nix-build cleanup, external sources localized

- clean up as external sources kept locally, in
  ./src/ext_depends/
- remove dub2nix dependency, no longer needed/used

1 files changed, 98 insertions, 10 deletions

diff --git a/default.nix b/default.nix
index f3ad1cd..fa1969f 100755
--- a/default.nix
+++ b/default.nix
@@ -1,22 +1,110 @@
-{ pkgs ? import <nixpkgs> {} }:
-with import ./nix/mkDub.nix { inherit pkgs; };
+#!/usr/bin/env -S nix-build
+{ pkgs ? import <nixpkgs> {},
+  stdenv ? pkgs.stdenv,
+  lib ? pkgs.lib,
+  ldc ? null,
+  dcompiler ? pkgs.ldc,
+  dub ? pkgs.dub
+}:
+assert dcompiler != null;
+with (
+  assert dcompiler != null;
+  with lib;
+  let
+    # Filter function to remove the .dub package folder from src
+    filterDub = name: type: let baseName = baseNameOf (toString name); in ! (
+      type == "directory" && baseName == ".dub"
+    );
+    targetOf = package: "${package.targetPath or "."}/${package.targetName or package.name}";
+    # Remove reference to build tools and library sources
+    disallowedReferences = deps: [ dcompiler dub ];
+    removeExpr = refs: ''remove-references-to ${lib.concatMapStrings (ref: " -t ${ref}") refs}'';
+  in {
+    mkDubDerivation = lib.makeOverridable ({
+      src,
+      nativeBuildInputs ? [],
+      dubJSON ? src + "/dub.json",
+      passthru ? {},
+      package ? lib.importJSON dubJSON,
+      ...
+    } @ attrs: stdenv.mkDerivation (attrs // {
+      pname = package.name;
+      nativeBuildInputs = [ dcompiler dub pkgs.removeReferencesTo ] ++ nativeBuildInputs;
+      disallowedReferences = disallowedReferences deps;
+      passthru = passthru // {
+        inherit dub dcompiler 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
+        for dc_ in dmd ldmd2 gdmd; do
+          echo "- check for D compiler $dc_"
+          dc=$(type -P $dc_ || echo "")
+          if [ ! "$dc" == "" ]; then
+            break
+          fi
+        done
+        if [ "$dc" == "" ]; then
+          exit "Error: could not find D compiler"
+        fi
+        echo "$dc_ used as D compiler to build $pname"
+        dub build --compiler=$dc --build=release --combined --skip-registry=all
+        runHook postBuild
+      '';
+      checkPhase = ''
+        runHook preCheck
+        export HOME=$PWD
+        dub test --combined --skip-registry=all
+        runHook postCheck
+      '';
+      installPhase = ''
+        runHook preInstall
+        mkdir -p $out/bin
+        cp -r "${targetOf package}" $out/bin
+        runHook postInstall
+      '';
+      meta = lib.optionalAttrs (package ? description) {
+        description = package.description;
+      } // attrs.meta or {};
+    } // lib.optionalAttrs (!(attrs ? version)) {
+      # Use name from dub.json, unless pname and version are specified
+      name = package.name;
+    }));
+  }
+);
 mkDubDerivation rec {
   name = "spine-${version}";
   version = "0.11.3";
   src = ./.;
   buildInputs = [
     pkgs.sqlite
-    (import ./nix/pkglst/shell-pkgs.nix { inherit pkgs; })
+    (
+      with pkgs; [
+        nixFlakes
+        rund
+        dub
+        ldc
+        sqlite
+      ]
+    )
   ];
-  # installPhase = ''
-  #   install -m755 -D spine $out/bin/spine
-  #   echo "built $out/bin/spine"
-  # '';
+  # buildPhase = [ ];
+  installPhase = ''
+    install -m755 -D spine $out/bin/spine
+    echo "built $out/bin/spine"
+  '';
   meta = with pkgs.lib; {
-    homepage = https://sisudoc.org;
+    homepage    = https://sisudoc.org;
     description = "a sisu like document parser";
-    license = licenses.agpl3Plus;
-    platforms = platforms.linux;
+    license     = licenses.agpl3Plus;
+    platforms   = platforms.linux;
     maintainers = [ RalphAmissah ];
   };
 }