$ git clone -n https://src.fedoraproject.org/rpms/fwupd.git /var/lib/mock/f45-build-9366-403/root/chroot_tmpdir/scmroot/fwupd
Cloning into '/var/lib/mock/f45-build-9366-403/root/chroot_tmpdir/scmroot/fwupd'...
$ git fetch origin 8ebb54e7f729f158ee01b8a4c501d6e13314bef4:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/fwupd
 * [new ref]         8ebb54e7f729f158ee01b8a4c501d6e13314bef4 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 8ebb54e New upstream release