$ git clone -n https://gitee.com/mgb01105731/grub2_7.git /var/lib/mock/dist-an23-build-373500-71458/root/chroot_tmpdir/scmroot/grub2_7
Cloning into '/var/lib/mock/dist-an23-build-373500-71458/root/chroot_tmpdir/scmroot/grub2_7'...
$ git reset --hard origin/a23.0
HEAD is now at d8026b5 update to 2.12