Rebase workflow on CMakeLists

.github/workflows/bundles.yml

@@ -42,39 +42,19 @@ jobs:
         with:
           blender-version: '4.2.4'
 
-      - run: blender --version
-
-      - name: Get BlendLuxCore version (according to blender_manifest.toml)
-        shell: python
-        run: |
-          import tomllib
-          import os
-          from pathlib import Path
-
-          root = Path("${{ github.workspace }}")
-          manifest_path = root / "blender_manifest.toml"
-          with open(manifest_path, "rb") as fp:
-              manifest = tomllib.load(fp)
-          version = manifest["version"]
-
-          # Version is stored in environment variable VERSION
-          env_file = os.getenv('GITHUB_ENV')
-          with open(env_file, "a") as myfile:
-              myfile.write(f"VERSION={version}")
+      - uses: lukka/get-cmake@latest
 
       - name: Package bundle
         shell: bash
         run: |
-          echo "Packaging ${VERSION}"
-          blender --command extension build \
-            --source-dir "${{ github.workspace }}" \
-            --output-dir "${{ github.workspace }}"
-          unzip -q "BlendLuxCore-${VERSION}.zip" -d "${{ github.workspace }}/build"
-
+          build_dir="${{ github.workspace }}/build"
+          mkdir ${build_dir}
+          cmake -B ${build_dir} -S .
+          cmake --build ${build_dir}
+          unzip -q "${build_dir}/BlendLuxCore-*.zip" -d "${{ github.workspace }}/unzip"
 
       - name: Upload artifact
         uses: actions/upload-artifact@v4
         with:
-          name: "BlendLuxCore-${{ env.VERSION }}"
-          path: "${{ github.workspace }}/build/*"
-
+          name: "BlendLuxCore"
+          path: "${{ github.workspace }}/unzip/*"

CMakeLists.txt

@@ -1,6 +1,6 @@
 # To build extension:
-# cmake -B/path/to/my/build/folder -S/path/to/source/folder
-# cd /path/to/my/build/folder && cmake --build .
+# Get out of the tree, for instance in ..
+# cmake -B blc-build -S BlendLuxCore && cmake --build blc-build
 
 cmake_minimum_required(VERSION 3.25)
 
@@ -19,9 +19,9 @@ function(validate_blender_version result blender)
   )
   if (blender_output MATCHES "Blender ([0-9]+\.[0-9]+\.[0-9]+).*")
     set(version ${CMAKE_MATCH_1})
-    message(STATUS "Blender version: ${version}")
+    message(STATUS "Found Blender - version ${version}")
     if (${version} VERSION_LESS "4.2.0")
-      message(FATAL_ERROR "Bad Blender version - expected 4.2.0 or higher")
+      message(FATAL_ERROR "ERROR: Blender version is not suitable - expected 4.2.0 or higher")
       set(${result} FALSE PARENT_SCOPE)
     else()
       message(STATUS "Blender version OK")
@@ -35,14 +35,15 @@ endfunction()
 
 
 # Get BlendLuxCore version
+find_package(Python 3.11 REQUIRED COMPONENTS Interpreter)
 execute_process(
   COMMAND python
     ${CMAKE_CURRENT_SOURCE_DIR}/cmake/blendluxcore_version.py
     ${CMAKE_CURRENT_SOURCE_DIR}/blender_manifest.toml
   OUTPUT_VARIABLE BLC_VERSION
 )
 
-find_program(BLENDER blender NAMES blender.exe VALIDATOR validate_blender_version NO_CACHE)
+find_program(BLENDER blender NAMES blender.exe VALIDATOR validate_blender_version NO_CACHE REQUIRED)
 
 # Add BlendLuxCore target
 add_custom_target(