Moves files

internal/migrations/interface.go

@@ -0,0 +1,21 @@
+package migrations
+
+import (
+	"context"
+	"restic"
+)
+
+// Migration implements a data migration.
+type Migration interface {
+	// Check returns true if the migration can be applied to a repo.
+	Check(context.Context, restic.Repository) (bool, error)
+
+	// Apply runs the migration.
+	Apply(context.Context, restic.Repository) error
+
+	// Name returns a short name.
+	Name() string
+
+	// Descr returns a description what the migration does.
+	Desc() string
+}