actions: add CD

.github/workflows/build-executables.yml

@@ -0,0 +1,122 @@
+name: Build Executables
+
+on:
+  push:
+    tags:
+      - "v*"
+
+jobs:
+
+  job_build:
+    name: ${{ matrix.os }} Binaries
+    runs-on: ${{ matrix.os }}-latest
+    strategy:
+      matrix:
+        os: [ubuntu, macos, windows]
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@v2
+
+      - name: Set up Python 3.7
+        uses: actions/setup-python@v2
+        with:
+          python-version: 3.7
+
+      - name: Install dependencies
+        run: |
+          python -m pip install --upgrade pip
+          pip install pyinstaller
+          pip install -r requirements.txt
+
+      - name: Build Executable
+        run: |
+          mkdir ${{ matrix.os }}
+          cd donjon_painter
+          python -O -m PyInstaller --clean --onefile --name donjon-painter --distpath ../${{ matrix.os }} painter.py
+
+      - name: Package Executable
+        run: |
+          mv ./LICENSE ./${{ matrix.os }}
+          mv ./README.rst ./${{ matrix.os }}
+
+      - name: Upload artifacts
+        uses: actions/upload-artifact@v2
+        with:
+          name: ${{ matrix.os }}
+          path: ${{ matrix.os }}
+
+
+  job_upload:
+    name: Upload Release Assets
+    needs: job_build
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@v2
+
+      # Github Actions is weird about environment variables.
+      # Setting a variable in this way makes it available to all subsequent steps in the job.
+      # The only way to get the tag is to extract it from github-ref.
+      # For example, GITHUB_REF='refs/tags/v1.5'.
+      - name: Set environment
+        run: |
+          export TAG="${GITHUB_REF#'refs/tags/'}"
+          echo "::set-env name=GH_TAG::$TAG"
+
+      - name: Create Release
+        id: create_release
+        uses: actions/create-release@v1
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+        with:
+          tag_name: ${{ github.ref }}
+          release_name: Release ${{ github.ref }}
+          draft: true
+          prerelease: false
+
+      - uses: actions/download-artifact@v2
+        with:
+          path: bin/
+
+      # Zip all artifacts
+      - name: Zip Archives
+        run: |
+          cd bin
+          chmod +x ./macos/donjon-painter
+          chmod +x ./ubuntu/donjon-painter
+          for idir in */;
+          do
+            (cd "$idir" && zip -r "../${idir%/}.zip" .);
+          done
+
+      # We have to upload assets individually using upload-release-asset@v1
+      # There isn't a matrix for steps.
+      - name: Upload Linux Release
+        uses: actions/upload-release-asset@v1
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+        with:
+          upload_url: ${{ steps.create_release.outputs.upload_url }} # This pulls from the CREATE RELEASE step above, referencing it's ID to get its outputs object, which include a `upload_url`. See this blog post for more info: https://jasonet.co/posts/new-features-of-github-actions/#passing-data-to-future-steps
+          asset_path: ./bin/ubuntu.zip
+          asset_name: donjon-painter-linux-${{ env.GH_TAG }}.zip
+          asset_content_type: application/zip
+
+      - name: Upload MacOS Release
+        uses: actions/upload-release-asset@v1
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+        with:
+          upload_url: ${{ steps.create_release.outputs.upload_url }} # This pulls from the CREATE RELEASE step above, referencing it's ID to get its outputs object, which include a `upload_url`. See this blog post for more info: https://jasonet.co/posts/new-features-of-github-actions/#passing-data-to-future-steps
+          asset_path: ./bin/macos.zip
+          asset_name: donjon-painter-macos-${{ env.GH_TAG }}.zip
+          asset_content_type: application/zip
+
+      - name: Upload Windows Release
+        uses: actions/upload-release-asset@v1
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+        with:
+          upload_url: ${{ steps.create_release.outputs.upload_url }} # This pulls from the CREATE RELEASE step above, referencing it's ID to get its outputs object, which include a `upload_url`. See this blog post for more info: https://jasonet.co/posts/new-features-of-github-actions/#passing-data-to-future-steps
+          asset_path: ./bin/windows.zip
+          asset_name: donjon-painter-windows-${{ env.GH_TAG }}.zip
+          asset_content_type: application/zip