$ git clone -n https://src.fedoraproject.org/rpms/texlive-collection-fontsextra.git /var/lib/mock/f45-build-38677-727/root/chroot_tmpdir/scmroot/texlive-collection-fontsextra
Cloning into '/var/lib/mock/f45-build-38677-727/root/chroot_tmpdir/scmroot/texlive-collection-fontsextra'...
$ git fetch origin adac0ad0319868b3e6e1729b13b7d0056435a324:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/texlive-collection-fontsextra
 * [new ref]         adac0ad0319868b3e6e1729b13b7d0056435a324 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at adac0ad Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild