added patches for replacing firefox logos

copy.go

@@ -0,0 +1,99 @@
+package main
+
+import (
+	"fmt"
+	"io"
+	"os"
+	"path/filepath"
+)
+
+// applyCopyPatch handles `t:copy` type patches for copying and replacing files or directories
+func applyCopyPatch(inputPath, outputPath string) error {
+	fmt.Printf("Copying from %s to %s\n", inputPath, outputPath)
+
+	// Check if the source exists
+	info, err := os.Stat(inputPath)
+	if os.IsNotExist(err) {
+		return fmt.Errorf("input path does not exist: %s", inputPath)
+	}
+
+	// Handle files and directories differently
+	if info.IsDir() {
+		// Copy a directory
+		return copyDirectory(inputPath, outputPath)
+	} else {
+		// Copy a single file
+		return copyFile(inputPath, outputPath, info.Mode())
+	}
+}
+
+// copyFile copies a single file and replaces the destination if it exists
+func copyFile(srcFilePath, dstFilePath string, fileMode os.FileMode) error {
+	// Ensure the destination directory exists
+	destDir := filepath.Dir(dstFilePath)
+	if err := os.MkdirAll(destDir, os.ModePerm); err != nil {
+		return fmt.Errorf("failed to create destination directory: %s", destDir)
+	}
+
+	// Open source file
+	srcFile, err := os.Open(srcFilePath)
+	if err != nil {
+		return fmt.Errorf("failed to open source file: %s", srcFilePath)
+	}
+	defer srcFile.Close()
+
+	// Create destination file
+	dstFile, err := os.Create(dstFilePath)
+	if err != nil {
+		return fmt.Errorf("failed to create destination file: %s", dstFilePath)
+	}
+	defer dstFile.Close()
+
+	// Copy contents from source to destination
+	if _, err := io.Copy(dstFile, srcFile); err != nil {
+		return fmt.Errorf("failed to copy file: %v", err)
+	}
+
+	// Set file permissions
+	if err := os.Chmod(dstFilePath, fileMode); err != nil {
+		return fmt.Errorf("failed to set file permissions: %v", err)
+	}
+
+	fmt.Printf("File copied: %s -> %s\n", srcFilePath, dstFilePath)
+	return nil
+}
+
+// copyDirectory copies the contents of a directory and replaces the destination if it exists
+func copyDirectory(srcDirPath, dstDirPath string) error {
+	// Ensure the destination directory exists
+	if err := os.MkdirAll(dstDirPath, os.ModePerm); err != nil {
+		return fmt.Errorf("failed to create destination directory: %s", dstDirPath)
+	}
+
+	// Walk through the directory and copy each file/directory
+	return filepath.Walk(srcDirPath, func(path string, info os.FileInfo, err error) error {
+		if err != nil {
+			return err
+		}
+
+		// Compute the destination path
+		relPath, err := filepath.Rel(srcDirPath, path)
+		if err != nil {
+			return fmt.Errorf("failed to compute relative path: %v", err)
+		}
+		destPath := filepath.Join(dstDirPath, relPath)
+
+		if info.IsDir() {
+			// Create the destination directory
+			if err := os.MkdirAll(destPath, os.ModePerm); err != nil {
+				return fmt.Errorf("failed to create directory: %s", destPath)
+			}
+		} else {
+			// Copy the file
+			if err := copyFile(path, destPath, info.Mode()); err != nil {
+				return err
+			}
+		}
+		return nil
+	})
+}