Revert "Revert "ci(workflows): log on changelog/tests needed (#5506)""

This reverts commit 8a49912.

Author: jpinkney-aws

.github/workflows/notify.js

@@ -3,7 +3,7 @@
  * SPDX-License-Identifier: Apache-2.0
  */
 
-const { parsePRTitle, hasPath } = require('./utils')
+const { parsePRTitle, hasPath, dedupComment } = require('./utils')
 
 const testFilesMessage =
     'This pull request modifies files in src/ but no tests were added/updated. Confirm whether tests should be added or ensure the PR description explains why tests are not required.'
@@ -21,6 +21,7 @@ module.exports = async ({ github, context }) => {
     const owner = context.repo.owner
     const repo = context.repo.repo
     const author = context.payload.pull_request.head.repo.owner.login
+    const pullRequestId = context.payload.pull_request.number
 
     const response = await github.rest.repos.compareCommitsWithBasehead({
         owner,
@@ -37,13 +38,19 @@ module.exports = async ({ github, context }) => {
         return
     }
 
+    // Check for prior comments on the PR
+    const comments = await github.rest.issues.listComments({
+        owner,
+        repo,
+        issue_number: pullRequestId,
+    })
+
     if (shouldAddTestFileMessage) {
-        // We can't really block on this one, since its valid to make a change in src/ without adding tests :(        console.error(testFilesMessage)
+        await dedupComment({ github, comments, owner, repo, pullRequestId, message: testFilesMessage })
     }
 
     if (shouldAddChangelogMessage) {
-        console.error(changelogMessage)
-        process.exit(1)
+        await dedupComment({ github, comments, owner, repo, pullRequestId, message: changelogMessage })
     }
 }
 

.github/workflows/utils.js

@@ -25,6 +25,22 @@ function parsePRTitle(title) {
     }
 }
 
+/**
+ * Create a comment on a PR if one does not already exist
+ */
+async function dedupComment({ github, pullRequestId, owner, repo, comments, message }) {
+    if (comments.data.some((comment) => comment.body.includes(message))) {
+        return
+    }
+
+    await github.rest.issues.createComment({
+        issue_number: pullRequestId,
+        owner,
+        repo,
+        body: message,
+    })
+}
+
 /*
  * Check if path is included in at least one of the filename paths
  */
@@ -34,5 +50,6 @@ function hasPath(filenames, path) {
 
 module.exports = {
     parsePRTitle,
+    dedupComment,
     hasPath,
 }