$ git clone -n https://src.fedoraproject.org/rpms/sigul /var/lib/mock/f41-build-side-1-3137714-39796/root/chroot_tmpdir/scmroot/sigul
Cloning into '/var/lib/mock/f41-build-side-1-3137714-39796/root/chroot_tmpdir/scmroot/sigul'...
$ git fetch origin dd0e041380e5d7a433884d1fa73f4df1208f55c9:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/sigul
 * [new ref]         dd0e041380e5d7a433884d1fa73f4df1208f55c9 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at dd0e041 convert GPLv2 license to SPDX