[service] Fix file permission in the updates

base/utils/permissions.go

@@ -4,17 +4,7 @@ package utils
 
 import "os"
 
-// SetDirPermission sets the permission of a directory.
-func SetDirPermission(path string, perm FSPermission) error {
-	return os.Chmod(path, perm.AsUnixDirExecPermission())
-}
-
-// SetExecPermission sets the permission of an executable file.
-func SetExecPermission(path string, perm FSPermission) error {
-	return SetDirPermission(path, perm)
-}
-
-// SetFilePermission sets the permission of a non executable file.
+// SetFilePermission sets the permission of a file or directory.
 func SetFilePermission(path string, perm FSPermission) error {
-	return os.Chmod(path, perm.AsUnixFilePermission())
+	return os.Chmod(path, perm.AsUnixPermission())
 }