replica_exists

Returns true if the replica already exists / has been initialized. Returns false otherwise.

_file_exists PATH

Returns true if PATH is a file or directory in this replica's directory structure

traverse_changesets { after => SEQUENCE_NO, callback => sub { } }

Walks through all changesets from $after to $until, calling $callback on each.

If no $until is specified, the latest changeset is assumed.

read_userdata_file

Returns the contents of the given file in this replica's userdata directory. Returns undef if the file does not exist.

write_userdata

Writes the given string to the given file in this replica's userdata directory.