$ git clone -n https://src.fedoraproject.org/rpms/davix.git /var/lib/mock/f40-build-2226137-52905/root/chroot_tmpdir/scmroot/davix
Cloning into '/var/lib/mock/f40-build-2226137-52905/root/chroot_tmpdir/scmroot/davix'...
$ git fetch origin 70748603925d4e2f6c28de16a7baf8bcb0e599ed:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/davix
 * [new ref]         70748603925d4e2f6c28de16a7baf8bcb0e599ed -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 7074860 Rebuild for gtest 1.14.0