writeFileWithStatus() which shows 'Creating' for new, 'Updating' for changed and 'Unchanged' for files that won't change

tesseract/genconf/env.go

@@ -2,7 +2,6 @@ package main
 
 import (
 	"fmt"
-	"io"
 	"log"
 	"os"
 	"path/filepath"
@@ -25,11 +24,10 @@ func generateEnv(yamlFile string) {
 
 		// Create combined roots.pem file
 		rootsPemPath := filepath.Join(logEntry.LocalDirectory, "roots.pem")
-		err := createCombinedRootsPem(config.Roots, logEntry.ExtraRoots, rootsPemPath)
+		err := createCombinedRootsPemWithStatus(config.Roots, logEntry.ExtraRoots, rootsPemPath)
 		if err != nil {
 			log.Fatalf("Failed to create %s: %v", rootsPemPath, err)
 		}
-		fmt.Printf("Generated %s\n", rootsPemPath)
 
 		// Build TESSERACT_ARGS string
 		args := []string{
@@ -47,50 +45,32 @@ func generateEnv(yamlFile string) {
 		tesseractArgs := strings.Join(args, " ")
 		envContent := fmt.Sprintf("TESSERACT_ARGS=\"%s\"\nOTEL_EXPORTER_OTLP_ENDPOINT=http://localhost:4318\n", tesseractArgs)
 
-		err = os.WriteFile(envPath, []byte(envContent), 0644)
+		err = writeFileWithStatus(envPath, []byte(envContent))
 		if err != nil {
 			log.Fatalf("Failed to write %s: %v", envPath, err)
 		}
-
-		fmt.Printf("Generated %s\n", envPath)
 	}
 }
 
-func createCombinedRootsPem(rootsFile, extraRootsFile, outputPath string) error {
-	// Create output file
-	outputFile, err := os.Create(outputPath)
-	if err != nil {
-		return fmt.Errorf("failed to create output file: %v", err)
-	}
-	defer outputFile.Close()
-
-	// Copy main roots file
+func createCombinedRootsPemWithStatus(rootsFile, extraRootsFile, outputPath string) error {
+	// Read main roots file
+	var combinedContent []byte
 	if rootsFile != "" {
-		rootsData, err := os.Open(rootsFile)
+		rootsData, err := os.ReadFile(rootsFile)
 		if err != nil {
-			return fmt.Errorf("failed to open roots file %s: %v", rootsFile, err)
-		}
-		defer rootsData.Close()
-
-		_, err = io.Copy(outputFile, rootsData)
-		if err != nil {
-			return fmt.Errorf("failed to copy roots file: %v", err)
+			return fmt.Errorf("failed to read roots file %s: %v", rootsFile, err)
 		}
+		combinedContent = append(combinedContent, rootsData...)
 	}
 
 	// Append extra roots file if it exists
 	if extraRootsFile != "" {
-		extraRootsData, err := os.Open(extraRootsFile)
+		extraRootsData, err := os.ReadFile(extraRootsFile)
 		if err != nil {
-			return fmt.Errorf("failed to open extra roots file %s: %v", extraRootsFile, err)
-		}
-		defer extraRootsData.Close()
-
-		_, err = io.Copy(outputFile, extraRootsData)
-		if err != nil {
-			return fmt.Errorf("failed to copy extra roots file: %v", err)
+			return fmt.Errorf("failed to read extra roots file %s: %v", extraRootsFile, err)
 		}
+		combinedContent = append(combinedContent, extraRootsData...)
 	}
 
-	return nil
+	return writeFileWithStatus(outputPath, combinedContent)
 }