dotfiles/flake.nix

323 lines
12 KiB
Nix

{
inputs = {
# Principle inputs (updated by `nix run .#update`)
nixpkgs.url = "github:nixos/nixpkgs/nixos-unstable";
nix-darwin.url = "github:lnl7/nix-darwin/master";
nix-darwin.inputs.nixpkgs.follows = "nixpkgs";
home-manager.url = "github:nix-community/home-manager";
home-manager.inputs.nixpkgs.follows = "nixpkgs";
flake-parts.url = "github:hercules-ci/flake-parts";
nixos-flake.url = "github:srid/nixos-flake";
# Neovim
nixvim = {
url = "github:nix-community/nixvim";
# nixvim has a lot of inputs we are using, so pin them to same version
inputs = {
nixpkgs.follows = "nixpkgs";
nix-darwin.follows = "nix-darwin";
home-manager.follows = "home-manager";
flake-parts.follows = "flake-parts";
treefmt-nix.follows = "treefmt-nix";
};
};
nix-index-database.url = "github:nix-community/nix-index-database";
nix-index-database.inputs.nixpkgs.follows = "nixpkgs";
treefmt-nix.url = "github:numtide/treefmt-nix";
treefmt-nix.inputs.nixpkgs.follows = "nixpkgs";
};
outputs = inputs@{ self, ... }:
inputs.flake-parts.lib.mkFlake { inherit inputs; }
(
let
myUsername = "bjeanes";
in
{
systems = [ "x86_64-linux" "aarch64-linux" "aarch64-darwin" ];
imports = [
inputs.nixos-flake.flakeModule
inputs.treefmt-nix.flakeModule
];
# flake-parts will export this wholesale as the flakes' `outputs`, with no per-system transposition. See `perSystem` below for this.
flake = {
# Configurations for Linux (NixOS) machines
nixosConfigurations = { };
# Configurations for macOS machines
darwinConfigurations = {
# Personal M1 Max MBP
Bandersnatch = self.nixos-flake.lib.mkMacosSystem {
nixpkgs.hostPlatform = "aarch64-darwin";
imports = [
self.nixosModules.common # See below for "nixosModules"!
self.nixosModules.darwin
# Your machine's configuration.nix goes here
({ pkgs, ... }: {
# Used for backwards compatibility, please read the changelog before changing.
# $ darwin-rebuild changelog
system.stateVersion = 4;
})
# Your home-manager configuration
self.darwinModules_.home-manager
{
home-manager.users.${myUsername} = {
imports = [
self.homeModules.common # See below for "homeModules"!
self.homeModules.darwin
];
home.stateVersion = "24.05";
};
}
];
};
};
# All nixos/nix-darwin configurations are kept here.
nixosModules = {
# Common nixos/nix-darwin configuration shared between Linux and macOS.
common = { pkgs, ... }:
{
home-manager.backupFileExtension = "bak-hm";
home-manager.useUserPackages = true;
# home-manager.verbose = true;
nixpkgs.config.allowUnfree = true;
environment.variables = { };
environment.systemPackages = with pkgs; [
git
bat
];
};
# NixOS specific configuration
linux = { pkgs, ... }: {
imports = [
inputs.nixvim.nixosModules.nixvim
];
users.users.${myUsername}.isNormalUser = true;
};
# nix-darwin specific configuration
darwin = { pkgs, ... }: {
imports = [
inputs.nixvim.nixDarwinModules.nixvim
];
nix = {
useDaemon = true;
## Control the version of Nix that nix-darwin uses. At time of writing, it defaults to 2.18.x, but latest is 2.23.3.
## Commented out because versions after 2.18.x are apparently pretty buggy
# package = pkgs.nixVersions.latest;
# Use Lix (a Nix-compatible lang -- https://lix.systems)
package = pkgs.lix;
settings = {
trusted-users = [ "root" myUsername ];
allowed-users = [ "root" myUsername "@nixbld" ];
};
extraOptions = ''
extra-nix-path = "nixpkgs=flake:nixpkgs"
experimental-features = nix-command flakes
'';
};
homebrew.enable = true;
# This needs to be here in addition to the home-manager configuration below in order to write /etc/zshenv to correctly configure ZSH. This is confusing, but...
