$ git clone -n https://src.fedoraproject.org/rpms/texlive-collection-binextra.git /var/lib/mock/f45-build-36959-709/root/chroot_tmpdir/scmroot/texlive-collection-binextra
Cloning into '/var/lib/mock/f45-build-36959-709/root/chroot_tmpdir/scmroot/texlive-collection-binextra'...
$ git fetch origin 799b91dc56eb961b17d4cc75ed3628d3714542ba:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/texlive-collection-binextra
 * [new ref]         799b91dc56eb961b17d4cc75ed3628d3714542ba -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 799b91d Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild