$ git clone -n https://src.fedoraproject.org/rpms/nng.git /var/lib/mock/f31-build-63457-29365/root/chroot_tmpdir/scmroot/nng
Cloning into '/var/lib/mock/f31-build-63457-29365/root/chroot_tmpdir/scmroot/nng'...
$ git reset --hard defc959c91c40267f652cad44c27ccfa89a0d321
HEAD is now at defc959 - Rebuilt for https://fedoraproject.org/wiki/Fedora_31_Mass_Rebuild