fixed "mozilla-release/obj-x86_64-pc-linux-gnu/dist/bin/browser/chrome/browser/content/browser/preferences/dialogs/addEngine.js" does not exist bug related to replace-all, I dont even want to know why is it doing that, jesus christ

main.go

@@ -147,6 +147,7 @@ func applyPatch(patchPath, rootPath string) error {
 		return fmt.Errorf("failed to read patch file: %v", err)
 	}
 
+	if patchType != "replace-all" {
 		if inputFilePath == "" && patchType != "new" {
 			return fmt.Errorf("patch file must specify input (i:) file")
 		}
@@ -155,12 +156,18 @@ func applyPatch(patchPath, rootPath string) error {
 			return fmt.Errorf("patch file must specify output (o:) file")
 		}
 
+		// Only do this rename if it's not 'new' or 'copy'
 		if patchType != "new" && patchType != "copy" && inputFilePath != outputFilePath {
+			// Only rename if the input file actually exists
+			if _, err := os.Stat(inputFilePath); os.IsNotExist(err) {
+				return fmt.Errorf("input file does not exist: %s", inputFilePath)
+			}
 			err = os.Rename(inputFilePath, outputFilePath)
 			if err != nil {
 				return fmt.Errorf("failed to replace output file: %v", err)
 			}
 		}
+	}
 
 	// Process based on patch type
 	switch patchType {

replace-all.go

@@ -32,15 +32,24 @@ func applyReplaceAllPatch(rootPath string, modifications []string) error {
 		if err != nil {
 			return err
 		}
-		if d.IsDir() {
-			// Skip patcher's own directory and subdirectories
+
+		// Skip patcher's own dir and subdirs
 		if strings.HasPrefix(path, patcherDir) {
+			if d.IsDir() {
 				return fs.SkipDir
 			}
 			return nil
 		}
-		// Skip patcher's own files
-		if strings.HasPrefix(path, patcherDir) {
+
+		// Skip any obj-* folders inside mozilla-release
+		if strings.Contains(path, "mozilla-release/obj-") {
+			if d.IsDir() {
+				return fs.SkipDir
+			}
+			return nil
+		}
+
+		if d.IsDir() {
 			return nil
 		}