# https://github.com/LnL7/nix-darwin/issues/1003
# https://github.com/LnL7/nix-darwin/issues/922#issuecomment-2041430035
programs.zsh.enable = true;
programs.bash.enable = true;
security.pam.enableSudoTouchIdAuth = true;
users.users.${myUsername}.home = "/Users/${myUsername}";
};
};
# All home-manager configurations are kept here; they are evaluated in the context of the user's home-manager profile.
# i.e. `foo = true` is equivalent to `home-manager.users.bjeanes.foo = true`.
homeModules = {
# Common home-manager configuration shared between Linux and macOS.
common = { pkgs, ... }:
{
imports = [
inputs.nixvim.homeManagerModules.nixvim
];
home.shellAliases = {
g = "git";
l = "ls";
ll = "ls -la";
arst = "asdf"; # Colemak home row
cat = "bat";
};
programs.nixvim = {
enable = true;
defaultEditor = true;
viAlias = true;
vimAlias = true;
};
programs.git = {
enable = true;
aliases = {
br = "branch";
c = "commit -v";
co = "checkout";
commit = "commit -v";
lg = "log --decorate --graph --pretty=format:'%Cred%h%Creset -%C(yellow)%d%Creset %s %Cgreen(%cr)%Creset' --abbrev-commit --date=relative";
st = "status";
unadd = "reset HEAD";
me = "!sh -c 'echo `git config user.name` \\<`git config user.email`\\>'";
mine = "!sh -c 'git lg --author=\"`git me`\"'";
};
extraConfig = {
apply.whitespace = "fix";
color = {
ui = "auto";
branch = "auto";
diff = "auto";
status = "auto";
};
branch = {
autosetupmerge = "always";
autosetuprebase = "local";
};
pull.rebase = true;
push.default = "current";
remote.pushDefault = "origin";
status = {
short = true;
branch = true;
showUntrackedFiles = "all";
};
};
ignores = [
"*.swp"
];
};
# difftastic will show syntactical/structural changes in diffs
# programs.git.difftastic.enable = true;
# delta will show diffs with language-aware syntax highlighting
programs.git.delta.enable = true;
programs.git.delta.package = pkgs.delta;
programs.bash.initExtra = /* bash */ ''
eval "$(${pkgs.delta}/bin/delta --generate-completion bash)"
'';
programs.zsh.initExtra = /* zsh */ ''
eval "$(${pkgs.delta}/bin/delta --generate-completion zsh)"
'';
programs.lazygit.enable = true;
programs.lazygit.settings = {
# lazygit can pull the pager out of Git's config, but `programs.git.delta.enable = true` sets
# the pager to `delta` directly, wheras `lazygit` requires `delta` to be called with
# `--paging=never` due to rendering issues.
#
# https://github.com/jesseduffield/lazygit/blob/master/docs/Custom_Pagers.md
git.paging.pager = "${pkgs.delta}/bin/delta --paging=never";
update.method = "never"; # we will manage it here
disableStartupPopups = true;
os.editPreset = "nvim";
};
programs.zsh = {
enable = true;
enableCompletion = true;
autocd = true;
syntaxHighlighting.enable = true;
autosuggestion.enable = true;
};
programs.bash = {
enable = true;
enableCompletion = true;
enableVteIntegration = true;
};
programs.starship.enable = true;
programs.direnv.enable = true;
programs.direnv.enableZshIntegration = true;
programs.direnv.enableBashIntegration = true;
programs.direnv.nix-direnv.enable = true;
programs.bat.enable = true;
programs.bat.config = {
map-syntax = [
"flake.lock:JSON"
];
};
programs.fzf.enable = true;
programs.fzf.enableZshIntegration = true;
programs.fzf.enableBashIntegration = true;
programs.fzf.fileWidgetOptions = [
"--preview '${pkgs.bat}/bin/bat --color=always --style=numbers --line-range :500 {}'"
];
home.packages = with pkgs; [
asdf
];
};
# home-manager config specific to Linux / NixOS
linux = { };
# home-manager config specific to Darwin
darwin = {
# Yank/paste in Neovim to/from macOS clipboard by default
programs.nixvim.clipboard.register = "unnamedplus";
};
};
};
perSystem = { self', inputs', pkgs, system, config, ... }: {
# Non-NixOS Linux machine TumTum
legacyPackages.homeConfigurations."${myUsername}@tumtum" =
self.nixos-flake.lib.mkHomeConfiguration pkgs {
imports = [
self.homeModules.common
self.homeModules.linux
];
};
# Make `nix run` equivalent to `nix run .#activate`
packages.default = self'.packages.activate;
treefmt.config = {
projectRootFile = "flake.lock";
programs.nixpkgs-fmt.enable = true;
};
};
}
);
}