$ git clone -n https://src.fedoraproject.org/rpms/gnome-font-viewer.git /var/lib/mock/f40-build-744730-111801/root/chroot_tmpdir/scmroot/gnome-font-viewer
Cloning into '/var/lib/mock/f40-build-744730-111801/root/chroot_tmpdir/scmroot/gnome-font-viewer'...
$ git reset --hard d93089592c36b7f1adbe2757e2582d8aa2202ae1
HEAD is now at d930895 Update to 45.0