Add reconciliation state foundation

internal/publish/output.go

@@ -109,6 +109,18 @@ func (o Output) StateOutputFile() state.OutputFile {
 	}
 }
 
+func (o Output) StateOutputProjection() state.OutputProjection {
+	return state.OutputProjection{
+		Path:       o.DestinationPath,
+		Kind:       o.Kind,
+		SourcePath: o.SourcePath,
+		Transform:  o.Transform,
+		URL:        o.URL,
+		SHA256:     o.SHA256,
+		Size:       o.Size,
+	}
+}
+
 func (o Output) ManagedPath() string {
 	return o.DestinationPath
 }
@@ -121,6 +133,14 @@ func StateOutputFiles(outputs []Output) []state.OutputFile {
 	return files
 }
 
+func StateOutputProjections(outputs []Output) []state.OutputProjection {
+	projections := make([]state.OutputProjection, 0, len(outputs))
+	for _, output := range outputs {
+		projections = append(projections, output.StateOutputProjection())
+	}
+	return projections
+}
+
 func ManagedOutputPaths(outputs []Output) []string {
 	paths := make([]string, 0, len(outputs))
 	for _, output := range outputs {