From 2d9778dc01c8ca6c5a915e1ee638251878990d10 Mon Sep 17 00:00:00 2001 From: Ralph Amissah Date: Tue, 13 Oct 2020 14:09:43 -0400 Subject: build nix derivation (using dub2nix helper tool) - nix-shell - nix-build - dub2nix (dub to nix helper tool) - Lionello Lunesu - MIT License - https://github.com/lionello/dub2nix --- mkDub.nix | 125 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 125 insertions(+) create mode 100644 mkDub.nix (limited to 'mkDub.nix') diff --git a/mkDub.nix b/mkDub.nix new file mode 100644 index 0000000..8fe20a3 --- /dev/null +++ b/mkDub.nix @@ -0,0 +1,125 @@ +{ pkgs ? import {}, + 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; + })); +} -- cgit v1.2.3