From 13725c08410fcecca520d5cb786271fd1883f937 Mon Sep 17 00:00:00 2001
From: Janis <janis.e.20@gmx.de>
Date: Thu, 30 Apr 2026 18:08:48 +0200
Subject: [PATCH] feat(delete-pr-branch): enhance API base URL resolution in
 branch deletion workflow

---
 .github/workflows/delete-pr-branch.yml | 16 +++++++++++++++-
 1 file changed, 15 insertions(+), 1 deletion(-)

diff --git a/.github/workflows/delete-pr-branch.yml b/.github/workflows/delete-pr-branch.yml
index 533f17d..83a8695 100644
--- a/.github/workflows/delete-pr-branch.yml
+++ b/.github/workflows/delete-pr-branch.yml
@@ -22,10 +22,24 @@ jobs:
           TOKEN: ${{ secrets.GITEA_TOKEN }}
           REPOSITORY: ${{ github.repository }}
           BRANCH: ${{ github.event.pull_request.head.ref }}
-          API_BASE: ${{ GITHUB_API_URL }}
         run: |
           set -euo pipefail
 
+          API_BASE="${GITHUB_API_URL:-}"
+          if [ -z "${API_BASE}" ]; then
+            SERVER_URL="${GITHUB_SERVER_URL:-}"
+            if [ -z "${SERVER_URL}" ]; then
+              echo "Unable to resolve Gitea API base URL from GITHUB_API_URL or GITHUB_SERVER_URL"
+              exit 1
+            fi
+            API_BASE="${SERVER_URL%/}/api/v1"
+          fi
+
+          if [ -z "${API_BASE}" ]; then
+            echo "Unable to resolve Gitea API base URL"
+            exit 1
+          fi
+
           # Branch names commonly include '/'; encode it for the API path segment.
           BRANCH_ENCODED="${BRANCH//\//%2F}"
           URL="${API_BASE}/repos/${REPOSITORY}/branches/${BRANCH_ENCODED}"