ci: Fix cache key for NumPy wheels.

QuLogic · QuLogic · commit c842a29d1b60 · 2021-03-09T04:14:51.000-05:00
It must be unique across jobs, or one of the others (which are
undoubtedly faster, since they aren't building NumPy) will finish first
and fill the cache with an empty directory.
diff --git a/.github/workflows/cibuildwheel.yml b/.github/workflows/cibuildwheel.yml
@@ -40,17 +40,17 @@ jobs:
           python-version: '3.7'
 
       - uses: actions/cache@v2
-        id: numpy-aarch64-cache
+        id: numpy-cache
         with:
           path: numpy-aarch64-cache/
-          key: numpy-aarch64-cache-${{ env.min-numpy-version }}
+          key: numpy-${{ matrix.cibw_archs }}-cache-${{ env.min-numpy-version }}
 
       - name: Install cibuildwheel
         run: |
           python -m pip install cibuildwheel==1.9.0
 
       - name: Build minimum NumPy for aarch64
-        if: matrix.cibw_archs == 'aarch64' && steps.numpy-aarch64-cache.outputs.cache-hit != 'true'
+        if: matrix.cibw_archs == 'aarch64' && steps.numpy-cache.outputs.cache-hit != 'true'
         run: |
           wget https://files.pythonhosted.org/packages/${{ env.min-numpy-hash }}/numpy-${{ env.min-numpy-version }}.zip
           unzip numpy-${{ env.min-numpy-version }}.zip
