$ git clone -n https://src.fedoraproject.org/rpms/libqxp.git /var/lib/mock/f45-build-16822-491/root/chroot_tmpdir/scmroot/libqxp
Cloning into '/var/lib/mock/f45-build-16822-491/root/chroot_tmpdir/scmroot/libqxp'...
$ git fetch origin 06ba469721a0c9c0d6f59b4d9d31bd672ea9b76b:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/libqxp
 * [new ref]         06ba469721a0c9c0d6f59b4d9d31bd672ea9b76b -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 06ba469 Update to a new upstream release