$ git clone -n https://src.fedoraproject.org/rpms/nfoview.git /var/lib/mock/f45-build-19634-553/root/chroot_tmpdir/scmroot/nfoview
Cloning into '/var/lib/mock/f45-build-19634-553/root/chroot_tmpdir/scmroot/nfoview'...
$ git fetch origin 5769e735c5e3dea0c452882495342c6d7488c5e9:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/nfoview
 * [new ref]         5769e735c5e3dea0c452882495342c6d7488c5e9 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 5769e73 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild