$ git clone -n https://gitee.com/gcdota930915/grub2.git /var/lib/mock/dist-an23-build-546866-87467/root/chroot_tmpdir/scmroot/grub2
Cloning into '/var/lib/mock/dist-an23-build-546866-87467/root/chroot_tmpdir/scmroot/grub2'...
$ git reset --hard 0aa57fb88530cfbe6892a3b981a4bb0bd8fa795c
HEAD is now at 0aa57fb update grub.macros.