$ git clone -n https://src.fedoraproject.org/rpms/du-dust.git /var/lib/mock/f45-build-39619-750/root/chroot_tmpdir/scmroot/du-dust
Cloning into '/var/lib/mock/f45-build-39619-750/root/chroot_tmpdir/scmroot/du-dust'...
$ git fetch origin eb009a063f5085e8736bf1d872ce5489fb12dd3f:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/du-dust
 * [new ref]         eb009a063f5085e8736bf1d872ce5489fb12dd3f -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at eb009a0 Allow clap_mangen 0.3