Database.Schema.Migrations.Filesystem

This module provides a type for interacting with a filesystem-backed MigrationStore.

Documentation

data FilesystemStore

Constructors

FSStore

Fields

storePath :: FilePath

Instances

MonadIO m => MigrationStore FilesystemStore m

migrationFromFile :: FilesystemStore -> String -> IO (Either String Migration)

Given a store and migration name, read and parse the associated migration and return the migration if successful. Otherwise return a parsing error message.

migrationFromPath :: FilePath -> IO (Either String Migration)

Given a filesystem path, read and parse the file as a migration return the Migration if successful. Otherwise return a parsing error message.