$ git clone -n https://src.fedoraproject.org/rpms/kolf.git /var/lib/mock/f41-build-side-1-2647439-27302/root/chroot_tmpdir/scmroot/kolf
Cloning into '/var/lib/mock/f41-build-side-1-2647439-27302/root/chroot_tmpdir/scmroot/kolf'...
$ git fetch origin 468072156a68e01bc2e43400d08c890d5d4ffe8e:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/kolf
 * [new ref]         468072156a68e01bc2e43400d08c890d5d4ffe8e -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 4680721 convert license to SPDX