$ git clone -n https://src.fedoraproject.org/rpms/alt-ergo.git /var/lib/mock/f31-build-101978-33463/root/chroot_tmpdir/scmroot/alt-ergo
Cloning into '/var/lib/mock/f31-build-101978-33463/root/chroot_tmpdir/scmroot/alt-ergo'...
$ git reset --hard 004cf953dfdaf2aad39b94581beaa221db0959be
HEAD is now at 004cf95 OCaml 4.08.1 (rc2) rebuild.