From 7086bb46ef30d5669db0b02d647bb63d1f8ef8c0 Mon Sep 17 00:00:00 2001
From: Jake Bailey <5341706+jakebailey@users.noreply.github.com>
Date: Fri, 18 Sep 2026 21:45:15 -0700
Subject: [PATCH] Include MDN content commit in metadata

---
 inputfiles/mdn.commit |  1 +
 scripts/fetch-mdn.js  | 17 ++++++++++++++++-
 2 files changed, 17 insertions(+), 1 deletion(-)
 create mode 100644 inputfiles/mdn.commit

diff --git a/inputfiles/mdn.commit b/inputfiles/mdn.commit
new file mode 100644
index 000000000..d429c8603
--- /dev/null
+++ b/inputfiles/mdn.commit
@@ -0,0 +1 @@
+19497692665c3551b4097af5cd9f52f84564cefd
diff --git a/scripts/fetch-mdn.js b/scripts/fetch-mdn.js
index 6d39a16d2..a8f7c068f 100644
--- a/scripts/fetch-mdn.js
+++ b/scripts/fetch-mdn.js
@@ -10,9 +10,20 @@ if (!res.ok) {
 }
 
 const data = await res.json();
+const entries = Object.values(data);
+
+const latestEntry = entries.reduce((latest, entry) =>
+  !latest || entry.modified > latest.modified ? entry : latest,
+);
+const commit = latestEntry?.source?.last_commit_url.match(
+  /\/commit\/([0-9a-f]{40})$/,
+)?.[1];
+if (!commit) {
+  throw new Error("Could not determine the mdn/content commit");
+}
 
 // Filter and map the data
-const filtered = Object.values(data)
+const filtered = entries
   .filter((entry) => {
     const path = entry.mdn_url;
     return (
@@ -35,5 +46,9 @@ await fs.writeFile(
   new URL("../inputfiles/mdn.json", import.meta.url),
   JSON.stringify(filtered, null, 2),
 );
+await fs.writeFile(
+  new URL("../inputfiles/mdn.commit", import.meta.url),
+  `${commit}\n`,
+);
 
 console.log("mdn.json updated!");