$ git clone -n https://src.fedoraproject.org/rpms/R-png.git /var/lib/mock/f38-build-721866-98655/root/chroot_tmpdir/scmroot/R-png Cloning into '/var/lib/mock/f38-build-721866-98655/root/chroot_tmpdir/scmroot/R-png'... error: RPC failed; curl 16 Error in the HTTP2 framing layer fatal: the remote end hung up unexpectedly