chore: setup commitlint and git hooks

.gitea/workflows/commit-conventional.yml

@@ -10,10 +10,48 @@ jobs:
     runs-on: [self-hosted, linux]
 
     steps:
-      - name: Checkout
+      - name: Prepare git repository
-        uses: actions/checkout@v4
+        env:
-        with:
+          SERVER_URL: ${{ github.server_url }}
-          fetch-depth: 0
+          REPOSITORY: ${{ github.repository }}
+          GITHUB_TOKEN: ${{ github.token }}
+          BEFORE_SHA: ${{ github.event.before }}
+          PR_BASE_SHA: ${{ github.event.pull_request.base.sha }}
+          PR_HEAD_SHA: ${{ github.event.pull_request.head.sha }}
+          HEAD_SHA: ${{ github.sha }}
+        run: |
+          set -euo pipefail
+
+          if [ ! -d .git ]; then
+            git init
+          fi
+
+          if git remote get-url origin >/dev/null 2>&1; then
+            git remote set-url origin "${SERVER_URL}/${REPOSITORY}.git"
+          else
+            git remote add origin "${SERVER_URL}/${REPOSITORY}.git"
+          fi
+
+          FETCH_CMD=(git fetch --force --prune --no-tags origin '+refs/heads/*:refs/remotes/origin/*')
+          if [ -n "${GITHUB_TOKEN:-}" ]; then
+            FETCH_CMD=(git -c "http.extraHeader=Authorization: Bearer ${GITHUB_TOKEN}" fetch --force --prune --no-tags origin '+refs/heads/*:refs/remotes/origin/*')
+          fi
+
+          "${FETCH_CMD[@]}"
+
+          for SHA in "${HEAD_SHA:-}" "${PR_BASE_SHA:-}" "${PR_HEAD_SHA:-}" "${BEFORE_SHA:-}"; do
+            if [ -n "${SHA}" ] && [ "${SHA}" != "0000000000000000000000000000000000000000" ]; then
+              if [ -n "${GITHUB_TOKEN:-}" ]; then
+                git -c "http.extraHeader=Authorization: Bearer ${GITHUB_TOKEN}" fetch --no-tags origin "${SHA}" || true
+              else
+                git fetch --no-tags origin "${SHA}" || true
+              fi
+            fi
+          done
+
+          if [ -n "${HEAD_SHA:-}" ] && git cat-file -e "${HEAD_SHA}^{commit}" 2>/dev/null; then
+            git checkout --detach "${HEAD_SHA}"
+          fi
 
       - name: Validate commit messages
         env: