Andrew Farries 69ab631485 Add a sentinel error for no active migration (#11) ... Add a sentinel error `ErrNoActiveMigration` for the case where there is no active migration. This improves the error strings presented to users by not mentioning SQL errors. **`pg-roll start` when there is a migration in progess:** ``` Error: a migration for schema "public" is already in progress ``` **`pg-roll rollback` when there is no migration in progress:** ``` Error: unable to get active migration: no active migration ``` **`pg-complete` when there is no active migration:** ``` Error: unable to get active migration: no active migration ```		2023-07-03 14:18:31 +01:00
..
errors.go	Add a sentinel error for no active migration (#11)	2023-07-03 14:18:31 +01:00
state.go	Add a sentinel error for no active migration (#11)	2023-07-03 14:18:31 +01:00