$ git clone -n https://gitee.com/errata/grub2.git /var/lib/mock/dist-an7_9-updates-build-383381-71920/root/chroot_tmpdir/scmroot/grub2
Cloning into '/var/lib/mock/dist-an7_9-updates-build-383381-71920/root/chroot_tmpdir/scmroot/grub2'...
$ git reset --hard b0497f4e0534be9978422584fd9493c5b79de275
HEAD is now at b0497f4 Update to grub2-2.02-0.87.el7_9.14