$ git clone -n https://src.fedoraproject.org/rpms/libdigidocpp.git /var/lib/mock/f41-build-738797-13297/root/chroot_tmpdir/scmroot/libdigidocpp
Cloning into '/var/lib/mock/f41-build-738797-13297/root/chroot_tmpdir/scmroot/libdigidocpp'...
$ git fetch origin d4bb01753079fa3a2cfe2dae9575dfdb758beeb8:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/libdigidocpp
 * [new ref]         d4bb01753079fa3a2cfe2dae9575dfdb758beeb8 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at d4bb017 3.17.0 release