gh-checks: fetch main branch

Author: crocodile-dentist

.github/workflows/checks.yml

@@ -21,6 +21,8 @@ jobs:
       run: sudo apt install -y fd-find
 
     - uses: actions/checkout@v5
+      with:
+        fetch-depth: 0
 
     - name: Check changelogs
       run: ./scripts/ci/check-changelogs.sh

scripts/ci/check-changelogs.sh

@@ -6,7 +6,7 @@ set -eo pipefail
 
 RESULT=0
 
-MERGE_BASE=$(git merge-base main HEAD)
+MERGE_BASE=$(git merge-base origin/main HEAD)
 
 function check_project () {
   project=$1