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-rw-r--r--mkDub.nix125
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diff --git a/mkDub.nix b/mkDub.nix
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+{ pkgs ? import <nixpkgs> {},
+ stdenv ? pkgs.stdenv,
+ rdmd ? pkgs.rdmd,
+ #dmd ? pkgs.dmd,
+ #gcc ? pkgs.gcc,
+ ldc ? pkgs.ldc,
+ dub ? pkgs.dub
+}:
+
+with stdenv;
+let
+ # Filter function to remove the .dub package folder from src
+ filterDub = name: type: let baseName = baseNameOf (toString name); in ! (
+ type == "directory" && baseName == ".dub"
+ );
+
+ # Convert a GIT rev string (tag) to a simple semver version
+ rev-to-version = builtins.replaceStrings ["v" "refs/tags/v"] ["" ""];
+
+ dep2src = dubDep: pkgs.fetchgit { inherit (dubDep.fetch) url rev sha256 fetchSubmodules; };
+
+ # Fetch a dependency (source only for now)
+ fromDub = dubDep: mkDerivation rec {
+ name = "${src.name}-${version}";
+ version = rev-to-version dubDep.fetch.rev;
+ nativeBuildInputs = [ rdmd ldc dub ];
+ src = dep2src dubDep;
+
+ buildPhase = ''
+ runHook preBuild
+ export HOME=$PWD
+ dub build -b=release
+ runHook postBuild
+ '';
+
+ # outputs = [ "lib" ];
+
+ # installPhase = ''
+ # runHook preInstall
+ # mkdir -p $out/bin
+ # runHook postInstall
+ # '';
+ };
+
+ # Adds a local package directory (e.g. a git repository) to Dub
+ dub-add-local = dubDep: "dub add-local ${(fromDub dubDep).src.outPath} ${rev-to-version dubDep.fetch.rev}";
+
+ # The target output of the Dub package
+ targetOf = package: "${package.targetPath or "."}/${package.targetName or package.name}";
+
+ # Remove reference to build tools and library sources
+ disallowedReferences = deps: [ ldc rdmd dub ] ++ builtins.map dep2src deps;
+
+ removeExpr = refs: ''remove-references-to ${lib.concatMapStrings (ref: " -t ${ref}") refs}'';
+
+in {
+ inherit fromDub;
+
+ mkDubDerivation = lib.makeOverridable ({
+ src,
+ nativeBuildInputs ? [],
+ dubJSON ? src + "/dub.json",
+ selections ? src + "/dub.selections.nix",
+ deps ? import selections,
+ passthru ? {},
+ package ? lib.importJSON dubJSON,
+ ...
+ } @ attrs: stdenv.mkDerivation (attrs // {
+
+ pname = package.name;
+
+ nativeBuildInputs = [ rdmd ldc dub pkgs.removeReferencesTo ] ++ nativeBuildInputs;
+ disallowedReferences = disallowedReferences deps;
+
+ passthru = passthru // {
+ inherit dub ldc rdmd pkgs;
+ };
+
+ src = lib.cleanSourceWith {
+ filter = filterDub;
+ src = lib.cleanSource src;
+ };
+
+ preFixup = ''
+ find $out/bin -type f -exec ${removeExpr (disallowedReferences deps)} '{}' + || true
+ '';
+
+ buildPhase = ''
+ runHook preBuild
+
+ export HOME=$PWD
+ ${lib.concatMapStringsSep "\n" dub-add-local deps}
+ dub build --compiler=ldc2 --build=release --combined --skip-registry=all
+ #dub build -b optimize -b inline --combined --skip-registry=all
+
+ runHook postBuild
+ '';
+
+ checkPhase = ''
+ runHook preCheck
+
+ export HOME=$PWD
+ ${lib.concatMapStringsSep "\n" dub-add-local deps}
+ dub test --combined --skip-registry=all
+
+ runHook postCheck
+ '';
+
+ installPhase = ''
+ runHook preInstall
+
+ mkdir -p $out/bin
+ cp -r "${targetOf package}" $out/bin
+
+ runHook postInstall
+ '';
+
+ meta = lib.optionalAttrs (package ? description) {
+ description = package.description;
+ } // attrs.meta or {};
+ } // lib.optionalAttrs (!(attrs ? version)) {
+ # Use name from dub.json, unless pname and version are specified
+ name = package.name;
+ }));
+}