119 lines
3.4 KiB
Nix
119 lines
3.4 KiB
Nix
{
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description = "Template for an Elm app defined by a Nix flake";
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inputs = {
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nixpkgs.url = "github:NixOs/nixpkgs/nixos-22.05";
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utils.url = "github:numtide/flake-utils";
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};
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outputs = { self, nixpkgs, utils }:
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utils.lib.eachDefaultSystem (system:
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let
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pkgs = nixpkgs.legacyPackages.${system};
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debugMode = false;
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# These strings are specified this way so they aren't changed by sed
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# Only the above `debugMode` variable is rewritten
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# TODO: Fix this to be less hacky
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isDebugMode = "debugMode = ${"true"};";
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notDebugMode = "debugMode = ${"false"};";
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scripts = with pkgs; [
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(writeScriptBin "run-static" ''
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nix build
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firefox result/index.html
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'')
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(writeScriptBin "run-live" ''
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pkill elm-live
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elm-live src/Main.elm --open
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'')
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(writeScriptBin "update-deps" ''
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elm2nix convert > nix/elm-srcs.nix
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elm2nix snapshot
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mv registry.dat nix
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'')
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(writeScriptBin "install-elm-dep" ''
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elm install $1
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update-deps
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'')
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# Replace debugMode variable from true to false
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(writeScriptBin "build" ''
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sed -i 's/${isDebugMode}/${notDebugMode}/' flake.nix
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nix build
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'')
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# Replace debugMode variable from false to true
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(writeScriptBin "dev" ''
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sed -i 's/${notDebugMode}/${isDebugMode}/' flake.nix
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nix build
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'')
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];
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in
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{
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packages.elm-nix-template = pkgs.stdenv.mkDerivation {
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name = "elm-nix-template";
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version = "0.1.0";
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src = ./.;
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buildInputs = with pkgs.elmPackages; [
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elm
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pkgs.nodePackages.uglify-js
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];
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configurePhase = pkgs.elmPackages.fetchElmDeps {
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elmVersion = "0.19.1";
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elmPackages = import ./nix/elm-srcs.nix;
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registryDat = ./nix/registry.dat;
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};
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buildPhase =
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if debugMode then ''
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elm make src/Main.elm --debug --output=$out/debug.js
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'' else ''
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elm make src/Main.elm --output=$out/main.js --optimize
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uglifyjs $out/main.js --compress 'pure_funcs="F2,F3,F4,F5,F6,F7,F8,F9,A2,A3,A4,A5,A6,A7,A8,A9",pure_getters,keep_fargs=false,unsafe_comps,unsafe' \
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| uglifyjs --mangle --output $out/main.min.js
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rm $out/main.js
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'';
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installPhase = ''
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mkdir -p $out
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cp public/main.css $out
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${if debugMode then ''
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cp public/index.debug.html $out/index.html
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''
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else ''
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cp public/index.html $out
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''}
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'';
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};
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packages.default = self.packages.${system}.elm-nix-template;
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devShells.default = pkgs.mkShell {
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buildInputs = with pkgs;
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[
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elmPackages.elm
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elmPackages.nodejs
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elmPackages.elm-xref
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elmPackages.elm-test
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elmPackages.elm-live
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elmPackages.elm-json
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elmPackages.elm-review
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elmPackages.elm-format
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elmPackages.elm-upgrade
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elmPackages.elm-analyse
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elmPackages.elm-language-server
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elm2nix
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] ++
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scripts;
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};
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});
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}
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