107 lines
3 KiB
Nix
107 lines
3 KiB
Nix
{
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description = "Nix User Repository";
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inputs = {
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nixpkgs.url = "github:nixos/nixpkgs?ref=nixos-unstable";
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flake-parts = {
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url = "github:hercules-ci/flake-parts";
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inputs.nixpkgs-lib.follows = "nixpkgs";
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};
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};
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outputs =
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inputs@{ flake-parts, nixpkgs, ... }:
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let
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inherit (nixpkgs) lib;
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manifest = (builtins.fromJSON (builtins.readFile ./repos.json)).repos;
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overlay = final: prev: {
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nur = import ./default.nix {
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nurpkgs = prev;
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pkgs = prev;
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};
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};
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lockedRevisions = (builtins.fromJSON (builtins.readFile ./repos.json.lock)).repos;
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repoSource =
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name: attr:
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import ./lib/repoSource.nix {
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inherit
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name
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attr
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manifest
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lockedRevisions
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lib
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;
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fetchgit = builtins.fetchGit or lib.id;
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fetchzip = builtins.fetchTarball or lib.id;
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};
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# Lazily evaluate each repo with pkgs = null; the result is only forced
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# when a specific repo's attribute is accessed.
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repos = lib.mapAttrs (
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name: attr:
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import ./lib/evalRepo.nix {
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inherit name lib;
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inherit (attr) url;
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src = repoSource name attr + ("/" + (attr.file or ""));
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pkgs = null;
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}
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) manifest;
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in
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flake-parts.lib.mkFlake { inherit inputs; } {
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systems = builtins.filter (
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system: builtins.hasAttr system nixpkgs.legacyPackages
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) nixpkgs.lib.platforms.all;
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flake = {
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overlays = {
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default = overlay;
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};
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modules = lib.genAttrs [ "nixos" "homeManager" "darwin" ] (_: {
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default = {
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nixpkgs.overlays = [ overlay ];
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};
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});
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repos = lib.mapAttrs (
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name: _:
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let
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r = repos.${name};
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in
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{
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modules = {
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nixos = r.nixosModules or r.modules or { };
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homeManager = r.homeModules or { };
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darwin = r.darwinModules or { };
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flake = r.flakeModules or { };
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};
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overlays = r.overlays or { };
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}
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) manifest;
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};
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imports = [
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inputs.flake-parts.flakeModules.modules
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];
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perSystem =
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{ pkgs, ... }:
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{
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formatter = pkgs.treefmt.withConfig {
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runtimeInputs = with pkgs; [
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nixfmt-rfc-style
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];
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settings = {
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on-unmatched = "info";
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tree-root-file = "flake.nix";
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formatter = {
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nixfmt = {
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command = "nixfmt";
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includes = [ "*.nix" ];
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};
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};
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};
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};
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# legacyPackages is used because nur is a package set
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# This trick with the overlay is used because it allows NUR packages to depend on other NUR packages
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legacyPackages = (pkgs.extend overlay).nur;
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};
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};
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}
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