1 files changed, 110 insertions, 0 deletions
diff --git a/derivation.nix b/derivation.nix
new file mode 100644
index 0000000..3b9ce81
--- /dev/null
+++ b/derivation.nix
@@ -0,0 +1,110 @@
+{ pkgs ? import <nixpkgs> {},
+  stdenv ? pkgs.stdenv,
+  lib ? pkgs.lib,
+  ldc ? null,
+  dcompiler ? pkgs.ldc,
+  dub ? pkgs.dub
+}:
+assert dcompiler != null;
+with (
+  with lib;
+  let
+    filterDub = name: type: let baseName = baseNameOf (toString name); in ! ( # filter function to remove the .dub package folder from src
+      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 ${removeExpr (disallowedReferences deps)} '{}' + || true
+      '';
+      buildPhase = ''
+        runHook preBuild
+        HOME="$PWD"
+        DFLAGS="-O2 -inline"
+        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
+        HOME="$PWD"
+        dub test --combined --skip-registry=all
+        runHook postCheck
+      '';
+      installPhase = ''
+        runHook preInstall
+        mkdir -p $out/bin
+        cp -r "${targetOf package}" $out/bin
+        #cp -rv "${targetOf package}" $out/spine-markup-samples/.
+        #cp -rv ./markup $out/spine-markup-samples/.
+        runHook postInstall
+      '';
+      #postInstall= ''
+      #  cp -rv ./markup $out/spine-markup-samples/.
+      #'';
+      meta = lib.optionalAttrs (package ? description) {
+        description = package.description;
+      } // attrs.meta or {};
+    } // lib.optionalAttrs (!(attrs ? version)) {
+      name = package.name; # use name from dub.json, unless pname and version are specified
+    }));
+  }
+);
+mkDubDerivation rec {
+  pname         = "spine";
+  version       = "0.12.0";
+  zipfile       = "spine-0.12.0-tag-0.11.2.r107.gf89a107.tar.gz";
+  src = fetchTarball {
+    #url         = "file:///home/ralph/grotto/repo/git.repo/projects/doc-reform/code/software/tarball/${pname}-${version}.tar.gz";
+    #url         = "file:///home/ralph/grotto/repo/git.repo/projects/doc-reform/code/software/spine/tarballGitHEAD/${pname}-${version}.tar.gz";
+    #sha256      = "sha256:0000000000000000000000000000000000000000000000000000";
+    url         = "file:///home/ralph/grotto/repo/git.repo/projects/doc-reform/code/software/tarball/spine-0.12.0-tag-0.11.2.r107.gf89a107.tar.gz";
+    sha256      = "sha256:03dr7dn7kq6arw4ry7qar13iqmi1caw70imfjwi8qr7g2j4mnk2q";
+  };
+  nativeBuildInputs = with pkgs; [ dub ldc ];
+  buildInputs = with pkgs; [
+    nixVersions.unstable #nixFlakes
+    sqlite
+  ];
+  meta = with pkgs.lib; {
+    description = "A sisu like parser & document generator";
+    longDescription = ''
+      A sisu like parser & document generator
+    '';
+    homepage    = "https://sisudoc.org";
+    license     = licenses.agpl3Plus;
+    platforms   = platforms.linux;
+    maintainers = [ "RalphAmissah" ];
+  };
+}