fix sims checkout

Author: adu-crypto

.github/workflows/sims.yml

@@ -50,7 +50,33 @@ jobs:
             Simulation tests started and triggered by `/runsim`. 
             Can check further progress [here](https://github.com/${{ github.repository }}/actions/runs/${{ github.run_id }})
           GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
-      - uses: actions/checkout@v2
+      - name: Github API Request
+        id: request
+        uses: octokit/[email protected]
+        if: github.event_name == 'issue_comment'
+        with:
+          route: ${{ github.event.issue.pull_request.url }}
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+      - name: Get Comment PR informations
+        id: pr_data
+        if: github.event_name == 'issue_comment'
+        run: |
+          echo "::set-output name=branch::${{ fromJson(steps.request.outputs.data).head.ref }}"
+          echo "::set-output name=repo_name::${{ fromJson(steps.request.outputs.data).head.repo.full_name }}"
+      - name: Checkout Comment PR Branch
+        uses: actions/checkout@v2
+        if: github.event_name == 'issue_comment'
+        with:
+          submodules: true
+          token: ${{ secrets.GITHUB_TOKEN }}
+          repository: ${{ steps.pr_data.outputs.repo_name }}
+          ref: ${{ steps.pr_data.outputs.branch }}
+      - name: Normal check out code
+        uses: actions/checkout@v2
+        with:
+          submodules: true
+        if: github.event_name == 'push' || github.event_name == 'pull_request' 
       - uses: actions/[email protected]
         with:
           go-version: 1.18