fix nix builds

Author: Ichunjo

.github/workflows/ci.yml

@@ -33,7 +33,16 @@ jobs:
           name: vs-nix-overlay
 
       - name: Build
-        run: nix build -L .#llvm_${{ matrix.llvm }}
+        run: nix develop -L .#llvm_${{ matrix.llvm }} -c uv build --wheel --out-dir dist_llvm${{ matrix.llvm }}
+
+      - name: Upload
+        uses: actions/upload-artifact@v7.0.1
+        if: ${{ matrix.llvm == 22 }}
+        with:
+          name: wheel-${{ matrix.os }}
+          path: |
+            dist_llvm22/*.whl
+
 
   build-windows:
     runs-on: windows-latest
@@ -104,5 +113,6 @@ jobs:
       - name: Upload
         uses: actions/upload-artifact@v7.0.1
         with:
+          name: wheel-win_amd64
           path: |
             dist/*.whl

flake.lock

@@ -5,9 +5,10 @@
   meson,
   ninja,
   pkg-config,
+  python312,
+  uv,
   libllvm,
   libxml2,
-  vapoursynth,
 }:
 stdenv.mkDerivation (finalAttrs: {
   pname = "akarin";
@@ -36,23 +37,26 @@ stdenv.mkDerivation (finalAttrs: {
     meson
     ninja
     pkg-config
+    python312
+    uv
   ];
 
   buildInputs =
     [
       libllvm
       libxml2
-      vapoursynth
     ]
     # `std::to_chars()` for floating-point types was introduced in macOS 13.3.
     # But then `darwinMinVersionHook "13.0"` yields "error: 'from_chars' is
     # unavailable: introduced in macOS 26.0".
     ++ lib.optional stdenv.hostPlatform.isDarwin (darwinMinVersionHook "26.0");
 
-  postPatch = ''
-    substituteInPlace meson.build \
-      --replace-fail "vapoursynth_dep.get_pkgconfig_variable('libdir')" "get_option('libdir')"
-  '';
+  env = {
+    UV_PYTHON_DOWNLOADS = "never";
+    UV_PYTHON_PREFERENCE = "only-system";
+  } // lib.optionalAttrs stdenv.isLinux {
+    LD_LIBRARY_PATH = lib.makeLibraryPath [ pythonManylinuxPackages.manylinux1 ];
+  };
 
   meta = {
     homepage = "https://github.com/Jaded-Encoding-Thaumaturgy/akarin-vapoursynth-plugin";