$ git clone -n https://src.fedoraproject.org/rpms/gnome-font-viewer.git /var/lib/mock/f31-build-64831-29607/root/chroot_tmpdir/scmroot/gnome-font-viewer
Cloning into '/var/lib/mock/f31-build-64831-29607/root/chroot_tmpdir/scmroot/gnome-font-viewer'...
$ git reset --hard c1edade42b42f89f11549f3e277558b224a8956a
HEAD is now at c1edade - Rebuilt for https://fedoraproject.org/wiki/Fedora_31_Mass_Rebuild