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|
{ nixpkgs ? import ./Bild/Nixpkgs.nix }:
let
inherit (nixpkgs) lib stdenv;
ghcCompiler = "ghc884";
ghcjsCompiler = "ghcjs86";
# provided by .envrc
root = builtins.getEnv "BIZ_ROOT";
# general functions to put in a lib
lines = s: lib.pipe s [
(builtins.split "\n")
(builtins.filter (x: builtins.typeOf x == "string"))
];
removeNull = ls: builtins.filter (x: x != null) ls;
selectAttrs = deps: packageSet:
lib.attrsets.attrVals deps packageSet;
# returns true if a is a subset of b, where a and b are attrsets
subset = a: b: builtins.all
(x: builtins.elem x b) a;
haskellDeps = hpkgs: import ./Bild/Deps/Haskell.nix hpkgs;
mkGhcPackageSet = nixpkgs.haskell.packages.${ghcCompiler}.ghcWithHoogle;
#mkGhcjsPackageSet = nixpkgs.haskell.packages.${ghcjsCompiler}.ghcWithPackages;
in rec {
# gather data needed for compiling by analyzing the main module
analyze = main: rec {
# path to the module relative to the git root
relpath = builtins.replaceStrings ["${root}/"] [""]
(builtins.toString main);
# Haskell-appropriate name of the module
module = builtins.replaceStrings ["/" ".hs"] ["." ""] relpath;
# file contents
content = builtins.readFile main;
# search for the ': out' declaration
out = lib.pipe content [
lines
(map (builtins.match "^-- : out ([[:alnum:]._-]*)$"))
removeNull
lib.lists.flatten
builtins.head
];
# collect all of the ': dep' declarations
deps = lib.pipe content [
lines
(map (builtins.match "^-- : dep ([[:alnum:]._-]*)$"))
removeNull
lib.lists.flatten
];
# collect ': sys' declarations
sysdeps = lib.pipe content [
lines
(map (builtins.match "^-- : sys ([[:alnum:]._-]*)$"))
removeNull
lib.lists.flatten
];
};
ghcPackageSetFull = mkGhcPackageSet haskellDeps;
ghc = main:
let
data = analyze main;
ghc = mkGhcPackageSet (hp: selectAttrs data.deps hp);
in stdenv.mkDerivation {
name = data.module;
src = ../.;
nativeBuildInputs = [ ghc ] ++ selectAttrs data.sysdeps nixpkgs.pkgs;
strictDeps = true;
buildPhase = ''
mkdir -p $out/bin
# compile with ghc
${ghc}/bin/ghc \
-Werror \
-i. \
--make ${main} \
-main-is ${data.module} \
-o $out/bin/${data.out}
'';
# the install process was handled above
installPhase = "exit 0";
} // { env = ghc; };
#ghcjs = main:
# let
# data = analyze main;
# ghcjs = mkGhcjsPackageSet (hp: selectAttrs data.deps hp);
# in stdenv.mkDerivation {
# name = data.module;
# src = ../.;
# nativeBuildInputs = [ ghcjs ];
# strictDeps = true;
# buildPhase = ''
# mkdir -p $out/static
# # compile with ghcjs
# ${ghcjs}/bin/ghcjs \
# -Werror \
# -i. \
# --make ${main} \
# -main-is ${data.module} \
# -o ${data.out}
# # optimize js output
# ${nixpkgs.pkgs.closurecompiler}/bin/closure-compiler \
# ${data.out}/all.js > $out/static/${data.out}
# '';
# installPhase = "exit 0";
# } // { env = ghcjs; };
env = pkgs.mkShell {
name = "bizdev";
buildInputs = with nixpkgs.pkgs; [
# haskell deps
(mkGhcPackageSet haskellDeps)
# ghcjs doesn't need everything, and many things fail to build
#(mkGhcjsPackageSet (hp: with hp; [
# aeson
# clay
# containers
# miso
# protolude
# servant
# split
# text
# ghcjs-base
#]))
# python deps
(python38.withPackages (p:
[ p.black p.pylint ]))
# tools
haskell.packages.${ghcCompiler}.apply-refact
cmark
figlet
haskell.packages.${ghcCompiler}.fast-tags
hlint
lolcat
niv.niv
nixops
ormolu
python37Packages.black
python37Packages.pylint
shellcheck
wemux
gmnisrv
gmni
] ++ lib.optional nixpkgs.stdenv.isLinux [
# scheme deps (i think these are broken on macOS)
guile
inspekt3d
libfive
ccze
];
shellHook = ". ${./Bild/ShellHook.sh}";
};
os = cfg: (nixpkgs.nixos (args: cfg)).toplevel;
sources = nixpkgs.sources;
pkgs = nixpkgs.pkgs;
}
|
