update publish flow

.github/workflows/publish.yml

@@ -14,7 +14,7 @@ concurrency:
   cancel-in-progress: true
 
 jobs:
-  publish-python:
+  build-wheels:
     strategy:
       matrix:
         os: [ubuntu-latest, macos-latest]
@@ -56,10 +56,8 @@ jobs:
           CIBW_ENVIRONMENT: |
             PATH="/usr/local/bin:$HOME/.cargo/bin:$PATH"
             CARGO_NET_GIT_FETCH_WITH_CLI=true
-          CIBW_BUILD_COMMAND: |
-            python -m pip install build
-            python -m build --sdist
-        run: cibuildwheel --output-dir dist
+        run: |
+          cibuildwheel --output-dir dist
 
       - name: Upload wheel artifacts
         uses: actions/upload-artifact@v3
@@ -69,8 +67,44 @@ jobs:
             dist/*.whl
             dist/*.tar.gz
 
+  build-source-dist:
+    name: Build and publish Python package (source distribution)
+    timeout-minutes: 10
+    runs-on: ubuntu-latest
+
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@v3
+
+      - name: Set up Python
+        uses: actions/setup-python@v4
+        with:
+          python-version: "3.10"
+
+      - name: Set up Rust
+        uses: actions-rs/toolchain@v1
+        with:
+          toolchain: stable
+
+      - name: Install dependencies
+        run: |
+          python -m pip install --upgrade pip
+          python -m pip install build
+        shell: bash
+
+      - name: Build source distribution
+        run: |
+          python -m build --sdist --outdir dist
+
+      - name: Upload source distribution
+        uses: actions/upload-artifact@v3
+        with:
+          name: source-dist
+          path: |
+            dist/*.tar.gz
+
   publish-wheels:
-    needs: publish-python
+    needs: [build-wheels, build-source-dist]
     name: Publish Python wheels
     timeout-minutes: 10
     runs-on: ubuntu-latest