* ud-generate: The ssh authorized_keys file for the sshdist user now wraps
the rsync call in an flock wrapper that acquires a shared lock on
ud-generate's lock. This prevents syncing while ud-generate runs.
* ud-generate: The ssh authorized_keys file for the sshdist user now wraps
the rsync call in an flock wrapper that acquires a shared lock on
ud-generate's lock. This prevents syncing while ud-generate runs.