Skip publish workflow if version already exists on PyPI

.github/workflows/publish.yml

@@ -26,16 +26,36 @@ jobs:
         with:
           python-version: "3.10"
 
+      - name: Check if version already published
+        id: version-check
+        run: |
+          VERSION=$(cat sdk_reforge/VERSION | tr -d '\n')
+          echo "Current version: $VERSION"
+
+          # Check if this version exists on PyPI
+          HTTP_STATUS=$(curl -s -o /dev/null -w "%{http_code}" "https://pypi.org/pypi/sdk-reforge/$VERSION/json")
+
+          if [ "$HTTP_STATUS" = "200" ]; then
+            echo "Version $VERSION already exists on PyPI"
+            echo "skip=true" >> $GITHUB_OUTPUT
+          else
+            echo "Version $VERSION not found on PyPI, proceeding with publish"
+            echo "skip=false" >> $GITHUB_OUTPUT
+          fi
+
       - name: Install Poetry
+        if: steps.version-check.outputs.skip == 'false'
         uses: snok/install-poetry@v1
         with:
           virtualenvs-create: true
 
       - name: Install dependencies
+        if: steps.version-check.outputs.skip == 'false'
         run: |
           poetry install --no-interaction
 
       - name: Run tests
+        if: steps.version-check.outputs.skip == 'false'
         run: poetry run pytest
         env:
           REFORGE_INTEGRATION_TEST_SDK_KEY: ${{ secrets.REFORGE_INTEGRATION_TEST_SDK_KEY }}
@@ -44,9 +64,11 @@ jobs:
           IS_A_NUMBER: 1234
 
       - name: Build package
+        if: steps.version-check.outputs.skip == 'false'
         run: poetry build
 
       - name: Publish to PyPI
+        if: steps.version-check.outputs.skip == 'false'
         uses: pypa/gh-action-pypi-publish@release/v1
         with:
           packages-dir: dist/