add release.yml

.github/workflows/release.yml

@@ -0,0 +1,38 @@
+name: release
+
+on:
+  release:
+    types:
+      - published
+
+jobs:
+  build:
+    name: Build and publish new release
+    runs-on: "ubuntu-latest"
+
+    steps:
+      - uses: actions/checkout@v3
+
+      - name: Set up Python
+        uses: actions/setup-python@v4
+        with:
+          python-version: "3.7"
+
+      - name: Install dependencies
+        run: |
+          python -m pip install --upgrade pip
+          pip install -r dev-requirements.txt
+
+      - name: Check that versions match
+        id: version
+        run: |
+          echo "Release tag: [${{ github.event.release.tag_name }}]"
+          PACKAGE_VERSION=$(python -c "import ccds; print(ccds.__version__)")
+          echo "Package version: [$PACKAGE_VERSION]"
+          [ ${{ github.event.release.tag_name }} == "v$PACKAGE_VERSION" ] || { exit 1; }
+          echo "::set-output name=major_minor_version::v${PACKAGE_VERSION%.*}"
+
+      - name: Build package
+        run: |
+          make dist
+