$ git clone -n https://src.fedoraproject.org/rpms/kmines.git /var/lib/mock/f40-build-2405427-60558/root/chroot_tmpdir/scmroot/kmines
Cloning into '/var/lib/mock/f40-build-2405427-60558/root/chroot_tmpdir/scmroot/kmines'...
$ git fetch origin 706d5f363954ab35f674a6fac03ded362c2179e2:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/kmines
 * [new ref]         706d5f363954ab35f674a6fac03ded362c2179e2 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 706d5f3 24.01.95