2121permissions :
2222 contents : write
2323 id-token : write
24+ issues : read
25+ pull-requests : read
2426
2527env :
2628 AWS_REGION : us-west-2
@@ -34,6 +36,275 @@ jobs:
3436 uses : actions/checkout@v6
3537 with :
3638 fetch-depth : 0
39+
40+ - name : Determine previous release tag
41+ id : previous_release
42+ shell : bash
43+ run : |
44+ previous_tag="$(git tag --merged HEAD --list 'v*' --sort=-version:refname | head -n 1)"
45+ if [ -z "$previous_tag" ]; then
46+ echo "No previous release tag found. Skipping BREAKING change validation."
47+ echo "tag=" >> "$GITHUB_OUTPUT"
48+ exit 0
49+ fi
50+
51+ echo "Found previous release tag: $previous_tag"
52+ echo "tag=$previous_tag" >> "$GITHUB_OUTPUT"
53+
54+ - name : Collect release commit SHAs
55+ id : release_commits
56+ if : steps.previous_release.outputs.tag != ''
57+ shell : bash
58+ run : |
59+ {
60+ echo "shas<<EOF"
61+ git rev-list "${{ steps.previous_release.outputs.tag }}..HEAD"
62+ echo "EOF"
63+ } >> "$GITHUB_OUTPUT"
64+
65+ - name : Collect release pull request numbers from git history
66+ id : release_pull_requests
67+ if : steps.previous_release.outputs.tag != ''
68+ shell : bash
69+ run : |
70+ {
71+ echo "numbers<<EOF"
72+ git log --format='%s' "${{ steps.previous_release.outputs.tag }}..HEAD" |
73+ sed -nE 's/^.*\(#([0-9]+)\)$/\1/p; s/^Merge pull request #([0-9]+).*$/\1/p' |
74+ sort -u
75+ echo "EOF"
76+ } >> "$GITHUB_OUTPUT"
77+
78+ - name : Validate BREAKING changes require major version bump
79+ if : steps.previous_release.outputs.tag != ''
80+ uses : actions/github-script@v8
81+ env :
82+ PREVIOUS_TAG : ${{ steps.previous_release.outputs.tag }}
83+ RELEASE_VERSION : ${{ github.event.inputs.release_version }}
84+ RELEASE_COMMITS : ${{ steps.release_commits.outputs.shas }}
85+ RELEASE_PULL_REQUESTS : ${{ steps.release_pull_requests.outputs.numbers }}
86+ with :
87+ script : |
88+ const previousTag = process.env.PREVIOUS_TAG;
89+ const releaseVersion = process.env.RELEASE_VERSION;
90+ const commitShas = process.env.RELEASE_COMMITS
91+ .split('\n')
92+ .map((sha) => sha.trim())
93+ .filter(Boolean);
94+ const releasePullRequestNumbers = process.env.RELEASE_PULL_REQUESTS
95+ .split('\n')
96+ .map((number) => number.trim())
97+ .filter(Boolean)
98+ .map((number) => Number.parseInt(number, 10))
99+ .filter((number) => Number.isInteger(number));
100+ const owner = context.repo.owner;
101+ const repo = context.repo.repo;
102+ const breakingLabel = 'BREAKING';
103+
104+ const parseMajor = (version) => {
105+ const match = version.match(/^v?(\d+)\.\d+\.\d+(?:[-+].*)?$/);
106+ if (!match) {
107+ throw new Error(`Unable to parse semantic version from "${version}"`);
108+ }
109+ return Number.parseInt(match[1], 10);
110+ };
111+
112+ const previousMajor = parseMajor(previousTag);
113+ const releaseMajor = parseMajor(releaseVersion);
114+
115+ if (commitShas.length === 0) {
116+ core.info(`No commits found between ${previousTag} and HEAD. Skipping BREAKING change validation.`);
117+ return;
118+ }
119+
120+ const prsByNumber = new Map();
121+ const linkedIssuesByPullRequest = new Map();
122+ const issuesByNumber = new Map();
123+
124+ for (const commitSha of commitShas) {
125+ const { data: pullRequests } = await github.rest.repos.listPullRequestsAssociatedWithCommit({
126+ owner,
127+ repo,
128+ commit_sha: commitSha,
129+ });
130+
131+ for (const pullRequest of pullRequests) {
132+ if (pullRequest.merged_at) {
133+ prsByNumber.set(pullRequest.number, pullRequest);
134+ }
135+ }
136+ }
137+
138+ for (const pullRequestNumber of releasePullRequestNumbers) {
139+ if (prsByNumber.has(pullRequestNumber)) {
140+ continue;
141+ }
142+
143+ const { data: pullRequest } = await github.rest.pulls.get({
144+ owner,
145+ repo,
146+ pull_number: pullRequestNumber,
147+ });
148+
149+ if (pullRequest.merged_at) {
150+ prsByNumber.set(pullRequest.number, pullRequest);
151+ }
152+ }
153+
154+ const hasBreakingLabel = (labels) =>
155+ labels.some((label) => label.name?.toUpperCase() === breakingLabel);
156+
157+ const getIssue = async (issueNumber) => {
158+ if (issuesByNumber.has(issueNumber)) {
159+ return issuesByNumber.get(issueNumber);
160+ }
161+
162+ const { data: issue } = await github.rest.issues.get({
