opendev/gerrit
Code Issues Proposed changes

Delete corrupt cache entries from ~/.gerritcodereview/buck-cache

Browse Source 
If the SHA-1 does not match the downloaded file content, delete the
file from the cache. This allows a user to fix whatever connectivity
problem led to the corruption and re-run buck build to download
the correct content.

Change-Id: I2f72fb2b187675ec9d5cda650d8982bc93a00189
This commit is contained in:
Shawn Pearce 2013-05-22 08:54:04 -07:00
parent e1f8288fc7
commit eb2eeec491
1 changed files with 7 additions and 4 deletions
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11
tools/download_file.py
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@ -17,7 +17,7 @@ from __future__ import print_function
from hashlib import sha1
from optparse import OptionParser
from os import link, makedirs, path, symlink
from os import link, makedirs, path, remove, symlink
import shutil
from subprocess import check_call, CalledProcessError
from sys import stderr
@ -135,12 +135,15 @@ if not path.exists(cache_ent):
if args.v:
have = hashfile(cache_ent)
if args.v != have:
o = cache_ent[len(root_dir) + 1:]
print((
'%s:\n' +
'expected %s\n' +
'received %s\n' +
' %s\n') % (src_url, args.v, have, o), file=stderr)
'received %s\n') % (src_url, args.v, have), file=stderr)
try:
remove(cache_ent)
except OSError as err:
if path.exists(cache_ent):
print('error removing %s: %s' % (cache_ent, err), file=stderr)
exit(1)
exclude = []