feat: fetch data for prs that need retest

src/lib/get_commit_status.mjs

@@ -0,0 +1,22 @@
+function getBuildStatus({ items: statuses }) {
+  const buildStatus = statuses.find(status => status.context === 'kibana-ci');
+  if (!buildStatus) return buildStatus;
+  return {
+    id: buildStatus.id,
+    url: buildStatus.url,
+    state: buildStatus.state,
+  };
+}
+
+export default async function getCommitStatus(repo, sha) {
+  const statuses = await repo.commits(sha).statuses.fetch();
+
+  const buildStatus = await (async stats => {
+    if (stats.lastPage) {
+      return getBuildStatus(await stats.lastPage.fetch());
+    }
+    return getBuildStatus(stats);
+  })(statuses);
+
+  return buildStatus;
+}