release.yml

name: Release

on:
  push:
    tags:
      - 'v*'

permissions:
  contents: write   # needed to create the Release

jobs:
  build-release:
    runs-on: ubuntu-latest
    steps:
      - name: Checkout
        uses: actions/checkout@v4

      - name: Set bl_info version from tag
        run: |
          # Tag like v2.4.2 -> 2.4.2 -> (2, 4, 2)
          TAG_VERSION="${GITHUB_REF_NAME#v}"
          echo "Tag version: $TAG_VERSION"
          # The git tag is the single source of truth: rewrite bl_info["version"]
          # in __init__.py so the version Blender shows always matches the release.
          python3 - "$TAG_VERSION" <<'PY'
          import re, sys

          tag = sys.argv[1]
          if not re.fullmatch(r"\d+(\.\d+)*", tag):
              sys.exit(f"::error::Tag version '{tag}' is not a dotted numeric version (e.g. v2.4.2).")
          version_tuple = "(" + ", ".join(tag.split(".")) + ")"

          path = "__init__.py"
          src = open(path, encoding="utf-8").read()
          new_src, n = re.subn(
              r"(\"version\"\s*:\s*)\([^)]*\)",
              lambda m: m.group(1) + version_tuple,
              src,
              count=1,
          )
          if n != 1:
              sys.exit("::error::Could not find bl_info[\"version\"] in __init__.py")
          open(path, "w", encoding="utf-8").write(new_src)
          print(f'Set bl_info["version"] = {version_tuple}')
          PY

      - name: Build addon zip
        run: |
          # Stage the addon inside a folder so Blender installs it correctly
          mkdir -p build/NodeOSC
          # Copy source files, excluding dev/test cruft
          rsync -a \
            --exclude='.git' \
            --exclude='.github' \
            --exclude='.vscode' \
            --exclude='.vs' \
            --exclude='.idea' \
            --exclude='__pycache__' \
            --exclude='*.blend' \
            --exclude='*.blend1' \
            --exclude='.DS_Store' \
            --exclude='build' \
            ./ build/NodeOSC/
          cd build
          zip -r "NodeOSC-${GITHUB_REF_NAME}.zip" NodeOSC

      - name: Create GitHub Release
        uses: softprops/action-gh-release@v2
        with:
          files: build/NodeOSC-${{ github.ref_name }}.zip
          generate_release_notes: true   # auto changelog from merged PRs/commits