Address review comments: renametypes and vars

hack/tools/release/notes.go

@@ -71,7 +71,7 @@ var (
 
 	tagRegex = regexp.MustCompile(`^\[release-[\w-\.]*\]`)
 
-	areaLabelsFormatMapping = map[string]string{
+	userFriendlyAreas = map[string]string{
 		"e2e-testing":                    "e2e",
 		"provider/control-plane-kubeadm": "KCP",
 		"provider/infrastructure-docker": "CAPD",
@@ -164,8 +164,8 @@ func getAreaLabel(merge string) (string, error) {
 		return missingAreaLabelPrefix, nil
 	case 1:
 		area := areaLabels[0]
-		if formattedArea := areaLabelsFormatMapping[area]; formattedArea != "" {
-			area = formattedArea
+		if userFriendlyArea, ok := userFriendlyAreas[area]; ok {
+			area = userFriendlyArea
 		}
 		return area, nil
 	default:
@@ -291,17 +291,17 @@ func run() int {
 	fmt.Printf("Changes since %v\n---\n", commitRange)
 
 	fmt.Printf("## :chart_with_upwards_trend: Overview\n")
-	if size := len(commits); size > 0 {
-		fmt.Printf("- %d new commits merged\n", size)
+	if count := len(commits); count > 0 {
+		fmt.Printf("- %d new commits merged\n", count)
 	}
-	if size := len(merges[warning]); size > 0 {
-		fmt.Printf("- %d breaking changes :warning:\n", size)
+	if count := len(merges[warning]); count > 0 {
+		fmt.Printf("- %d breaking changes :warning:\n", count)
 	}
-	if size := len(merges[features]); size > 0 {
-		fmt.Printf("- %d feature additions ✨\n", size)
+	if count := len(merges[features]); count > 0 {
+		fmt.Printf("- %d feature additions ✨\n", count)
 	}
-	if size := len(merges[bugs]); size > 0 {
-		fmt.Printf("- %d bugs fixed 🐛\n", size)
+	if count := len(merges[bugs]); count > 0 {
+		fmt.Printf("- %d bugs fixed 🐛\n", count)
 	}
 	fmt.Println()