WIP
Run nix packages on remote machine, which has no nix installed
It works by copying package closure to remote machine, replacing nix prefix from /nix/store to /tmp/nixrm, and then launching it here over ssh
Because it works by replacing prefix in compiled binaries, no rebuilds are required, and most of the time everything works fine.
For example, to start neovim on ssh machine neptune:
nix-remote nixpkgs#neovim neptune -c nvim