.filename != filename:
versions_str = f"local: {filename}, remote: {repo_pkg.filename}"
@ -298,6 +299,19 @@ def try_download_package(dest_file_path: str, package: Pkgbuild, arch: Arch) ->
logging.debug(f"package filenames don't match: {versions_str}")
return None
logging.debug(f"ignoring compression extension difference: {versions_str}")
cache_file = os.path.join(config.get_path('pacman'), arch, repo_pkg.filename)
if os.path.exists(cache_file):
if not repo_pkg._desc or 'SHA256SUM' not in repo_pkg._desc:
cache_matches = False
extra_msg = ". However, we can't validate it, as the https repo doesnt provide a SHA256SUM for it."
else:
cache_matches = sha256sum(cache_file) == repo_pkg._desc['SHA256SUM']
extra_msg = (". However its checksum doesn't match." if not cache_matches else " and its checksum matches.")
logging.debug(f"While checking the HTTPS repo DB, we found a matching filename in the pacman cache{extra_msg}")
if cache_matches:
logging.info(f'copying cache file {cache_file} to repo as verified by remote checksum')
shutil.move(cache_file, dest_file_path)
return dest_file_path
url = repo_pkg.resolved_url
assert url
try: