$ git clone -n https://src.fedoraproject.org/rpms/RBTools.git /var/lib/mock/f39-build-1665567-40749/root/chroot_tmpdir/scmroot/RBTools
Cloning into '/var/lib/mock/f39-build-1665567-40749/root/chroot_tmpdir/scmroot/RBTools'...
error: RPC failed; curl 56 Recv failure: Connection reset by peer
fetch-pack: unexpected disconnect while reading sideband packet
fatal: early EOF
fatal: fetch-pack: invalid index-pack output