fix(get-merge-queue-position): use sha as input rather than pull_number

.github/workflows/get-merge-queue-position.yml

@@ -16,4 +16,4 @@ jobs:
       - uses: ./
         with:
           helper: get-merge-queue-position
-          pull_number: ${{ github.event.pull_request.number }}
+          sha: ${{ github.sha }}

src/helpers/get-merge-queue-position.ts

@@ -13,16 +13,16 @@ limitations under the License.
 
 import { HelperInputs } from '../types/generated';
 import { context } from '@actions/github';
-import { octokitGraphql } from '../octokit';
+import { octokit, octokitGraphql } from '../octokit';
 import { Repository } from '@octokit/graphql-schema';
 
 export class GetMergeQueuePosition extends HelperInputs {
-  pull_number = '';
+  sha = '';
   max_queue_size?: string;
 }
 
-export const getMergeQueuePosition = async ({ pull_number, max_queue_size = '10' }: GetMergeQueuePosition) => {
-  const data = await octokitGraphql<{ repository: Repository }>(`
+export const getMergeQueuePosition = async ({ sha, max_queue_size = '10' }: GetMergeQueuePosition) => {
+  const { repository } = await octokitGraphql<{ repository: Repository }>(`
 query {
   repository(owner: "${context.repo.owner}", name: "${context.repo.repo}") {
     mergeQueue {
@@ -38,6 +38,11 @@ query {
   }
 }
 `);
-  const mergeQueueEntries = data.repository.mergeQueue?.entries?.nodes;
-  return mergeQueueEntries?.find(entry => entry?.pullRequest?.number === Number(pull_number))?.position;
+  const { data: pullRequests } = await octokit.repos.listPullRequestsAssociatedWithCommit({
+    commit_sha: sha,
+    ...context.repo
+  });
+  const pullRequestNumber = pullRequests.find(Boolean)?.number;
+  const mergeQueueEntries = repository.mergeQueue?.entries?.nodes;
+  return mergeQueueEntries?.find(entry => entry?.pullRequest?.number === Number(pullRequestNumber))?.position;
 };

test/helpers/get-merge-queue-position.test.ts

@@ -20,6 +20,11 @@ jest.mock('@actions/core');
 jest.mock('@actions/github', () => ({
   context: { repo: { repo: 'repo', owner: 'owner' }, issue: { number: 123 } },
   getOctokit: jest.fn(() => ({
+    rest: {
+      repos: {
+        listPullRequestsAssociatedWithCommit: jest.fn(({ commit_sha }) => ({ data: [{ number: Number(commit_sha.split('sha')[1]) }] }))
+      }
+    },
     graphql: jest.fn()
   }))
 }));
@@ -45,7 +50,7 @@ describe('getMergeQueuePosition', () => {
       { position: 1, pullRequest: { number: 123 } },
       { position: 2, pullRequest: { number: 456 } }
     ]);
-    const result = await getMergeQueuePosition({ pull_number: '123' });
+    const result = await getMergeQueuePosition({ sha: 'sha123' });
     expect(result).toBe(1);
   });
 
@@ -55,7 +60,7 @@ describe('getMergeQueuePosition', () => {
       { position: 2, pullRequest: { number: 456 } },
       { position: 3, pullRequest: { number: 789 } }
     ]);
-    const result = await getMergeQueuePosition({ pull_number: '789' });
+    const result = await getMergeQueuePosition({ sha: 'sha789' });
     expect(result).toBe(3);
   });
 });