component: Rename and simplification

internal/component/backup.go

@@ -22,6 +22,20 @@ type Backupable interface {
 	Backup(context StagingContext) error
 }
 
+// Snapshotable represents a component with a Snapshot method.
+type Snapshotable interface {
+	Component
+
+	// SnapshotNeedsRunning returns if this Snapshotable requires a running instance.
+	SnapshotNeedsRunning() bool
+
+	// SnapshotName returns a new name to be used as an argument for path.
+	SnapshotName() string
+
+	// Snapshot snapshots a part of the instance
+	Snapshot(wisski models.Instance, context StagingContext) error
+}
+
 // StagingContext represents a context for [Backupable] and [Snapshotable]
 type StagingContext interface {
 	// IO returns the input output stream belonging to this backup file
@@ -50,20 +64,6 @@ type StagingContext interface {
 	AddFile(path string, op func(file io.Writer) error) error
 }
 
-// Snapshotable represents a component with a Snapshot method.
-type Snapshotable interface {
-	Component
-
-	// SnapshotNeedsRunning returns if this Snapshotable requires a running instance.
-	SnapshotNeedsRunning() bool
-
-	// SnapshotName returns a new name to be used as an argument for path.
-	SnapshotName() string
-
-	// Snapshot snapshots a part of the instance
-	Snapshot(wisski models.Instance, context StagingContext) error
-}
-
 // NewStagingContext returns a new [StagingContext]
 func NewStagingContext(env environment.Environment, io stream.IOStream, path string, manifest chan<- string) StagingContext {
 	return &stagingContext{