From 66025f28894300e3c1ae01d11133b05db03ca59b Mon Sep 17 00:00:00 2001
From: Meow <197331664+Meo597@users.noreply.github.com>
Date: Fri, 25 Jul 2025 22:47:12 +0800
Subject: [PATCH] Workflows: Fix github.ref_name sometimes is empty when
 building Docker images (#4937)

From https://github.com/XTLS/Xray-core/pull/4809
---
 .github/workflows/docker.yml | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/.github/workflows/docker.yml b/.github/workflows/docker.yml
index 9ec5b9d9..35b8e7be 100644
--- a/.github/workflows/docker.yml
+++ b/.github/workflows/docker.yml
@@ -38,6 +38,9 @@ jobs:
           if [[ -z "$SOURCE_TAG" ]]; then
             SOURCE_TAG="${{ github.ref_name }}"
           fi
+          if [[ -z "$SOURCE_TAG" ]]; then
+            SOURCE_TAG="${{ github.event.release.tag_name }}"
+          fi
 
           if [[ -z "$SOURCE_TAG" ]]; then
             echo "Error: Could not determine a valid tag source. Input tag and context tag (github.ref_name) are both empty."