137 lines
4 KiB
Nix
137 lines
4 KiB
Nix
{ pkgs ? import <nixpkgs> {},
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stdenv ? pkgs.stdenv,
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lib ? pkgs.lib,
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dtools ? pkgs.dtools or pkgs.rdmd,
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dmd ? pkgs.dmd,
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dcompiler ? dmd,
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dub ? pkgs.dub }:
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with stdenv;
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let
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# Filter function to remove the .dub package folder from src
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filterDub = name: type: let baseName = baseNameOf (toString name); in ! (
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type == "directory" && baseName == ".dub"
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);
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# Convert a GIT rev string (tag) to a simple semver version
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rev-to-version = builtins.replaceStrings ["v" "refs/tags/v"] ["" ""];
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dep2src = dubDep: pkgs.fetchgit { inherit (dubDep.fetch) url rev sha256 fetchSubmodules; };
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# Fetch a dependency (source only for now)
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fromDub = dubDep: mkDerivation rec {
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name = "${src.name}-${version}";
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version = rev-to-version dubDep.fetch.rev;
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nativeBuildInputs = [ dcompiler dtools dub ];
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src = dep2src dubDep;
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buildPhase = ''
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runHook preBuild
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export HOME=$PWD
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dub build -b=release
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runHook postBuild
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'';
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# outputs = [ "lib" ];
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# installPhase = ''
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# runHook preInstall
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# mkdir -p $out/bin
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# runHook postInstall
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# '';
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};
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# Adds a local package directory (e.g. a git repository) to Dub
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dub-add-local = dubDep: "dub add-local ${(fromDub dubDep).src.outPath} ${rev-to-version dubDep.fetch.rev}";
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# The target output of the Dub package
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targetOf = package: "${package.targetPath or "."}/${package.targetName or package.name}";
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# Remove reference to build tools and library sources
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disallowedReferences = deps: [ dcompiler dtools dub ] ++ builtins.map dep2src deps;
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removeExpr = refs: ''remove-references-to ${lib.concatMapStrings (ref: " -t ${ref}") refs}'';
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# Like split, but only keep the matches
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matches = regex: str: builtins.filter lib.isList (builtins.split regex str);
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# Very primitive parsing of SDL files, but suffices for name, description, homepage, etc.
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importSDL = path: builtins.foldl' (a: l: a // {"${lib.elemAt l 1}"=lib.elemAt l 2;}) {} (matches "(^|\n)([a-z]+) \"([^\"]+)\"" (builtins.readFile path));
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importPackage = sdl: json: if builtins.pathExists sdl then importSDL sdl else lib.importJSON json;
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in {
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inherit fromDub;
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mkDubDerivation = lib.makeOverridable ({
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src,
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nativeBuildInputs ? [],
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dubJSON ? src + "/dub.json",
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dubSDL ? src + "/dub.sdl",
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buildType ? "release",
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extraDubFlags ? "",
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selections ? src + "/dub.selections.nix",
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deps ? import selections,
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package ? importPackage dubSDL dubJSON,
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passthru ? {},
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...
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} @ attrs: stdenv.mkDerivation ((removeAttrs attrs ["package" "deps" "selections" "dubJSON" "dubSDL"]) // {
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pname = package.name;
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nativeBuildInputs = [ dcompiler dtools dub pkgs.removeReferencesTo ] ++ nativeBuildInputs;
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disallowedReferences = disallowedReferences deps;
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passthru = passthru // {
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inherit dub dcompiler dtools pkgs;
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};
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src = lib.cleanSourceWith {
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filter = filterDub;
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src = lib.cleanSource src;
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};
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preFixup = ''
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find $out/bin -type f -exec ${removeExpr (disallowedReferences deps)} '{}' + || true
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'';
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buildPhase = ''
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runHook preBuild
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export HOME=$PWD
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${lib.concatMapStringsSep "\n" dub-add-local deps}
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dub build -b ${buildType} --combined --skip-registry=all ${extraDubFlags}
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runHook postBuild
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'';
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checkPhase = ''
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runHook preCheck
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export HOME=$PWD
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${lib.concatMapStringsSep "\n" dub-add-local deps}
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dub test --combined --skip-registry=all ${extraDubFlags}
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runHook postCheck
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'';
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installPhase = ''
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runHook preInstall
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mkdir -p $out/bin
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cp -r "${targetOf package}" $out/bin
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runHook postInstall
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'';
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meta = lib.optionalAttrs (package ? description) {
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description = package.description;
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} // lib.optionalAttrs (package ? homepage) {
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homepage = package.homepage;
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} // attrs.meta or {};
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} // lib.optionalAttrs (!(attrs ? version)) {
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# Use name from dub.json, unless pname and version are specified
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name = package.name;
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}));
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}
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