def _move(source, dest):
if not lexists(source):
raise Error("no such file or directory " + `source`)
if not exists(dirname(dest)):
os.makedirs(dirname(dest))
utils.remove_any(dest)
utils.move(source, dest)
def rollback_files(self):
if not exists(self.paths.fsdelta):
return
changes = Changes.fromfile(self.paths.fsdelta)
dirindex = DirIndex(self.paths.dirindex)
exceptions = 0
for change in changes:
try:
if change.path not in dirindex:
utils.remove_any(change.path)
continue
if change.OP in ('o', 'd'):
try:
self._move_from_originals(change.path)
except self.Error:
continue
dirindex_rec = dirindex[change.path]
local_rec = DirIndex.Record.frompath(change.path)
if dirindex_rec.uid != local_rec.uid or \
dirindex_rec.gid != local_rec.gid:
os.lchown(change.path, dirindex_rec.uid, dirindex_rec.gid)
if dirindex_rec.mod != local_rec.mod:
mod = stat.S_IMODE(dirindex_rec.mod)
os.chmod(change.path, mod)
except:
exceptions += 1
# fault-tolerance: warn and continue, don't die
traceback.print_exc(file=sys.stderr)
for fname in ('passwd', 'group'):
shutil.copy(join(self.paths.etc, fname), "/etc")
if exceptions:
raise Error("caught %d exceptions during rollback_files" % exceptions)