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Detect apk cache changes to avoid having to blow the whole thing

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This commit is contained in:
Ciaran Gultnieks 2015-01-11 18:22:00 +00:00
parent 75aa384e80
commit b5ed40684f
1 changed files with 20 additions and 14 deletions
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34
fdroidserver/update.py
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@ -421,14 +421,30 @@ def scan_apks(apps, apkcache, repodir, knownapks):
logging.critical("Spaces in filenames are not allowed.")
sys.exit(1)
if apkfilename in apkcache:
logging.debug("Reading " + apkfilename + " from cache")
thisinfo = apkcache[apkfilename]
# Calculate the sha256...
sha = hashlib.sha256()
with open(apkfile, 'rb') as f:
while True:
t = f.read(16384)
if len(t) == 0:
break
sha.update(t)
shasum = sha.hexdigest()
else:
usecache = False
if apkfilename in apkcache:
thisinfo = apkcache[apkfilename]
if thisinfo['sha256'] == shasum:
logging.debug("Reading " + apkfilename + " from cache")
usecache = True
else:
logging.debug("Ignoring stale cache data for " + apkfilename)
if not usecache:
logging.debug("Processing " + apkfilename)
thisinfo = {}
thisinfo['apkname'] = apkfilename
thisinfo['sha256'] = shasum
srcfilename = apkfilename[:-4] + "_src.tar.gz"
if os.path.exists(os.path.join(repodir, srcfilename)):
thisinfo['srcname'] = srcfilename
@ -514,16 +530,6 @@ def scan_apks(apps, apkcache, repodir, knownapks):
if common.isApkDebuggable(apkfile, config):
logging.warn('{0} is set to android:debuggable="true"'.format(apkfile))
# Calculate the sha256...
sha = hashlib.sha256()
with open(apkfile, 'rb') as f:
while True:
t = f.read(1024)
if len(t) == 0:
break
sha.update(t)
thisinfo['sha256'] = sha.hexdigest()
# Get the signature (or md5 of, to be precise)...
thisinfo['sig'] = getsig(os.path.join(os.getcwd(), apkfile))
if not thisinfo['sig']: