$ git clone -n https://src.fedoraproject.org/rpms/rust-font-types.git /var/lib/mock/f45-build-35469-695/root/chroot_tmpdir/scmroot/rust-font-types
Cloning into '/var/lib/mock/f45-build-35469-695/root/chroot_tmpdir/scmroot/rust-font-types'...
$ git fetch origin b1661bd083d31176ba3c93fa936a14fcc56d7b9f:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-font-types
 * [new ref]         b1661bd083d31176ba3c93fa936a14fcc56d7b9f -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at b1661bd local build