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avoid checking for non-existent files 

if there's no attic cache, it's no use checking for individual files

this also makes the code a little clearer

also added comments
This commit is contained in:
Antoine Beaupré 2015-10-03 11:52:12 -04:00
parent 690541264e
commit 48b7c8cea3
1 changed files with 14 additions and 10 deletions
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24
borg/converter.py
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@ -178,22 +178,26 @@ class AtticRepositoryConverter(Repository):
print("no %s cache file found in %s" % (path, attic_file))
return None
# XXX: untested, because generating cache files is a PITA, see
# Archiver.do_create() for proof
if os.path.exists(attic_cache_dir):
if not os.path.exists(borg_cache_dir):
os.makedirs(borg_cache_dir)
# non-binary file that we don't need to convert, just copy
copy_cache_file('config')
# XXX: untested, because generating cache files is a PITA, see
# Archiver.do_create() for proof
for cache in ['files', 'chunks']:
copied = copy_cache_file(cache)
if copied:
caches.append(copied)
# we need to convert the headers of those files, copy first
for cache in ['files', 'chunks']:
copied = copy_cache_file(cache)
if copied:
caches.append(copied)
for cache in caches:
print("converting cache %s" % cache)
if not dryrun:
AtticRepositoryConverter.header_replace(cache, b'ATTICIDX', b'BORG_IDX')
# actually convert the headers of the detected files
for cache in caches:
print("converting cache %s" % cache)
if not dryrun:
AtticRepositoryConverter.header_replace(cache, b'ATTICIDX', b'BORG_IDX')
class AtticKeyfileKey(KeyfileKey):