Rename selected configuration profiles to overlays

internal/engine/source_fifo_test.go

@@ -23,8 +23,8 @@ func TestNonregularSourcesDoNotBlock(t *testing.T) {
 			source = File(filepath.Join(root, "pipe.yml"))
 		case "import":
 			opts.Imports = true
-		case "profile":
-			opts.Profile = "fifo"
+		case "overlay":
+			opts.Overlay = "fifo"
 		}
 		_, err := testLoad(source, opts)
 		var loadErr *LoadError
@@ -38,7 +38,7 @@ func TestNonregularSourcesDoNotBlock(t *testing.T) {
 		}
 		t.Fatalf("expected nonregular classification, got %v", loadErr.Diagnostics())
 	}
-	for _, mode := range []string{"file", "import", "profile"} {
+	for _, mode := range []string{"file", "import", "overlay"} {
 		t.Run(mode, func(t *testing.T) {
 			root := t.TempDir()
 			input := "value: 1\n"
@@ -48,12 +48,12 @@ func TestNonregularSourcesDoNotBlock(t *testing.T) {
 			if err := os.WriteFile(filepath.Join(root, "config.yml"), []byte(input), 0600); err != nil {
 				t.Fatal(err)
 			}
-			if err := os.Mkdir(filepath.Join(root, "profiles"), 0700); err != nil {
+			if err := os.Mkdir(filepath.Join(root, "overlays"), 0700); err != nil {
 				t.Fatal(err)
 			}
 			fifo := filepath.Join(root, "pipe.yml")
-			if mode == "profile" {
-				fifo = filepath.Join(root, "profiles", "fifo.yml")
+			if mode == "overlay" {
+				fifo = filepath.Join(root, "overlays", "fifo.yml")
 			}
 			if err := syscall.Mkfifo(fifo, 0600); err != nil {
 				t.Fatal(err)