squash! Use gh CLI to get the PR diff

.github/workflows/changelogs.yml

@@ -50,7 +50,19 @@ jobs:
     steps:
     - uses: actions/checkout@v4
       with:
-        fetch-depth: 2
+        fetch-depth: 1
+        ref: "${{ github.event.pull_request.head.sha }}"
+#    - name: Clone PR head branch
+#      env:
+#        GH_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+#        HEAD_REPO: ${{ github.event.pull_request.head.repo.clone_url }}
+#        HEAD_BRANCH: ${{ github.event.pull_request.head.ref }}
+#      run: |
+#        echo "Cloning head branch from $HEAD_REPO"
+#        git clone --depth 2 --branch $HEAD_BRANCH $HEAD_REPO .
+#        echo $(pwd)
+#        ls -R .
+#        git log -1
     - id: master
       name: Get modified master changelog files
       uses: Ana06/get-changed-files@v2.3.0
@@ -68,17 +80,26 @@ jobs:
         echo
         echo "See https://github.com/uyuni-project/uyuni/wiki/Contributing for a guide to writing changelogs."
         exit 1
+    - id: files
+      name: Get changed files
+      uses: Ana06/get-changed-files@v2.3.0
     - name: Test changelog entries
       env:
         GH_TOKEN: ${{ secrets.GITHUB_TOKEN }}
         BZ_TOKEN: ${{ secrets.BUGZILLA_TOKEN }}
       run: |
         pip install python-bugzilla~=3.2.0
 
+        echo 2
         CHANGED_FILES=$(gh pr diff -R ${{ github.event.pull_request.base.repo.full_name }} \
             ${{ github.event.pull_request.number }} --name-only)
+
         echo $CHANGED_FILES
 
+        echo "Normal"
+        echo "Changed files:"
+        echo ${{ steps.files.outputs.added_modified }}
+
         # Tracker file can be retrieved from the OBS/IBS API
         # by calling 'osc api /issue_trackers/' (with authentication)
         python .github/workflows/changelogs/changelogs.py -v \