if opt_resume:
# explicit resume
if opt_simulate:
fatal("--resume and --simulate incompatible: you can only resume real backups")
if opt_disable_resume:
fatal("--resume and --disable-resume incompatible")
if registry.backup_resume_conf is None:
fatal("no previous backup session to resume from")
if opt_simulate and registry.backup_resume_conf and not opt_disable_resume:
fatal("--simulate will destroy your aborted backup session. To force use --disable-resume")
lock = PidLock(PATH_PIDLOCK, nonblock=True)
try:
lock.lock()
except lock.Locked:
fatal("a previous backup is still in progress")
if conf.s3_parallel_uploads > 1 and conf.s3_parallel_uploads > (conf.volsize / 5):
warn("s3-parallel-uploads > volsize / 5 (minimum upload chunk is 5MB)")
if not raw_upload_path:
try:
update_profile(conf.force_profile)
except hub.Backups.NotInitialized, e:
fatal("you need a profile to backup, run tklbam-init first")
credentials = None
