add better cache debugging to GitHub install action

PiperOrigin-RevId: 673774924
Change-Id: I0dd7b1b31e5354a76e6a57c12b2692e3cedd3b2b

Author: jagapiou

.github/actions/install-meltingpot/action.yml

@@ -38,34 +38,44 @@ runs:
           meltingpot/assets
           venv
         key: install-meltingpot-${{ steps.os-info.outputs.name }}-${{ steps.os-info.outputs.version }}-py${{ steps.setup-python.outputs.python-version }}-${{ hashFiles('setup.py') }}
-        restore-keys: |
-          install-meltingpot-${{ steps.os-info.outputs.name }}-${{ steps.os-info.outputs.version }}-py${{ steps.setup-python.outputs.python-version }}-
 
-    - name: Install Melting Pot
+    - name: Create venv
       if: steps.restore.outputs.cache-hit != 'true'
       shell: bash
       run: |
         python -m venv venv
-        source venv/bin/activate
-        pip install --editable .[dev]
 
-    - name: Save Melting Pot installation
-      if: steps.restore.outputs.cache-hit != 'true'
-      uses: actions/cache/save@0c45773b623bea8c8e75f6c82b208c3cf94ea4f9
-      with:
-        path:  |
-          meltingpot/assets
-          venv
-        key: ${{ steps.restore.outputs.cache-primary-key }}
-
-    - name: Activate virtual environment
+    - name: Activate venv
       shell: bash
       run: |
         echo "${PWD}/venv/bin" >> $GITHUB_PATH
 
+    - name: Install Melting Pot
+      if: steps.restore.outputs.cache-hit != 'true'
+      shell: bash
+      run: |
+        pip install --editable .[dev]
+
     - name: Show installation
       shell: bash
       run: |
         which python
+        python --version
         which pip
+        pip --version
+        which pylint
+        pylint --version
+        which pytest
+        pytest --version
+        which pytype
+        pytype --version
         pip list
+
+    - name: Save Melting Pot installation
+      if: steps.restore.outputs.cache-hit != 'true'
+      uses: actions/cache/save@0c45773b623bea8c8e75f6c82b208c3cf94ea4f9
+      with:
+        path:  |
+          meltingpot/assets
+          venv
+        key: ${{ steps.restore.outputs.cache-primary-key }}