Link pull requests to release

Fixes babel#13.

src/handlers/release/published.js

@@ -0,0 +1,37 @@
+// @flow
+
+import github from '../../github';
+import Logger from '../../logger';
+
+const { log } = new Logger('release/published.js');
+
+type ReleasePublishedPayload = {
+ release: {
+ body: string;
+ html_url: string;
+ },
+ repository: {
+ owner: { login: string; };
+ name: string;
+ }
+};
+
+export default function({ release, repository }: ReleasePublishedPayload) {
+ const { login: owner } = repository.owner;
+ const { name: repo } = repository;
+ const { body, html_url: releaseUrl } = release;
+
+ const msg = `Released in ${releaseUrl} :tada:`;
+
+ log('Linking pull requests to release', 'verbose');
+
+ const regex = /- \[#(\d+)]/g;
+
+ let match;
+
+ while ((match = regex.exec(body)) !== null) {
+ const issue = match[1];
+ log(`Add comment to /repos/${owner}/${repo}/issues/${issue}/comments`, 'verbose');
+ github.addIssueComment(issue, owner, repo, msg);
+ }
+}