$ git clone -n https://src.fedoraproject.org/rpms/erlang-p1_utils.git /var/lib/mock/f41-build-1232792-22865/root/chroot_tmpdir/scmroot/erlang-p1_utils
Cloning into '/var/lib/mock/f41-build-1232792-22865/root/chroot_tmpdir/scmroot/erlang-p1_utils'...
$ git fetch origin db02ac0e27a1839094dcd170d1e32eff0d8b21d1:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/erlang-p1_utils
 * [new ref]         db02ac0e27a1839094dcd170d1e32eff0d8b21d1 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at db02ac0 p1_utils ver. 1.0.26