Update tox-lint action for gitea compatibility

Author: PeterSurda

.github/workflows/tox-lint.yml

@@ -42,9 +42,24 @@ jobs:
           sudo apt-get update -q
           sudo apt-get install -qy libcap-dev
 
+      # actions/checkout needs Node.js which isn't available in the
+      # buster container on Gitea runners — use a plain git clone there
       - name: Checkout repository
+        if: matrix.python-version != '2.7'
         uses: actions/checkout@v4
 
+      - name: Checkout repository (container)
+        if: matrix.python-version == '2.7'
+        env:
+          TOKEN: ${{ github.token }}
+        run: |
+          git config --global --add safe.directory "$PWD"
+          git init
+          git remote add origin "${GITHUB_SERVER_URL}/${GITHUB_REPOSITORY}.git"
+          git -c "http.extraHeader=Authorization: token ${TOKEN}" \
+              fetch --depth 1 origin "${GITHUB_SHA}"
+          git checkout FETCH_HEAD
+
       # ── Python 3 ───────────────────────────────────────────────
       - name: Set up Python ${{ matrix.python-version }}
         if: matrix.python-version != '2.7'