fix(triager): race condition

Author: aurelleb

src/triage/triager.ts

@@ -68,10 +68,37 @@ export async function triageIssue(input: {
 	context?: TriageContext;
 }): Promise<void> {
 	const octokit = getGitHubClient();
-	const context = input.context ?? (await loadTriageContext(input));
-	const issue = context.issues.find(
+	let context = input.context;
+	let issue = context?.issues.find(
 		(candidate) => candidate.number === input.issueNumber,
 	);
+	if (!context) {
+		const [loaded, { data: current }] = await Promise.all([
+			loadTriageContext(input),
+			octokit.rest.issues.get({
+				owner: input.owner,
+				repo: input.repo,
+				issue_number: input.issueNumber,
+			}),
+		]);
+		if (current.pull_request) return;
+		issue = {
+			number: current.number,
+			title: current.title,
+			body: current.body,
+			state: current.state,
+			labels: labelNames(current.labels),
+		};
+		context = {
+			...loaded,
+			issues: [
+				issue,
+				...loaded.issues.filter(
+					(candidate) => candidate.number !== issue?.number,
+				),
+			],
+		};
+	}
 	if (!issue) throw new Error(`Issue #${input.issueNumber} was not found`);
 
 	const candidates = rankDuplicateCandidates(issue, context.issues);