Running nixpkgs-update (https://nix-community.org/update-bot/) with UPDATE_INFO: assimp 6.0.2 -> 6.0.4 https://github.com/assimp/assimp/releases
attrpath: assimp
Checking auto update branch...
[version] 
[version] generic version rewriter does not support multiple hashes
[rustCrateVersion] 
[rustCrateVersion] No cargoHash found
[golangModuleVersion] 
[golangModuleVersion] Not a buildGoModule package with vendorHash
[npmDepsVersion] 
[npmDepsVersion] No npmDepsHash
[updateScript] 
[updateScript] Success
[updateScript] this derivation will be built:
  /nix/store/1n0xj295ahf6r5p64pxp66i2hjkkv071-packages.json.drv
building '/nix/store/1n0xj295ahf6r5p64pxp66i2hjkkv071-packages.json.drv'...

Going to be running update for following packages:
 - assimp-6.0.2

Press Enter key to continue...
Running update for:
Enqueuing group of 1 packages
 - assimp-6.0.2: UPDATING ...
 - assimp-6.0.2: DONE.

Packages updated!

Diff after rewrites:
diff --git a/pkgs/by-name/as/assimp/package.nix b/pkgs/by-name/as/assimp/package.nix
index e09e2ed5723f..5a9bff1539fa 100644
--- a/pkgs/by-name/as/assimp/package.nix
+++ b/pkgs/by-name/as/assimp/package.nix
@@ -10,7 +10,7 @@
 
 stdenv.mkDerivation (finalAttrs: {
   pname = "assimp";
-  version = "6.0.2";
+  version = "6.0.4";
   outputs = [
     "out"
     "lib"
@@ -21,7 +21,7 @@ stdenv.mkDerivation (finalAttrs: {
     owner = "assimp";
     repo = "assimp";
     tag = "v${finalAttrs.version}";
-    hash = "sha256-ixtqK+3iiL17GEbEVHz5S6+gJDDQP7bVuSfRMJMGEOY=";
+    hash = "sha256-ryTgsN0z9BZBz7i9aUMKuneN5oqfxpduwJlb+Q0q3Mk=";
   };
 
   patches = [

No auto update branch exists
Old version 6.0.2" not present in staging derivation file with contents: {
  lib,
  stdenv,
  fetchFromGitHub,
  cmake,
  zlib,
  nix-update-script,
}:

stdenv.mkDerivation (finalAttrs: {
  pname = "assimp";
  version = "6.0.4";
  outputs = [
    "out"
    "lib"
    "dev"
  ];

  src = fetchFromGitHub {
    owner = "assimp";
    repo = "assimp";
    tag = "v${finalAttrs.version}";
    hash = "sha256-ryTgsN0z9BZBz7i9aUMKuneN5oqfxpduwJlb+Q0q3Mk=";
  };

  postPatch = ''
    # nix build sandbox does not set /var/tmp up:
    #   https://github.com/assimp/assimp/issues/6270
    substituteInPlace test/unit/UnitTestFileGenerator.h \
      --replace-fail 'define TMP_PATH "/var/tmp/"' 'define TMP_PATH "/tmp/"'
  '';

  nativeBuildInputs = [ cmake ];

  buildInputs = [
    zlib
  ];

  strictDeps = true;
  enableParallelBuilding = true;

  cmakeFlags = [
    (lib.cmakeBool "ASSIMP_BUILD_ASSIMP_TOOLS" true)
    (lib.cmakeBool "ASSIMP_BUILD_TESTS" finalAttrs.finalPackage.doCheck)
  ];

  # Some matrix tests fail on non-86_64-linux:
  # https://github.com/assimp/assimp/issues/6246
  # https://github.com/assimp/assimp/issues/6247
  # On Darwin, the bundled googletest is not compatible with Clang 21.
  #  contrib/googletest/googletest/include/gtest/gtest-printers.h:498:35:
  #  error: implicit conversion from 'char16_t' to 'char32_t' may change the meaning of the represented code unit
  #  [-Werror,-Wcharacter-conversion]
  doCheck = stdenv.hostPlatform.isLinux && stdenv.hostPlatform.isx86_64;
  checkPhase = ''
    runHook preCheck
    bin/unit
    runHook postCheck
  '';

  passthru.updateScript = nix-update-script { };

  meta = {
    changelog = "https://github.com/assimp/assimp/releases/tag/${finalAttrs.src.tag}";
    description = "Library to import various 3D model formats";
    mainProgram = "assimp";
    homepage = "https://www.assimp.org/";
    license = lib.licenses.bsd3;
    maintainers = [ ];
    platforms = lib.platforms.linux ++ lib.platforms.darwin;
  };
})