From 0ecc130b0ecb6a500f470119fa4781f79d785bd3 Mon Sep 17 00:00:00 2001
From: Ryan Hendrickson <ryan.hendrickson@alum.mit.edu>
Date: Tue, 22 Sep 2026 20:32:37 -0400
Subject: [PATCH] ci/github-script/bot: label PRs for unmaintained packages

(cherry picked from commit db2eedfcba5911e3f98edc26157c979f3c04fbad)
---
 ci/github-script/bot.js | 26 +++++++++++++++++---------
 1 file changed, 17 insertions(+), 9 deletions(-)

diff --git a/ci/github-script/bot.js b/ci/github-script/bot.js
index e262a7082cc5..efb5f4935aa8 100644
--- a/ci/github-script/bot.js
+++ b/ci/github-script/bot.js
@@ -465,9 +465,10 @@ export default async ({ github, context, core, dry }) => {
         let owners = []
         try {
           // TODO: Create owner map similar to maintainer map.
-          owners = (await readFile(`${pull_number}/owners.txt`, 'utf-8')).split(
-            '\n',
-          )
+          owners =
+            (await readFile(`${pull_number}/owners.txt`, 'utf-8')).match(
+              /[^\n]+/g,
+            ) || []
         } catch (e) {
           // Older artifacts don't have the owners.txt, yet.
           if (e.code !== 'ENOENT') throw e
@@ -483,6 +484,18 @@ export default async ({ github, context, core, dry }) => {
           if (e.code !== 'ENOENT') throw e
         }
 
+        // TODO: Use maintainer map instead of the artifact.
+        const user_maintainers = Object.keys(
+          JSON.parse(
+            await readFile(`${pull_number}/maintainers.json`, 'utf-8'),
+          ),
+        ).map((id) => parseInt(id))
+
+        prLabels['7.unmaintained'] =
+          user_maintainers.length === 0 &&
+          team_maintainers.length === 0 &&
+          owners.length === 0
+
         // We set this label earlier already, but the current PR state can be very different
         // after handleReviewers has requested reviews, so update it in this case to prevent
         // this label from flip-flopping.
@@ -494,12 +507,7 @@ export default async ({ github, context, core, dry }) => {
           dry,
           pull_request,
           reviews,
-          // TODO: Use maintainer map instead of the artifact.
-          user_maintainers: Object.keys(
-            JSON.parse(
-              await readFile(`${pull_number}/maintainers.json`, 'utf-8'),
-            ),
-          ).map((id) => parseInt(id)),
+          user_maintainers,
           team_maintainers,
           owners,
           getUser,