$ git clone -n https://src.fedoraproject.org/rpms/gfs-didot-classic-fonts.git /var/lib/mock/f45-build-9806-409/root/chroot_tmpdir/scmroot/gfs-didot-classic-fonts
Cloning into '/var/lib/mock/f45-build-9806-409/root/chroot_tmpdir/scmroot/gfs-didot-classic-fonts'...
$ git fetch origin baf82c0ebd21dec0ae1c9d13aecba39d69235c3b:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/gfs-didot-classic-fonts
 * [new ref]         baf82c0ebd21dec0ae1c9d13aecba39d69235c3b -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at baf82c0 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild