Fix the retarded fucking diffing

coolify/proxy/caddy/dynamic/caddy-sync.go

@@ -140,7 +140,7 @@ func syncConfigs(config *Config) error {
 	if err != nil {
 		return fmt.Errorf("failed to get current directory: %w", err)
 	}
-	logger := cylogger.Default.WithPrefix(fmt.Sprintf("dir=%s", currentDir))
+	logger := cylogger.Default
 
 	// Get existing .caddy files
 	logger.Debug("Scanning for existing .caddy files")
@@ -180,7 +180,7 @@ func syncConfigs(config *Config) error {
 					return fmt.Errorf("failed to create file %s: %w", caddyFilename, err)
 				}
 			}
-		} else if normalizeContent(existingContent) != normalizeContent(expectedContent) {
+		} else if !contentMatches(existingContent, expectedContent) {
 			// File exists but content differs
 			fileLogger.Info("File content differs, updating")
 			updated++
@@ -335,14 +335,37 @@ func generateAndLogDiff(logger *cylogger.Logger, filename, existingContent, expe
 	}
 }
 
-func normalizeContent(content string) string {
-	// Normalize content for comparison by trimming whitespace and standardizing line endings
-	lines := strings.Split(content, "\n")
+func contentMatches(existing, expected string) bool {
+	dmp := diffmatchpatch.New()
+	diffs := dmp.DiffMain(normalize(existing), normalize(expected), false)
+
+	// If there are any insertions or deletions, content differs
+	for _, diff := range diffs {
+		if diff.Type == diffmatchpatch.DiffInsert || diff.Type == diffmatchpatch.DiffDelete {
+			cylogger.Trace("Content differs at %q", diff.Text)
+			return false
+		}
+	}
+	return true
+}
+
+func normalize(text string) string {
+	// Standardize line endings
+	text = strings.ReplaceAll(text, "\r\n", "\n")
+	text = strings.ReplaceAll(text, "\r", "\n")
+
+	// Split into lines and normalize each
+	lines := strings.Split(text, "\n")
 	var normalizedLines []string
 
 	for _, line := range lines {
-		normalizedLines = append(normalizedLines, strings.TrimSpace(line))
+		trimmed := strings.TrimSpace(line)
+		if trimmed != "" {  // Skip empty lines
+			normalizedLines = append(normalizedLines, trimmed)
+		}
 	}
 
-	return strings.Join(normalizedLines, "\n")
+	// Join with single newlines and trim ends
+	result := strings.Join(normalizedLines, "\n")
+	return strings.TrimSpace(result)
 }