command-line: darwin package

cmd/internal/assets/assets.go

@@ -77,6 +77,7 @@ func WriteFile(projectData *project.Project, file string, content []byte) error
 			return nil
 		}
 	}
+	os.Remove(targetPath)
 	if f, err := os.OpenFile(targetPath, os.O_CREATE|os.O_WRONLY, 0755); err != nil {
 		return err
 	} else {

cmd/internal/packager/pkg_app_darwin.go

@@ -248,8 +248,8 @@ func copyHelperFile(proj *project.Project, appRoot string) error {
 		if err != nil {
 			return err
 		}
-		defer helperMacOSExeFile.Close()
 		io.Copy(helperMacOSExeFile, exeFile)
+		helperMacOSExeFile.Close()
 		exeFile.Seek(0, 0)
 	}
 	cmd.Close()