$ git clone -n https://gitee.com/mgb01105731/grub2_5.git /var/lib/mock/dist-an23.3-build-487995-74418/root/chroot_tmpdir/scmroot/grub2_5
Cloning into '/var/lib/mock/dist-an23.3-build-487995-74418/root/chroot_tmpdir/scmroot/grub2_5'...
$ git fetch origin b3a588d1bc3dffe92eab447658c9ee1ea939c1fe:KOJI_FETCH_HEAD
From https://gitee.com/mgb01105731/grub2_5
 * [new ref]         b3a588d1bc3dffe92eab447658c9ee1ea939c1fe -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at b3a588d Fix install iso err by uefi