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chromium: cache chromium tarball hashes in update script

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this patch introduces an in memory cache for the result of hashing a
chromium release tarball after recompressing and pruning it.

previously updating chromium and ungoogled-chromium to the same chromium
version would result in the expensive recompression happening twice.
This commit is contained in:
networkException
2024-02-14 00:14:47 +01:00
parent 35ff7e87ee
commit 5eb227c31f
1 changed files with 16 additions and 5 deletions
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21
pkgs/applications/networking/browsers/chromium/update.py
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@@ -201,6 +201,8 @@ def print_updates(channels_old, channels_new):
channels = {}
last_channels = load_as_json(PIN_PATH)
src_hash_cache = {}
print(f'GET {RELEASES_URL}', file=sys.stderr)
with urlopen(RELEASES_URL) as resp:
@@ -240,13 +242,22 @@ with urlopen(RELEASES_URL) as resp:
google_chrome_suffix = channel_name
try:
channel['hash'] = prefetch_src_sri_hash(
channel_name_to_attr_name(channel_name),
release["version"]
)
version = release["version"]
if version in src_hash_cache:
print(f'Already got hash {src_hash_cache[version]} for {version}, skipping FOD prefetch for {channel_name_to_attr_name(channel_name)}')
channel["hash"] = src_hash_cache[version]
else:
channel["hash"] = prefetch_src_sri_hash(
channel_name_to_attr_name(channel_name),
version
)
src_hash_cache[version] = channel["hash"]
channel['hash_deb_amd64'] = nix_prefetch_url(
f'{DEB_URL}/google-chrome-{google_chrome_suffix}/' +
f'google-chrome-{google_chrome_suffix}_{release["version"]}-1_amd64.deb')
f'google-chrome-{google_chrome_suffix}_{version}-1_amd64.deb')
except subprocess.CalledProcessError:
# This release isn't actually available yet. Continue to
# the next one.