what the hell is matrix.os?

Author: harisont

.github/workflows/build-binary-packages.yml

@@ -46,6 +46,7 @@ jobs:
           python-dev-is-python3 \
           libtool-bin
     - run: |
+          echo ${{ matrix.os }}
           sudo apt-get install -y \
           haskell-platform
       if: ${{ matrix.os }} == "ubuntu-22.04"