The index

The index speeds up listing commits, finding files and planning backups. Everything in it is derived from the store.

Holds	Derived from
sets and their commits	commits and set heads in the bucket
which archive holds which object	the archives’ own indexes
file versions and sizes	trees and files
retention state	tombstones in the bucket

Rebuilding

goback --storage gcs://my-bucket --index /var/lib/goback/index fix

fix reads the archives and set heads and writes a fresh index. Commits that don’t name a set go into a placeholder set.