From fcc7c12f8013e389276ec33fab7a11935b0af37e Mon Sep 17 00:00:00 2001
From: nessita <124304+nessita@users.noreply.github.com>
Date: Wed, 16 Jul 2025 15:36:33 -0300
Subject: [PATCH] [5.2.x] Fixed GitHub Action that checks commit prefixes to
 fetch PR head correctly.

Backport of 8499fba0e18826a77fe32cbc13a3d951d9ca8924 from main.
---
 ...k-commit-messages.yml => check_commit_messages.yml} | 10 ++++------
 1 file changed, 4 insertions(+), 6 deletions(-)
 rename .github/workflows/{check-commit-messages.yml => check_commit_messages.yml} (86%)

diff --git a/.github/workflows/check-commit-messages.yml b/.github/workflows/check_commit_messages.yml
similarity index 86%
rename from .github/workflows/check-commit-messages.yml
rename to .github/workflows/check_commit_messages.yml
index c7c7bd0760..ee9536f482 100644
--- a/.github/workflows/check-commit-messages.yml
+++ b/.github/workflows/check_commit_messages.yml
@@ -19,9 +19,7 @@ jobs:
         id: vars
         run: |
           BASE="${{ github.event.pull_request.base.ref }}"
-          HEAD="${{ github.event.pull_request.head.ref }}"
           echo "BASE=$BASE" >> $GITHUB_ENV
-          echo "HEAD=$HEAD" >> $GITHUB_ENV
           VERSION="${BASE#stable/}"
           echo "prefix=[$VERSION]" >> $GITHUB_OUTPUT
 
@@ -35,15 +33,15 @@ jobs:
           fi
           echo "✅ PR title has the required prefix."
 
-      - name: Fetch base and head branches
+      - name: Fetch relevant branches
         run: |
-          git fetch origin $BASE
-          git fetch origin $HEAD
+          git fetch origin $BASE:base
+          git fetch origin pull/${{ github.event.pull_request.number }}/head:pr
 
       - name: Check commit messages prefix
         run: |
           PREFIX="${{ steps.vars.outputs.prefix }}"
-          COMMITS=$(git rev-list origin/${BASE}..origin/${HEAD})
+          COMMITS=$(git rev-list base..pr)
           echo "Checking commit messages for required prefix: $PREFIX"
           FAIL=0
           for SHA in $COMMITS; do