parse comment

.github/workflows/dispatch.yml

@@ -1,30 +1,71 @@
 on:
   issue_comment:
+    types: [created]
 
 env:
-  TARGET_REPO_OWNER: 'cupy'
-  TARGET_REPO_NAME: 'self-hosted-ci'
+  CI_REPO_OWNER: 'cupy'
+  CI_REPO_NAME: 'self-hosted-ci'
 
 jobs:
+  pre-dispatch:
+    if: github.repository_owner == 'cupy'
+    runs-on: ubuntu-latest
+    outputs:
+      sha: ${{ steps.pull-request.outputs.sha }}
+    steps:
+    # TODO Support workflow_dispatch and push.
+    - name: 'Handle Pull Request Comments'
+      id: pull-request
+      if: github.event_name == 'issue_comment' && github.event.issue.pull_request
+      uses: actions/github-script@v7
+      with:
+        script: |
+          // Check if the comment contain "/test rocm" request.
+          const comments = github.event.comment.body.split('\n');
+          if (!lines.some(line => line.trim().startsWith('/test ') && line.includes('rocm'))) {
+            return;
+          }
+
+          // Get the merge commit SHA.
+          for (let i = 0; i < 10; i++) {
+            const pr = await github.rest.pulls.get({
+              owner: context.repo.owner,
+              repo: context.repo.repo,
+              pull_number: context.issue.number,
+            });
+            const mergeable = pr.data.mergeable;
+            if (mergeable === null) {
+              // mergeable is null, wait until mergeability is determined.
+              await new Promise(r => setTimeout(r, 1000));
+              continue;
+            }
+            if (mergeable === true) {
+               core.setOutput('sha', pr.data.merge_commit_sha);
+            } else {
+              core.setFailed('The pull request is not mergeable.');
+            }
+            break;
+          }
+
   dispatch:
+    needs: pre-dispatch
     runs-on: ubuntu-latest
-    if: github.repository_owner == 'cupy'
     steps:
     - name: Generate Token
       id: generate-token
       uses: actions/create-github-app-token@v1
       with:
         app-id: ${{ vars.GH_APP_SELF_HOSTED_CI_ID }}
         private-key: ${{ secrets.GH_APP_SELF_HOSTED_CI_PEM }}
-        owner: ${{ env.TARGET_REPO_OWNER }}
-        repositories: ${{ env.TARGET_REPO_NAME }}
-    - name: Dispach CI
+        owner: ${{ env.CI_REPO_OWNER }}
+        repositories: ${{ env.CI_REPO_NAME }}
+    - name: Dispach Self-Hosted CI
       uses: peter-evans/repository-dispatch@v3
       with:
-        repository: ${{ env.TARGET_REPO_OWNER }}/${{ env.TARGET_REPO_NAME }}
+        repository: ${{ env.CI_REPO_OWNER }}/${{ env.CI_REPO_NAME }}
         event-type: rocm-ci
         token: ${{ steps.generate-token.outputs.token }}
         client-payload: |
           {
-            "sha": "451140c6fa15d2c1bee4dda49a769563136142e8"
+            "sha": "${{ needs.pre-dispatch.outputs.sha }}"
           }