163+ owner,
164+ repo,
165+ issue_number: issueNumber,
166+ });
167+
168+ if (issue.pull_request) {
169+ issuesByNumber.set(issueNumber, null);
170+ return null;
171+ }
172+
173+ const normalizedIssue = {
174+ number: issue.number,
175+ labels: issue.labels.map((label) => ({
176+ name: typeof label === 'string' ? label : label.name,
177+ })),
178+ };
179+
180+ issuesByNumber.set(issueNumber, normalizedIssue);
181+ return normalizedIssue;
182+ };
183+
184+ const getLinkedIssues = async (pullRequestNumber) => {
185+ if (linkedIssuesByPullRequest.has(pullRequestNumber)) {
186+ return linkedIssuesByPullRequest.get(pullRequestNumber);
187+ }
188+
189+ const query = `
190+ query($owner: String!, $repo: String!, $number: Int!) {
191+ repository(owner: $owner, name: $repo) {
192+ pullRequest(number: $number) {
193+ closingIssuesReferences(first: 50) {
194+ nodes {
195+ number
196+ labels(first: 50) {
197+ nodes {
198+ name
199+ }
200+ }
201+ }
202+ }
203+ }
204+ }
205+ }
206+ `;
207+
208+ const result = await github.graphql(query, {
209+ owner,
210+ repo,
211+ number: pullRequestNumber,
212+ });
213+ const linkedIssues = new Map(
214+ result.repository.pullRequest.closingIssuesReferences.nodes.map((issue) => [
215+ issue.number,
216+ {
217+ number: issue.number,
218+ labels: issue.labels.nodes,
219+ },
220+ ])
221+ );
222+
223+ const timelineEvents = await github.paginate(github.rest.issues.listEventsForTimeline, {
224+ owner,
225+ repo,
226+ issue_number: pullRequestNumber,
227+ per_page: 100,
228+ });
229+
230+ for (const event of timelineEvents) {
231+ if (!['connected', 'cross-referenced'].includes(event.event)) {
232+ continue;
233+ }
234+
235+ const candidateIssueNumbers = [
236+ event.source?.issue?.number,
237+ event.source?.number,
238+ event.subject?.issue?.number,
239+ event.subject?.number,
240+ ].filter((number) => Number.isInteger(number));
241+
242+ for (const issueNumber of candidateIssueNumbers) {
243+ if (linkedIssues.has(issueNumber)) {
244+ continue;
245+ }
246+
247+ const issue = await getIssue(issueNumber);
248+ if (issue) {
249+ linkedIssues.set(issue.number, issue);
250+ }
251+ }
252+ }
253+
254+ const resolvedIssues = [...linkedIssues.values()];
255+ linkedIssuesByPullRequest.set(pullRequestNumber, resolvedIssues);
256+ return resolvedIssues;
257+ };
258+
259+ core.info(
260+ `Evaluating ${prsByNumber.size} pull requests since ${previousTag}: ${[...prsByNumber.keys()]
261+ .map((number) => `#${number}`)
262+ .join(', ')}`
263+ );
264+
265+ const breakingPullRequests = [];
266+
267+ for (const pullRequest of prsByNumber.values()) {
268+ const prHasBreakingLabel = hasBreakingLabel(pullRequest.labels);
269+ const linkedIssues = await getLinkedIssues(pullRequest.number);
270+ const breakingIssues = linkedIssues.filter((issue) => hasBreakingLabel(issue.labels));
271+
272+ if (prHasBreakingLabel || breakingIssues.length > 0) {
273+ breakingPullRequests.push({
274+ number: pullRequest.number,
275+ breakingIssues,
276+ });
277+ }
278+ }
279+
280+ if (breakingPullRequests.length === 0) {
281+ core.info(`No BREAKING-labeled pull requests or linked issues found since ${previousTag}.`);
282+ return;
283+ }
284+
285+ const formatBreakingReferences = (pullRequest) => {
286+ const issueSuffix =
287+ pullRequest.breakingIssues.length === 0
288+ ? ''
289+ : ` (linked issues: ${pullRequest.breakingIssues.map((issue) => `#${issue.number}`).join(', ')})`;
290+
291+ return `#${pullRequest.number}${issueSuffix}`;
292+ };
293+
294+ if (releaseMajor > previousMajor) {
295+ core.info(
296+ `Found BREAKING-labeled pull requests or linked issues (${breakingPullRequests
297+ .map(formatBreakingReferences)
298+ .join(', ')}), and release version ${releaseVersion} bumps the major version from ${previousMajor} to ${releaseMajor}.`
299+ );
300+ return;
301+ }
302+
303+ core.setFailed(
304+ `Release ${releaseVersion} includes BREAKING-labeled pull requests or linked issues (${breakingPullRequests
305+ .map(formatBreakingReferences)
306+ .join(', ')}) since ${previousTag}, but the major version was not bumped from ${previousMajor}.`
307+ );
37308
38309 - name : Setup Java
39310 uses : actions/setup-java@v5
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