$ git clone -n https://src.fedoraproject.org/rpms/libwvstreams.git /var/lib/mock/f45-build-17273-497/root/chroot_tmpdir/scmroot/libwvstreams
Cloning into '/var/lib/mock/f45-build-17273-497/root/chroot_tmpdir/scmroot/libwvstreams'...
$ git fetch origin 9da9ec0b4b9d837e20a12845bcb778216d3bf260:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/libwvstreams
 * [new ref]         9da9ec0b4b9d837e20a12845bcb778216d3bf260 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 9da9ec0 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild