$ git clone -n https://gitee.com/gcdota930915/grub2.git /var/lib/mock/dist-an23-build-546845-87424/root/chroot_tmpdir/scmroot/grub2
Cloning into '/var/lib/mock/dist-an23-build-546845-87424/root/chroot_tmpdir/scmroot/grub2'...
$ git reset --hard acfacfd4e888b92f5c0b351be6fea6ef2e2741ec
HEAD is now at acfacfd update grub.macros.