new approach

.github/workflows/ci.yml

@@ -14,7 +14,7 @@ jobs:
     strategy:
       matrix:
         os: [ubuntu-latest, macos-latest, windows-latest]
-        python-version: [3.8, 3.9]
+        python-version: [3.7, 3.8, 3.9, 3.10]
 
     steps:
       - uses: actions/checkout@v2
@@ -24,17 +24,27 @@ jobs:
         with:
           python-version: ${{ matrix.python-version }}
 
-      - name: Install Rust
+      - name: Install Rust (Linux and macOS)
+        if: runner.os != 'Windows'
         run: |
           curl https://sh.rustup.rs -sSf | sh -s -- -y
           source $HOME/.cargo/env
         shell: bash
 
+      - name: Install Rust (Windows)
+        if: runner.os == 'Windows'
+        run: |
+          curl https://sh.rustup.rs -sSf -o rustup-init.exe
+          rustup-init.exe -y
+          $env:Path += ";C:\Users\runner\.cargo\bin"
+        shell: powershell
+
       - name: Install maturin
         run: pip install maturin
 
       - name: Build wheel
         run: |
+          pwd
           cd ../../python/delta-kernel-python
           maturin build --release
         shell: bash