Nix error: bash: line 1: started: command not found

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1 
bash: line 1: started: command not found

While running
nix copy ...
and
nixos-rebuild switch --flake .#laptop --target-host myuser@$myip --build-host localhost --use-remote-sudo

The nix copy has a workaround with:

nix run nixpkgs#nixVersions.nix_2_14 -- copy ...

but I can’t run nixos-rebuild on that new system.

Can you run any of these commands on an updated(nixos-unstable) system without the error?

2

Am I the only one that sees this error?

3

Are you able to use nix copy to a different machine ?
I always get this error, unless I use an old version of nix.

4

Found the culprit:

  base = home: user: {
    programs.ssh = {
      enable = true;
      # package = pkgs.symlinkJoin {
      #   name = "ssh";
      #   paths = [
      #    (pkgs.writeShellScriptBin "ssh" ''
      #      export TERM=xterm-256color
      #      ${pkgs.openssh}/bin/ssh $@
      #    '')
      #    pkgs.openssh
      #  ];
  };