Add packer version environment variable to CI workflows

Author: AbanoubGhadban

.github/workflows/examples.yml

@@ -88,6 +88,9 @@ jobs:
         fi
     - name: Increase the amount of inotify watchers
       run: echo fs.inotify.max_user_watches=524288 | sudo tee -a /etc/sysctl.conf && sudo sysctl -p
+    - name: Set packer version environment variable
+      run: |
+        echo "CI_PACKER_VERSION=${{ matrix.versions == 'oldest' && 'old' || 'new' }}" >> $GITHUB_ENV
     - name: Main CI
       if: steps.changed-files.outputs.any_changed == 'true'
       run: bundle exec rake run_rspec:${{ matrix.versions == 'oldest' && 'web' || 'shaka' }}packer_examples

.github/workflows/main.yml

@@ -190,6 +190,9 @@ jobs:
         git config user.name "Your Name"
         git commit -am "stop generators from complaining about uncommitted code"
     - run: cd spec/dummy && bundle info shakapacker
+    - name: Set packer version environment variable
+      run: |
+        echo "CI_PACKER_VERSION=${{ matrix.versions == 'oldest' && 'old' || 'new' }}" >> $GITHUB_ENV
     - name: Main CI
       run: bundle exec rake run_rspec:all_dummy
     - name: Store test results