Build in /tmp and immediately discard

internal/app/app.go

@@ -180,6 +180,7 @@ func runBuildModule(ctx context) error {
 
 type buildHAKOptions struct {
 	filteredHAKs []string
+	filteredArchives []string
 	planOnly     bool
 }
 
@@ -205,7 +206,10 @@ func runBuildHAKs(ctx context) error {
 	if opts.planOnly {
 		result, err = pipeline.PlanHAKsWithProgress(p, progress)
 	} else {
-		result, err = pipeline.BuildHAKsWithProgress(p, progress)
+		result, err = pipeline.BuildHAKsWithOptions(p, pipeline.BuildHAKOptions{
+			Progress:       progress,
+			ArchiveNames:   opts.filteredArchives,
+		})
 	}
 	if err != nil {
 		return err
@@ -230,13 +234,19 @@ func parseBuildHAKArgs(args []string) (buildHAKOptions, error) {
 		arg := args[index]
 		switch arg {
 		case "-h", "--help":
-			return opts, errors.New("usage: build-haks [--hak <hak-name> ...] [--plan-only]")
+			return opts, errors.New("usage: build-haks [--hak <hak-name> ...] [--archive <archive-name> ...] [--plan-only]")
 		case "--hak":
 			index++
 			if index >= len(args) {
 				return opts, errors.New("--hak requires a value")
 			}
 			opts.filteredHAKs = append(opts.filteredHAKs, args[index])
+		case "--archive":
+			index++
+			if index >= len(args) {
+				return opts, errors.New("--archive requires a value")
+			}
+			opts.filteredArchives = append(opts.filteredArchives, args[index])
 		case "--plan-only":
 			opts.planOnly = true
 		default:
@@ -244,6 +254,10 @@ func parseBuildHAKArgs(args []string) (buildHAKOptions, error) {
 				opts.filteredHAKs = append(opts.filteredHAKs, value)
 				continue
 			}
+			if value, ok := parseInlineFlagValue(arg, "--archive"); ok {
+				opts.filteredArchives = append(opts.filteredArchives, value)
+				continue
+			}
 			return opts, fmt.Errorf("unknown build-haks argument %q", arg)
 		}
 	}