$ git clone -n https://src.fedoraproject.org/rpms/nss.git /var/lib/mock/f33-build-385606-62177/root/chroot_tmpdir/scmroot/nss
Cloning into '/var/lib/mock/f33-build-385606-62177/root/chroot_tmpdir/scmroot/nss'...
$ git reset --hard 0d67947dcfdb89ec9602d5b715f7221a02d10eb0
HEAD is now at 0d67947 - Back out strict SHA-1 signature control because firefox   Addon system is still using sha-1 signatures