nixos

common commands:

  # basic flake check
  nix
  flake
  check

  # update flake.lock -> updates all flake inputs (e.g. system update)
  nix
  flake
  update

  # update a single flake input
  nix
  flake
  lock - -update-input mayniklas

  # for dev purposes - overwrite the flake input with a local repository
  nix
  flake
  update - -override-input mayniklas /home/lasse/mayniklas

  # show contents of flake
  nix
  flake
  show

  # show flake info
  nix
  flake
  info

  # build / check config without applying
  nix
  build - v '.#nixosConfigurations.lamabasis.config.system.build.toplevel' 

# switch to new config
nixos-rebuild - -use-remote-sudo switch - -flake.# build flake output
nix build
  build.#bukkit-spigot

  # run flake app
  nix
  run.#bukkit-spigot

  # run flake app externally
  nix
  run 'github:mayniklas/nixos#owncast'

  # run flake app
  nix
  run
  nixpkgs#python39 -- --version  

  # run nix-shell with nodejs-14
  nix-shell - p nodejs-14_x

  # run app in nix-shell
  nix-shell - p nodejs-14_x - -run "node -v"

  # lists all syslinks into the nix store (helpfull for finding old builds that can be deleted)
  nix-store - -gc - -print-roots

  # delete unused elements in nix store
  nix-collect-garbage

  # also delete iterations from boot
  nix-collect-garbage - d

  # use auto formatter on flake.nix
  nix
  fmt
  flake.nix