From b415404051d584f44a90feea02eb43f764d72955 Mon Sep 17 00:00:00 2001
From: peter-evans <18365890+peter-evans@users.noreply.github.com>
Date: Tue, 10 Nov 2026 12:46:57 +0000
Subject: [PATCH] build: update distribution

---
 dist/index.js | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/dist/index.js b/dist/index.js
index 0af2ad0513..4169be0d8b 100644
--- a/dist/index.js
+++ b/dist/index.js
@@ -1644,8 +1644,10 @@ class GitHubHelper {
     createOrUpdateRef(branchRepository, branch, newHead) {
         return __awaiter(this, void 0, void 0, function* () {
             const repository = this.parseRepository(branchRepository);
-            const branchExists = yield this.octokit.rest.repos
-                .getBranch(Object.assign(Object.assign({}, repository), { branch: branch }))
+            // Check the git ref directly rather than using the branches API, which
+            // follows branch rename redirects and can return a different branch.
+            const branchExists = yield this.octokit.rest.git
+                .getRef(Object.assign(Object.assign({}, repository), { ref: `heads/${branch}` }))
                 .then(() => true, () => false);
             if (branchExists) {
                 core.info(`Branch ${branch} exists; Updating ref`);