Fix other

pkg/windows/cmd/cmd.go

@@ -0,0 +1,18 @@
+package cmd
+
+import (
+	"Win2Linux/pkg/errors"
+	"fmt"
+	"os/exec"
+	"strings"
+)
+
+func Execute(c []string) (string, error) {
+	a := strings.Join(c, " ")
+	cmd := exec.Command("cmd", "/d", "/c", "chcp 65001>nul && "+a)
+	out, err := cmd.CombinedOutput()
+	if err != nil {
+		return "", errors.New(fmt.Sprintf("failed to run the command: %s: %s", err, out), uint32(cmd.ProcessState.ExitCode()))
+	}
+	return string(out), nil
+}

pkg/windows/windows.go

@@ -1,6 +1,7 @@
 package windows
 
 import (
+	"os"
 	"syscall"
 	"unsafe"
 )
@@ -10,8 +11,13 @@ const (
 	MB_OK = 0
 )
 
+func Fatal(title, message string, exitCode int) {
+	messageBox(NULL, message, title, MB_OK)
+	os.Exit(exitCode)
+}
+
 // MessageBox of Win32 API.
-func MessageBox(hwnd uintptr, caption, title string, flags uint) int {
+func messageBox(hwnd uintptr, caption, title string, flags uint) int {
 	_caption, err := syscall.UTF16PtrFromString(caption)
 	if err != nil {
 		panic(err)