If‑and‑Needs Example #9
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| name: If‑and‑Needs Example | |
| # Trigger on both pushes and PRs | |
| on: | |
| workflow_dispatch: | |
| env: | |
| ACTIONS_RUNNER_DEBUG: true | |
| ACTIONS_STEP_DEBUG: true | |
| jobs: | |
| build: | |
| # ─────────── Server‑side job IF ─────────── | |
| # Only queue 'build' when on 'main' branch | |
| if: github.ref == 'refs/heads/master' | |
| runs-on: self-hosted | |
| steps: | |
| - name: sleep | |
| run: sleep 60 | |
| - name: Checkout code | |
| uses: actions/checkout@v4 | |
| - name: Set up Node.js | |
| uses: actions/setup-node@v4 | |
| with: | |
| node-version: '14' | |
| # ───────── Runner‑side step IF ───────── | |
| # Only run tests when the actor is 'octocat' | |
| - id: run-tests | |
| name: Run tests | |
| run: npm test | |
| if: github.actor == 'octocat' | |
| # Always upload logs, even if tests fail or are skipped | |
| deploy: | |
| # ─────────── Job dependency (needs) ─────────── | |
| needs: build | |
| # Server‑side IF: only deploy when 'build' succeeded | |
| if: needs.build.result == 'success' | |
| runs-on: self-hosted | |
| steps: | |
| - name: Checkout code | |
| uses: actions/checkout@v4 | |
| # Runner‑side step IF: only on push events (not PRs) | |
| - name: Deploy to Production | |
| run: echo "Deploying to production environment..." | |
| if: github.event_name == 'push' | |
| test: | |
| runs-on: self-hosted | |
| outputs: | |
| raw-json: ${{ steps.set-json.outputs.json_data }} | |
| steps: | |
| - name: Checkout code | |
| uses: actions/checkout@v4 | |
| - name: Set JSON with embedded command | |
| id: set-json | |
| run: | | |
| # Use single quotes around the whole string so inner quotes and colons are safe | |
| echo 'json_data={"cmd": "echo \"hello\""}' >> $GITHUB_OUTPUT | |
| - name: Inspect raw output | |
| run: | | |
| echo "Raw json_data output:" | |
| echo "${{ steps.set-json.outputs.json_data }}" | |
| - name: toJSON of entire outputs | |
| run: | | |
| echo "toJSON output: ${{ toJSON(steps.set-json.outputs) }}" | |
| - name: fromJSON parse the cmd field | |
| run: | | |
| # fromJSON returns an object, but does NOT execute the cmd value | |
| PARSED_CMD=${{ fromJSON(steps.set-json.outputs.json_data).cmd }} | |
| echo "Parsed cmd field: $PARSED_CMD" | |
| - name: Verify no command execution | |
| run: | | |
| echo "If 'hello' appears below, command was executed (it should NOT):" | |
| echo "Result:" | |
| # Note: we are NOT running $PARSED_CMD here—just echoing it | |
| echo "${{ fromJSON(steps.set-json.outputs.json_data).cmd }}" |