$ git clone -n https://gitee.com/yan1hcdc/grub2.git /var/lib/mock/dist-an23-build-540882-85058/root/chroot_tmpdir/scmroot/grub2
Cloning into '/var/lib/mock/dist-an23-build-540882-85058/root/chroot_tmpdir/scmroot/grub2'...
$ git fetch origin af5dc473d7db68a4d0ad88679d841b532060465d:KOJI_FETCH_HEAD
From https://gitee.com/yan1hcdc/grub2
 * [new ref]         af5dc473d7db68a4d0ad88679d841b532060465d -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at af5dc47 fix build error against GCC 14