Sets up the Nix environment for a non-NixOS Fish shell.
Beyond just setting up
$PATH and the various
$NIX_* environment variables, this also sets up
$fish_complete_path to include any Nix-installed Fish functions/completions, and sources any Nix-installed Fish
Any Fish package manager should be able to install this.
fisher install lilyball/nix-env.fish
You can install this manually by copying or symlinking the
conf.d/nix-env.fish file into your