summaryrefslogtreecommitdiff
path: root/Biz/Bild.nix
blob: 9647983c33788c78b6c8269a3b3d682abc4bc27d (plain)
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
145
146
147
148
149
150
151
152
153
154
155
{ nixpkgs ? import ./Bild/Nixpkgs.nix }:

let
  constants = import ./Bild/Constants.nix;
  lib = nixpkgs.lib;
# put all of our stuff in the 'bild' namespace
in nixpkgs // { bild = rec {
  # provided by .envrc
  root = builtins.getEnv "CODEROOT";

  inherit (nixpkgs) sources;

  haskell = rec {
    inherit (constants) ghcCompiler;

    # all available packages
    deps = import ./Bild/Deps/Haskell.nix;
    packages = lib.attrsets.getAttrs deps nixpkgs.haskellPackages;

    # make a ghc with dependencies
    ghcWith = nixpkgs.haskell.packages.${ghcCompiler}.ghcWithHoogle;

    # ghc with all packages, used for generating bild's package database
    ghcPackageSetFull = ghcWith (p: lib.attrsets.attrVals deps p);

    # bild's dependencies, needs to be hand-written
    ghcPackageSetBild = ghcWith (hpkgs: with hpkgs; [
      aeson async base bytestring conduit conduit-extra containers directory
      docopt filepath process protolude rainbow regex-applicative split tasty
      tasty-hunit tasty-quickcheck text hostname
      wai # can remove when removed from Biz.Log
    ]);
  };

  lisp = {
    sbclWith = nixpkgs.lispPackages_new.sbclWithPackages;
  };

  python = {
    packages = nixpkgs.python3Packages;
    pythonWith = nixpkgs.python3.withPackages;
    buildPythonApplication = nixpkgs.python3.pkgs.buildPythonApplication;
  };

  # c packages are just nixpkgs, filtered to just the list of deps i want
  c.packages = lib.attrsets.getAttrs (import ./Bild/Deps/C.nix) nixpkgs.pkgs;

  # expose some packages for inclusion in os/image builds
  pkgs = with nixpkgs.pkgs; {
    inherit
      black
      deadnix
      git
      hlint
      indent
      ormolu
      ruff
      shellcheck
    ;
  };

  # a standard nix build for bild, for bootstrapping. this should be the only
  # hand-written builder we need
  bild = nixpkgs.stdenv.mkDerivation {
    name = "bild";
    src = ../.;
    nativeBuildInputs = [ haskell.ghcPackageSetBild ];
    buildInputs = [ nixpkgs.makeWrapper ];
    propagatedBuildInputs = with nixpkgs; [
      pkg-config
      git
      # this is just to get access to ghc-pkg in bild
      (haskell.ghcWith (_: []))

      # lisp deps, remove this when i implement nix builds for lisp
      guile
      (lisp.sbclWith (p: with p; [asdf alexandria])) # just enough to build Example.lisp
    ];
    strictDeps = true;
    buildPhase = ''
      mkdir -p $out/bin $out/lib/ghc-${haskell.ghcPackageSetFull.version}
      cp -r \
        ${haskell.ghcPackageSetFull}/lib/ghc-${haskell.ghcPackageSetFull.version}/package.conf.d \
        $out/lib/ghc-${haskell.ghcPackageSetFull.version}
      ghc \
        -threaded \
        -Werror \
        -i. \
        --make Biz/Bild.hs \
        -main-is Biz.Bild \
        -o $out/bin/bild
    '';
    installPhase = ''
      wrapProgram $out/bin/bild \
        --prefix PATH : ${lib.makeBinPath [ haskell.ghcPackageSetBild pkgs.git ]} \
        --set GHC_PACKAGE_PATH \
        $out/lib/ghc-${haskell.ghcPackageSetFull.version}/package.conf.d
    '';
  };

  # wrapper around bild
  runBildAnalyze = target: nixpkgs.stdenv.mkDerivation rec {
    name = "bild-analysis";
    src = ../.;
    USER = "nixbld";
    HOSTNAME = "nix-sandbox";
    # this is the default sandbox path where bild will be working:
    CODEROOT = "/build/omni";
    # we need to remove the $src root because bild expects paths relative to the
    # working directory:
    TARGET = "." + lib.strings.removePrefix (toString src) (toString target);
    buildPhase = ''
      mkdir $out
      ${bild}/bin/bild --json "$TARGET" 1> $out/analysis.json \
        2> >(tee -a $out/stderr >&2)
    '';
    installPhase = "exit 0";
  };

  # gather data needed for compiling by analyzing the main module. returns the
  # json object of the build
  analyze = target: builtins.readFile (runBildAnalyze target + "/analysis.json");

  # this does a bild build for the given target, but entirely in nix. its kinda
  # like IFD, but not as costly, i think
  run = target: import ./Bild/Builder.nix { analysisJSON = analyze target; };

  # the main development environment
  env = nixpkgs.pkgs.mkShell {
    name = "bizdev";
    # this should just be dev tools
    buildInputs = with nixpkgs.pkgs; [
      bild
      black
      ctags
      figlet
      git
      gitlint
      lolcat
      nixpkgs.haskell.packages.${constants.ghcCompiler}.fast-tags
      ormolu
      wemux
    ];
    shellHook = ''
      export GHC_PACKAGE_PATH=${bild}/lib/ghc-${haskell.ghcPackageSetFull.version}/package.conf.d
    '';
  };

  # build an operating system. 'cfg' is the NixOS config
  os = cfg: (nixpkgs.nixos (_args: cfg)).toplevel;

  # build a docker image
  image = nixpkgs.pkgs.dockerTools.buildImage;
};
}