flake.nix


1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144

{
  description = "A NixOS Configuration";

  inputs = {};

  outputs = {self, ...}: let
    raw_sources = import ./unflake.nix;

    system = "x86_64-linux";

    # Filter out the nixpkgs's from the sources, so we always use the `packageSets`.
    sources = builtins.removeAttrs raw_sources ["nixpkgs-stable" "nixpkgs-unstable" "library"];

    packageSets = rec {
      stable = raw_sources.nixpkgs-stable.legacyPackages.${system};
      unstable = raw_sources.nixpkgs-unstable.legacyPackages.${system};

      in_tree = import ./pkgs {
        unstable_pkgs = unstable;
        stable_pkgs = stable;
        inherit extra_lib;
      };
    };
    lib = packageSets.unstable.lib;
    extra_lib = raw_sources.library.nixLib;

    extra_modules = {
      nixos = {
        agenix = sources.agenix.nixosModules.default;
        turtle = sources.turtle.nixosModules.nixos;
        disko = sources.disko.nixosModules.default;
        impermanence = sources.impermanence.nixosModules.impermanence;
        simple-nixos-mailserver = sources.simple-nixos-mailserver.nixosModule;
        rocie = sources.rocie.nixosModules.default;
        home-manager = sources.home-manager.nixosModules.home-manager;
        lanzaboote = sources.lanzaboote.nixosModules.lanzaboote;
      };
      home = {
        nix-index-database = sources.nix-index-database.homeModules.nix-index;
        nixvim = sources.nixvim.homeManagerModule;
      };
    };
    module_args = {
      inherit
        sources
        # extra package sources
        openPRsNixpkgs
        packageSets
        # extra information
        system
        ;
    };
    special_args = {
      inherit
        self
        # Needs to be a special argument, because it is used for determining the `imports`
        # value (via `mkByName`).
        extra_lib
        extra_modules
        ;
    };

    openPRsNixpkgs = {};

    treefmtEval = import ./treefmt.nix {
      inherit (sources) treefmt-nix;
      pkgs = packageSets.unstable;
    };

    hosts = import ./hosts {
      inherit
        self
        extra_lib
        module_args
        special_args
        system
        ;
      inherit
        (raw_sources)
        nixpkgs-unstable
        nixpkgs-stable
        deploy-rs
        ;
    };

    deployChecks = builtins.mapAttrs (system: deployLib: deployLib.deployChecks self.deploy) sources.deploy-rs.lib;
    tests = lib.attrsets.filterAttrs (_: v: !(v ? meta && v.meta.broken)) (import ./tests
      {
        inherit sources packageSets module_args special_args extra_lib;
      });
    # myPkgsFlat =
    #   builtins.listToAttrs
    #   # Filter out the `override` and `overrideDerivation` functions
    #   (builtins.filter
    #     ({ name, value, }: lib.attrsets.isDerivation value)
    #     (lib.lists.flatten
    #       (lib.attrsets.mapAttrsToList
    #         (name: value:
    #           if lib.attrsets.isDerivation value then
    #             [ { inherit name value; } ]
    #           else
    #             lib.attrsets.mapAttrsToList
    #               (name: value: { inherit name value; })
    #             value
    #         )
    #         packageSets.in_tree
    #       )
    #     )
    #   );
  in {
    checks."${system}" =
      extra_lib.warnMerge
      deployChecks."${system}"
      (extra_lib.warnMerge
        tests
        {formatting = treefmtEval.config.build.check self;}
        "the flake checks and formatting")
      "the flake checks and deploy rs checks";

    legacyPackages."${system}" = packageSets.unstable;

    packages."${system}" = packageSets.in_tree;

    formatter."${system}" = treefmtEval.config.build.wrapper;

    devShells."${system}" = {
      default = packageSets.unstable.mkShell {
        packages = [
          packageSets.unstable.deploy-rs

          # Used to update the stalwart-mail spamfilter
          packageSets.unstable.nix-update

          (sources.agenix.packages."${system}".default.override {
            nix = packageSets.unstable.lixPackageSets.latest.lix;
          })
        ];
      };
    };

    deploy.nodes = hosts.nodes;
    inherit (hosts) nixosConfigurations;
  };
}