Add release action

.github/workflows/release.yml

@@ -0,0 +1,82 @@
+name: Create Release
+
+on:
+  push:
+    branches: [main]
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+
+    steps:
+    - name: Checkout code
+      uses: actions/checkout@v2
+      with:
+        persist-credentials: false
+        fetch-depth: 0
+
+    - name: Extract version
+      id: extract_version
+      run: echo "::set-output name=version::$(echo ${GITHUB_REF#refs/tags/})"
+
+    - name: Check version format
+      id: check_version
+      run: echo "::set-output name=is_valid::$(if [[ "${{ steps.extract_version.outputs.version }}" =~ ^[0-9]+\.[0-9]+\.[0-9]+$ ]]; then echo 'true'; else echo 'false'; fi)"
+
+    - name: Update version in bt_ifcmanager.rb
+      if: steps.check_version.outputs.is_valid == 'true'
+      run: |
+        VERSION=${{ steps.extract_version.outputs.version }}
+        sed -i "s/VERSION = '.*'/VERSION = '$VERSION'/" src/bt_ifcmanager.rb
+
+    - name: Commit changes
+      if: steps.check_version.outputs.is_valid == 'true'
+      run: |
+        VERSION=${{ steps.extract_version.outputs.version }}
+        git config --local user.email "[email protected]"
+        git config --local user.name "GitHub Action"
+        git commit -m "Update version to $VERSION" -a
+
+    - name: Push changes
+      if: steps.check_version.outputs.is_valid == 'true'
+      run: git push
+
+    - name: Create RBZ file
+      if: steps.check_version.outputs.is_valid == 'true'
+      run: |
+        VERSION=${{ steps.extract_version.outputs.version }}
+        RBZ_FILE=bt_ifcmanager-$VERSION.rbz
+        zip -r $RBZ_FILE src/
+
+    - name: Generate release notes
+      id: generate_notes
+      run: |
+        VERSION=${{ steps.extract_version.outputs.version }}
+        PREVIOUS_TAG=$(git describe --abbrev=0 --tags `git rev-list --tags --skip=1 --max-count=1`)
+        RELEASE_NOTES=$(git log --pretty=format:"- %s" $PREVIOUS_TAG..HEAD)
+        echo "::set-output name=notes::$RELEASE_NOTES"
+
+    - name: Create Release
+      if: steps.check_version.outputs.is_valid == 'true'
+      id: create_release
+      uses: actions/create-release@v1
+      env:
+        GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+      with:
+        tag_name: v${{ steps.extract_version.outputs.version }}
+        release_name: Sketchup-IFC-Manager ${{ steps.extract_version.outputs.version }}
+        body: ${{ steps.generate_notes.outputs.notes }}
+        draft: true
+        prerelease: false
+
+    - name: Upload Release Asset
+      if: steps.check_version.outputs.is_valid == 'true'
+      id: upload-release-asset
+      uses: actions/upload-release-asset@v1
+      env:
+        GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+      with:
+        upload_url: ${{ steps.create_release.outputs.upload_url }}
+        asset_path: ./bt_ifcmanager-${{ steps.extract_version.outputs.version }}.rbz
+        asset_name: bt_ifcmanager-${{ steps.extract_version.outputs.version }}.rbz
+        asset_content_type: application/zip