$ git clone -n https://src.fedoraproject.org/rpms/vdr-femon.git /var/lib/mock/f41-build-side-1-2778955-32451/root/chroot_tmpdir/scmroot/vdr-femon
Cloning into '/var/lib/mock/f41-build-side-1-2778955-32451/root/chroot_tmpdir/scmroot/vdr-femon'...
$ git fetch origin 9b2c7bac4c5fa1a446e69ec232f422554c05232c:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/vdr-femon
 * [new ref]         9b2c7bac4c5fa1a446e69ec232f422554c05232c -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 9b2c7ba convert GPLv2+ license to SPDX