From 3b2ec7c241aa602f9a87f5a0bf6c78f73d41d08d Mon Sep 17 00:00:00 2001
From: "copilot-swe-agent[bot]" <198982749+Copilot@users.noreply.github.com>
Date: Sat, 2 May 2026 09:52:14 +0000
Subject: [PATCH 1/2] fix: add X-GitHub-Api-Version header to suppress REST API
 deprecation warning

Agent-Logs-Url: https://github.com/github/gh-aw/sessions/f1268047-60d8-4f92-a744-5bc51a32a05d

Co-authored-by: pelikhan <4175913+pelikhan@users.noreply.github.com>
---
 actions/setup/js/setup_globals.cjs | 20 +++++++++++++++++++-
 1 file changed, 19 insertions(+), 1 deletion(-)

diff --git a/actions/setup/js/setup_globals.cjs b/actions/setup/js/setup_globals.cjs
index faeca9534fb..e155d021bc8 100644
--- a/actions/setup/js/setup_globals.cjs
+++ b/actions/setup/js/setup_globals.cjs
@@ -26,6 +26,14 @@ const { createRateLimitAwareGithub } = require("./github_rate_limit_logger.cjs")
  */
 function setupGlobals(coreModule, githubModule, contextModule, execModule, ioModule, getOctokitFn) {
   global.core = coreModule;
+  // Inject X-GitHub-Api-Version header on every request to suppress the
+  // "@octokit/request: endpoint is deprecated" warning that fires when the
+  // unversioned GitHub REST API is used.
+  githubModule.hook.before("request", options => {
+    if (!options.headers["X-GitHub-Api-Version"]) {
+      options.headers["X-GitHub-Api-Version"] = "2022-11-28";
+    }
+  });
   // @ts-expect-error - Assigning to global properties that are declared as const
   // Wrap the github object so every github.rest.*.*() call automatically logs
   // x-ratelimit-* headers to github_rate_limits.jsonl for observability.
@@ -35,7 +43,17 @@ function setupGlobals(coreModule, githubModule, contextModule, execModule, ioMod
   global.exec = execModule;
   // @ts-expect-error - Assigning to global properties that are declared as const
   global.io = ioModule;
-  global.getOctokit = getOctokitFn;
+  // Wrap getOctokit so every client created via global.getOctokit(token) also
+  // carries X-GitHub-Api-Version, suppressing the deprecation warning for
+  // per-handler authenticated clients (cross-repo PAT operations, etc.).
+  global.getOctokit = (token, options = {}) =>
+    getOctokitFn(token, {
+      ...options,
+      headers: {
+        "X-GitHub-Api-Version": "2022-11-28",
+        ...(options.headers || {}),
+      },
+    });
 }
 
 module.exports = { setupGlobals };

From cbdec3cce2b19e2d8fe47b601c6cedaea748f588 Mon Sep 17 00:00:00 2001
From: "github-actions[bot]"
 <41898282+github-actions[bot]@users.noreply.github.com>
Date: Sat, 2 May 2026 10:59:22 +0000
Subject: [PATCH 2/2] Add changeset

---
 .changeset/patch-github-api-version-header.md | 5 +++++
 1 file changed, 5 insertions(+)
 create mode 100644 .changeset/patch-github-api-version-header.md

diff --git a/.changeset/patch-github-api-version-header.md b/.changeset/patch-github-api-version-header.md
new file mode 100644
index 00000000000..b56bf6eb912
--- /dev/null
+++ b/.changeset/patch-github-api-version-header.md
@@ -0,0 +1,5 @@
+---
+"gh-aw": patch
+---
+
+Suppress GitHub REST API deprecation warnings by adding the required API version header to safe-output GitHub clients.