From 828a9394700a5c8591e5f9c8b469d7a116f5b2de Mon Sep 17 00:00:00 2001 From: Timothy DeHerrera Date: Mon, 28 Dec 2020 22:15:10 -0700 Subject: [PATCH] README.md: Add some useful information --- README.md | 96 +++++++++++++++++++++++++++++++++++++++++-------------- 1 file changed, 72 insertions(+), 24 deletions(-) diff --git a/README.md b/README.md index 86e351f..0387f86 100644 --- a/README.md +++ b/README.md @@ -34,18 +34,60 @@ Flakes are still new, so not everything works yet. However, it has been to merged in [nixpkgs][nixpkgs] via [`pkgs.nixFlakes`][nixFlakes]. Thus, this project should be considered _experimental_, until flakes become the default. -Also, flakes are meant to deprecate nix-channels. It's recommend not to install -any. If your really want them, they should work if you hook them into +Also, flakes are meant to deprecate nix-channels. It's recommended not to +install any. If your really want them, they should work if you hook them into `NIX_PATH`. +# Sharing +One of the great benefits of flakes is the ability to easily share your user +defined packages, modules and other nix expressions without having to merge +anything upstream. In that spirit, everything defined in this flake is usable +from other flakes. So even if you don't want to use this project as a template, +you can still pull in any useful modules, packages or profiles defined here. + +From the command line: +```sh +# to see what this flake exports +nix flake show "github:nrdxp/nixflk" + +# run an app +nix run "github:nrdxp/nixflk#someApp" + +# start a dev shell for a given derivation +nix develop "github:nrdxp/nixflk#somePackage" + +# a nix shell with the package in scope +nix shell "github:nrdxp/nixflk#somePackage" +``` + +From within a flake: +```nix +{ + inputs.nixflk.url = "github:nrdxp/nixflk"; + + outputs = { self, nixpkgs, nixflk, ... }: + { + nixosConfigurations.example = nixpkgs.lib.nixosSystem { + # ... + modules = [ + nixflk.nixosModules.someModule + ({ + nixpkgs.overlays = [ nixflk.overlay nixflk.overlays.someOverlay ]; + }) + # ... + ]; + }; + }; +} +``` + # Setup -There are many way to get up and running. You can fork this repo or use it as +There are a few ways to get up and running. You can fork this repo or use it as a template. There is a [bare branch][bare] if you want to start with a -completely empty template and make your own profiles from scratch. - -You'll need to have NixOS already installed since the `nixos-install` script -doesn't yet support flakes. +completely empty template and make your own profiles from scratch. The only +hard requirement is nix itself. The `shell.nix` will pull in everything else. +## Flake Templates If you already have [nix-command][nix-command] setup you can: ```sh # for standard template @@ -55,36 +97,42 @@ nix flake new -t "github:nrdxp/nixflk" flk nix flake new -t "github:nrdxp/nixflk/bare" flk ``` -However you decide to acquire the repo, once you have it, you'll want to __move -or symlink__ it to `/etc/nixos` for ease of use. Once inside: - +## Nix Only +Once you have this repo, you'll want to __move or symlink__ it to `/etc/nixos` +for ease of use. Once inside: ```sh +# This will setup nix-command and pull in the needed tools nix-shell # or `direnv allow` if you prefer -``` -From here it's up to you. You can deploy the barebones [NixOS](./hosts/NixOS.nix) -host and build from there, or you can copy your existing `configuration.nix`. -You'll probably at least need to setup your `fileSystems` and make sure the -[locale](./local/locale.nix) is correct. +# quick way to setup your fileSystems (assuming they are partioned): +sudo mount /dev/ /mnt +nixos-generate-config --root /mnt --show-hardware-config > hosts/yourConfig.nix -Once you're ready to deploy you can use `nixos-rebuild` if your NixOS version -is recent enough to support flakes, _or_ the [shell.nix](./shell.nix) defines -its own `flk` command in case you need it. +# Edit your config to add a bootloader +$EDITOR hosts/yourConfig.nix -```sh -# Usage: flk host {switch|boot|test|iso} -flk test +# The following should work fine for EFI systems. +# boot.loader.systemd-boot.enable = true; +# boot.loader.efi.canTouchEfiVariables = true; + +# Set your locale +$EDITOR local/locale.nix + +# install NixOS to bare metal +flk install yourConfig # deploys hosts/yourConfig.nix + +# if you already have NixOS and just want to deploy your new setup +flk yourConfig switch ``` ## Build an ISO +You can make an ISO and customize it by modifying the [niximg](./hosts/niximg.nix) +file: ```sh flk iso ``` -You can make an ISO and customize it by modifying the [niximg](./hosts/niximg.nix) -file: - ## Use a Package from NUR NUR is wired in from the start. For safety, nothing is added from it by default,