Cache Actionlint

Author: alexeyr

.github/workflows/lint-js-and-ruby.yml

@@ -70,14 +70,30 @@ jobs:
       run: yarn start format.listDifferent
     - name: Type-check TypeScript
       run: yarn run type-check
-    - name: Lint GitHub Actions
-      # We only download and run Actionlint if there is any difference in GitHub Action workflows
-      # https://github.com/rhysd/actionlint/blob/main/docs/usage.md#on-github-actions
+    # We only download and run Actionlint if there is any difference in GitHub Action workflows
+    # https://github.com/rhysd/actionlint/blob/main/docs/usage.md#on-github-actions
+    - name: Check for GitHub Actions changes
+      id: check-workflows
       run: |
         git fetch origin ${{ github.event.pull_request.base.sha }}
         if git diff --name-only ${{ github.event.pull_request.base.sha }} ${{ github.sha }} | grep -q '^.github/workflows'; then
-          echo "::add-matcher::.github/actionlint-matcher.json"
-          bash <(curl https://raw.githubusercontent.com/rhysd/actionlint/main/scripts/download-actionlint.bash)
-          SHELLCHECK_OPTS="-S warning" ./actionlint -color
+          echo "changed=true" >> "$GITHUB_OUTPUT"
+          actionlint_version=$(curl -s https://api.github.com/repos/rhysd/actionlint/releases/latest | jq -r .tag_name)
+          echo "actionlint_version=\"$actionlint_version\"" >> "$GITHUB_OUTPUT"
         fi
+    - name: Setup Actionlint
+      if: steps.check-workflows.outputs.changed == 'true'
+      uses: actions/cache@v4
+      id: cache-actionlint
+      with:
+        path: ./actionlint
+        key: ${{ runner.os }}-actionlint-${{ steps.check-workflows.outputs.actionlint_version }}
+    - name: Download Actionlint
+      if: steps.check-workflows.outputs.changed == 'true' && steps.cache-actionlint.outputs.cache-hit != 'true'
+      run: bash <(curl https://raw.githubusercontent.com/rhysd/actionlint/main/scripts/download-actionlint.bash)
+    - name: Lint GitHub Actions
+      if: steps.check-workflows.outputs.changed == 'true'
+      run: |
+        echo "::add-matcher::.github/actionlint-matcher.json"
+        SHELLCHECK_OPTS="-S warning" ./actionlint -color
       shell: bash