.gitea/workflows/pr-title-check.yml

@@ -16,8 +16,14 @@ jobs:
 
       - name: Check PR title when source files change
         env:
-          PR_TITLE: ${{ github.event.pull_request.title }}
+          API_URL: ${{ vars.API_URL }}
+          REPO_OWNER: ${{ github.repository_owner }}
+          REPO_NAME: ${{ github.event.repository.name }}
+          PR_NUMBER: ${{ github.event.pull_request.number }}
+          CI_RUNNER_TOKEN: ${{ secrets.CI_RUNNER_TOKEN }}
         run: |
           git fetch origin "${{ github.base_ref }}"
+          PR_TITLE=$(scripts/ci/fetch-pr-title.sh)
+          echo "Live PR title: ${PR_TITLE}"
           git diff --name-only "origin/${{ github.base_ref }}...HEAD" \
             | scripts/ci/check-pr-title.sh "$PR_TITLE"

scripts/ci/fetch-pr-title.sh

@@ -0,0 +1,16 @@
+#!/usr/bin/env bash
+set -euo pipefail
+
+# Fetch the current PR title from the Gitea API.
+# Requires: API_URL, REPO_OWNER, REPO_NAME, PR_NUMBER, CI_RUNNER_TOKEN
+
+: "${API_URL:?API_URL is required}"
+: "${REPO_OWNER:?REPO_OWNER is required}"
+: "${REPO_NAME:?REPO_NAME is required}"
+: "${PR_NUMBER:?PR_NUMBER is required}"
+: "${CI_RUNNER_TOKEN:?CI_RUNNER_TOKEN is required}"
+
+curl -sf \
+  "${API_URL}/repos/${REPO_OWNER}/${REPO_NAME}/pulls/${PR_NUMBER}" \
+  -H "Authorization: token ${CI_RUNNER_TOKEN}" \
+  | python3 -c 'import json, sys; print(json.load(sys.stdin)["title"])'