From 449f31dd8b7df12965f65d9da774597332fc153d Mon Sep 17 00:00:00 2001
From: Kayshen-X <kayshen_xu@163.com>
Date: Mon, 10 Aug 2026 16:43:00 +0800
Subject: [PATCH] fix(ci): avoid release branch tag ambiguity

---
 .github/workflows/rust-release.yml | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/.github/workflows/rust-release.yml b/.github/workflows/rust-release.yml
index 6a6b0a611..f18262cf2 100644
--- a/.github/workflows/rust-release.yml
+++ b/.github/workflows/rust-release.yml
@@ -1039,6 +1039,11 @@ jobs:
           fi
 
           git switch --force-create "$target_branch" "origin/${target_branch}"
+          # Release branches share their name with the release tag. Remove the
+          # runner-local tag so create-pull-request's `symbolic-ref --short`
+          # resolves vX.Y.Z instead of heads/vX.Y.Z (and then tries the
+          # nonexistent origin/heads/vX.Y.Z remote-tracking branch).
+          git update-ref -d "refs/tags/${target_branch}"
           printf '%s\n' "$manifest" > nix/release-manifest.json
           echo "target-branch=$target_branch" >> "$GITHUB_OUTPUT"