From ef05733de0b5f308a8b3dcfb3c0fd547426883dd Mon Sep 17 00:00:00 2001
From: Ralph Amissah <ralph.amissah@gmail.com>
Date: Sun, 24 Jan 2021 14:51:52 -0500
Subject: mkDub.nix project.nix spine.nix

---
 nix/mkDub.nix | 31 ++-----------------------------
 1 file changed, 2 insertions(+), 29 deletions(-)

(limited to 'nix')

diff --git a/nix/mkDub.nix b/nix/mkDub.nix
index bfcb038..8f4014b 100644
--- a/nix/mkDub.nix
+++ b/nix/mkDub.nix
@@ -3,56 +3,44 @@
   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 = [ ldc dub ];
     src = dep2src dubDep;
-
     buildPhase = ''
       runHook preBuild
-      export HOME=$PWD
+      export HOME=$NIX_BUILD_TOP
+      #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 dub ] ++ builtins.map dep2src deps;
-
   removeExpr = refs: ''remove-references-to ${lib.concatMapStrings (ref: " -t ${ref}") refs}'';
-
 in {
   inherit fromDub;
-
   mkDubDerivation = lib.makeOverridable ({
     src,
     nativeBuildInputs ? [],
@@ -63,54 +51,39 @@ in {
     package ? lib.importJSON dubJSON,
     ...
   } @ attrs: stdenv.mkDerivation (attrs // {
-
     pname = package.name;
-
     nativeBuildInputs = [ ldc dub pkgs.removeReferencesTo ] ++ nativeBuildInputs;
     disallowedReferences = disallowedReferences deps;
-
     passthru = passthru // {
       inherit dub ldc 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
       ${lib.concatMapStringsSep "\n" dub-add-local deps}
       dub build --compiler=ldc2 --build=release --combined --skip-registry=all
-
       runHook postBuild
     '';
-
     checkPhase = ''
       runHook preCheck
-
       export HOME=$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 {};
-- 
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