$ git clone -n https://src.fedoraproject.org/rpms/fwupd.git /var/lib/mock/f41-build-side-1-2635847-26162/root/chroot_tmpdir/scmroot/fwupd
Cloning into '/var/lib/mock/f41-build-side-1-2635847-26162/root/chroot_tmpdir/scmroot/fwupd'...
$ git fetch origin c5e962355989b0c6e6a39b125e428e99a3efa758:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/fwupd
 * [new ref]         c5e962355989b0c6e6a39b125e428e99a3efa758 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at c5e9623 New upstream release