purescript-unlift/flake.nix
2022-03-15 12:31:10 -06:00

178 lines
5.5 KiB
Nix

{
description = "MonadBase, MonadUnlift, MonadUnliftEffect, and MonadUnliftAff";
inputs = {
flake-utils.url = "github:numtide/flake-utils";
nixpkgs.url = "github:NixOS/nixpkgs/nixpkgs-unstable";
pre-commit-hooks = {
url = "github:cachix/pre-commit-hooks.nix";
inputs.nixpkgs.follows = "nixpkgs";
};
easy-purescript-nix = {
url = "github:justinwoo/easy-purescript-nix";
flake = false;
};
rnix-lsp = {
url = "github:nix-community/rnix-lsp";
inputs.nixpkgs.follows = "nixpkgs";
};
gitignore = {
url = "github:hercules-ci/gitignore.nix";
inputs.nixpkgs.follows = "nixpkgs";
};
};
outputs = { self, nixpkgs, pre-commit-hooks, flake-utils, easy-purescript-nix, rnix-lsp, gitignore }:
flake-utils.lib.eachDefaultSystem
(system:
let
pkgs = import nixpkgs { inherit system; };
easy-ps = import easy-purescript-nix { inherit pkgs; };
spagoPkgs = import ./spago-packages.nix { inherit pkgs; };
inherit (gitignore.lib) gitignoreSource;
inherit (easy-ps) dhall-simple purs-tidy spago psa purs;
inherit (pkgs) git writeShellScriptBin nodePackages mkShell nodejs nixpkgs-fmt;
inherit (nodePackages) bower prettier;
inherit (builtins) concatStringsSep;
src = gitignoreSource ./.;
writeShellScriptBinInRepoRoot = name: script: writeShellScriptBin name ''
cd `${git}/bin/git rev-parse --show-toplevel`
${script}
'';
extensionsToRegex = extensions: "\\.(${concatStringsSep "|" extensions})";
formatter = name: cmd: extensions: ''
echo formatting with ${name}
${git}/bin/git ls-files | grep -E '${extensionsToRegex extensions}' | xargs -d $'\\n' ${cmd}
'';
dhall-batch = writeShellScriptBin "dhall" ''
for f in "$@"; do ${dhall-simple}/bin/dhall format --inplace $f; done
'';
purs-tidy-hook = {
enable = true;
name = "purs-tidy";
entry = "${purs-tidy}/bin/purs-tidy format-in-place";
files = "\\.purs$";
language = "system";
};
dhall-hook = {
enable = true;
name = "dhall";
entry = "${dhall-batch}/bin/dhall";
files = "\\.dhall$";
language = "system";
};
prettier-hook = {
enable = true;
types_or = [ "javascript" "css" "html" ];
};
pre-commit-check = pre-commit-hooks.lib.${system}.run {
inherit src;
hooks = {
nixpkgs-fmt = {
enable = true;
excludes = [ ".*spago-packages.nix$" ];
};
prettier = prettier-hook;
inherit purs-tidy-hook dhall-hook;
};
};
clean = writeShellScriptBinInRepoRoot "clean" ''
echo cleaning project...
rm -rf .spago .spago2nix output .psa-stash
echo removed .spago
echo removed .spago2nix
echo removed .psa-stash
echo removed output
echo done.
'';
psa-args = "--strict --stash --censor-lib";
runSpago = cmd: ''
${spago}/bin/spago ${cmd} --purs-args "${psa-args} --stash"
'';
getGlob = { name, version, ... }: ''".spago/${name}/${version}/src/**/*.purs"'';
spagoSources =
builtins.toString
(builtins.map getGlob (builtins.attrValues spagoPkgs.inputs));
build = writeShellScriptBin "build" (runSpago "build");
test = writeShellScriptBin "test" (runSpago "test");
clean-build = writeShellScriptBin "clean-build" ''
${clean}/bin/clean
${build}/bin/build
'';
format = writeShellScriptBin "format" ''
set -e
${formatter "purs-tidy" "${purs-tidy}/bin/purs-tidy format-in-place" ["purs"]}
${formatter "dhall" "${dhall-batch}/bin/dhall" ["dhall"]}
${formatter "prettier" "${prettier}/bin/prettier -w" ["js" "ts" "css" "html"]
}
echo done.
'';
unlift =
pkgs.stdenv.mkDerivation {
name = "purescript-unlift";
buildInputs = [
spagoPkgs.installSpagoStyle
];
nativeBuildInputs = [ psa purs nodejs ];
inherit src;
unpackPhase = ''
cp -r $src .
install-spago-style
'';
buildPhase = ''
set -e
echo building project...
psa compile ${psa-args} ${spagoSources} "./src/**/*.purs"
echo done.
'';
installPhase = ''
mkdir $out
mv output $out/
'';
doCheck = true;
checkPhase = ''
psa compile ${psa-args} ${spagoSources} "./src/**/*.purs" "./test/**/*.purs"
node $src/test.js
'';
};
in
{
defaultPackage = unlift;
devShell = mkShell {
buildInputs = [
build
clean
clean-build
format
nixpkgs-fmt
rnix-lsp.defaultPackage."${system}"
test
prettier
bower
] ++ easy-ps.buildInputs;
inherit (pre-commit-check) shellHook;
};
}
);
}