1 files changed, 70 insertions, 28 deletions
diff --git a/pkgs/development/compilers/haxe/default.nix b/pkgs/development/compilers/haxe/default.nix
index 684c6d25daa..ca41545eb45 100644
--- a/pkgs/development/compilers/haxe/default.nix
+++ b/pkgs/development/compilers/haxe/default.nix
@@ -1,40 +1,82 @@
-{ stdenv, fetchgit, ocaml, zlib, pcre, neko, camlp4 }:
+{ stdenv, fetchgit, bash, coreutils, ocaml, zlib, pcre, neko, camlp4 }:
 
-stdenv.mkDerivation {
-  name = "haxe-3.4.2";
+let
+  generic = { version, sha256, prePatch }:
+    stdenv.mkDerivation rec {
+      name = "haxe-${version}";
 
-  buildInputs = [ocaml zlib pcre neko camlp4];
+      buildInputs = [ocaml zlib pcre neko camlp4];
 
-  src = fetchgit {
-    url = "https://github.com/HaxeFoundation/haxe.git";
-    sha256 = "1m5fp183agqv8h3ynhxw4kndkpq2d6arysmirv3zl3vz5crmpwqd";
-    fetchSubmodules = true;
+      src = fetchgit {
+        url = https://github.com/HaxeFoundation/haxe.git;
+        inherit sha256;
+        fetchSubmodules = true;
+        rev = "refs/tags/${version}";
+      };
 
-    # Tag 3.4.2
-    rev = "890f8c70cf23ce6f9fe0fdd0ee514a9699433ca7";
-  };
+      inherit prePatch;
+
+      buildFlags = [ "all" "tools" ];
 
-  prePatch = ''
-    sed -i -e 's|"/usr/lib/haxe/std/";|"'"$out/lib/haxe/std/"'";\n&|g' src/main.ml
-  '';
+      installPhase = ''
+        install -vd "$out/bin" "$out/lib/haxe/std"
+        cp -vr haxe haxelib std "$out/lib/haxe"
 
-  buildFlags = [ "all" "tools" ];
+        # make wrappers which provide a temporary HAXELIB_PATH with symlinks to multiple repositories HAXELIB_PATH may point to
+        for name in haxe haxelib; do
+        cat > $out/bin/$name <<EOF
+        #!{bash}/bin/bash
 
-  installPhase = ''
-    install -vd "$out/bin" "$out/lib/haxe/std"
-    install -vt "$out/bin" haxe haxelib
-    cp -vr std "$out/lib/haxe"
-  '';
+        if [[ "\$HAXELIB_PATH" =~ : ]]; then
+          NEW_HAXELIB_PATH="\$(${coreutils}/bin/mktemp -d)"
 
-  setupHook = ./setup-hook.sh;
+          IFS=':' read -ra libs <<< "\$HAXELIB_PATH"
+          for libdir in "\''${libs[@]}"; do
+            for lib in "\$libdir"/*; do
+              if [ ! -e "\$NEW_HAXELIB_PATH/\$(${coreutils}/bin/basename "\$lib")" ]; then
+                ${coreutils}/bin/ln -s "--target-directory=\$NEW_HAXELIB_PATH" "\$lib"
+              fi
+            done
+          done
+          export HAXELIB_PATH="\$NEW_HAXELIB_PATH"
+          $out/lib/haxe/$name "\$@"
+          rm -rf "\$NEW_HAXELIB_PATH"
+        else
+          exec $out/lib/haxe/$name "\$@"
+        fi
+        EOF
+        chmod +x $out/bin/$name
+        done
+      '';
 
-  dontStrip = true;
+      setupHook = ./setup-hook.sh;
 
-  meta = with stdenv.lib; {
-    description = "Programming language targeting JavaScript, Flash, NekoVM, PHP, C++";
-    homepage = https://haxe.org;
-    license = with licenses; [ gpl2 bsd2 /*?*/ ];  # -> docs/license.txt
-    maintainers = [ maintainers.marcweber ];
-    platforms = platforms.linux ++ platforms.darwin;
+      dontStrip = true;
+
+      meta = with stdenv.lib; {
+        description = "Programming language targeting JavaScript, Flash, NekoVM, PHP, C++";
+        homepage = https://haxe.org;
+        license = with licenses; [ gpl2 bsd2 /*?*/ ];  # -> docs/license.txt
+        maintainers = [ maintainers.marcweber ];
+        platforms = platforms.linux ++ platforms.darwin;
+      };
+    };
+in {
+  # this old version is required to compile some libraries
+  haxe_3_2 = generic {
+    version = "3.2.1";
+    sha256 = "1x9ay5a2llq46fww3k07jxx8h1vfpyxb522snc6702a050ki5vz3";
+    prePatch = ''
+      sed -i -e 's|"/usr/lib/haxe/std/";|"'"$out/lib/haxe/std/"'";\n&|g' main.ml
+      sed -i -e 's|"neko"|"${neko}/bin/neko"|g' extra/haxelib_src/src/tools/haxelib/Main.hx
+    '';
+  };
+  haxe_3_4 = generic {
+    version = "3.4.2";
+    sha256 = "1m5fp183agqv8h3ynhxw4kndkpq2d6arysmirv3zl3vz5crmpwqd";
+    prePatch = ''
+      sed -i -e 's|"/usr/lib/haxe/std/";|"'"$out/lib/haxe/std/"'";\n&|g' src/main.ml
+      sed -i -e 's|"neko"|"${neko}/bin/neko"|g' extra/haxelib_src/src/haxelib/client/Main.hx
+    '';
   };
 }