```
$ snapdir ancestors --help
List ancestor snapshot IDs and their locations
Usage: snapdir ancestors [OPTIONS]
Options:
--cache-dir <DIR> Directory where the object cache is stored [env: SNAPDIR_CACHE_DIR=]
--catalog <NAME> Catalog adapter to use [env: SNAPDIR_CATALOG=]
--store <URI> Store URI: `protocol://location/path`
--id <ID> Snapshot ID to operate on
--exclude <PATTERN> Exclude paths matching PATTERN
--paths <PATTERN> Only include paths matching PATTERN
--linked Use symlinks instead of copies
--force Force an action to run
--purge Purge objects with invalid checksums
--keep Keep the staging directory
--dryrun Run without making any changes
--verbose Enable verbose output
--debug Enable debug output
--location <DIR|STORE> Context (directory or store) for catalog queries
-h, --help Print help
-V, --version Print version
```