$ git clone -n https://src.fedoraproject.org/rpms/givaro.git /var/lib/mock/f45-build-11130-427/root/chroot_tmpdir/scmroot/givaro
Cloning into '/var/lib/mock/f45-build-11130-427/root/chroot_tmpdir/scmroot/givaro'...
$ git fetch origin ff86a44c1b1d05e8cc047e697acc8dd7e5d80bbc:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/givaro
 * [new ref]         ff86a44c1b1d05e8cc047e697acc8dd7e5d80bbc -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at ff86a44 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild