Use up-to-date github PR title instead of merge-commit title

lib/getGithubPullRequest.js

@@ -0,0 +1,26 @@
+import rest from 'restling';
+
+const accessToken = process.env.GH_TOKEN; // eslint-disable-line
+const header = accessToken ? { accessToken } : {};
+
+function getLabel(labels, validLabels) {
+    const validLabelNames = Object.keys(validLabels);
+    const listOfLabels = validLabelNames.join(', ');
+    const filteredLabels = labels.filter((label) => {
+        return validLabelNames.indexOf(label.name) !== -1;
+    });
+    return (filteredLabels.length === 0) ? 'other' : filteredLabels[0].name;
+}
+
+function getPullRequestLabel(githubRepo, validLabels, pullRequestId) {
+    const url = `https://api.github.com/repos/${githubRepo}/issues/${pullRequestId}`;
+    return rest.get(url, header)
+        .get('data')
+        .then((pr) => {
+            const { title, labels } = pr;
+            const label = getLabel(labels, validLabels);
+            return { id: pullRequestId, title, label };
+        });
+}
+
+export default getPullRequestLabel;

lib/getMergedPullRequests.js

@@ -1,7 +1,7 @@
 import git from 'git-promise';
 import Promise from 'bluebird';
 import semver from 'semver';
-import getPullRequestLabel from './getPullRequestLabel';
+import getGithubPullRequest from './getGithubPullRequest';
 
 function getLatestVersionTag() {
     return git('tag --list')
@@ -28,14 +28,7 @@ function getPullRequests(fromTag) {
 
 function extendWithLabel(githubRepo, validLabels, pullRequests) {
     const promises = pullRequests.map((pullRequest) => {
-        return getPullRequestLabel(githubRepo, validLabels, pullRequest.id)
-            .then((label) => {
-                return {
-                    id: pullRequest.id,
-                    title: pullRequest.title,
-                    label
-                };
-            });
+        return getGithubPullRequest(githubRepo, validLabels, pullRequest.id);
     });
 
     return Promise.all(promises);