unshallow fetch

.github/workflows/sync-main.yml

@@ -16,6 +16,8 @@ jobs:
     steps:
       - name: Checkout
         uses: actions/checkout@v3
+        with:
+          fetch-depth: 0
       - name: Git config
         shell: bash
         run: |
@@ -25,12 +27,13 @@ jobs:
         shell: bash
         run: |
           set -x
-          git fetch
+          git fetch --unshallow
           git remote add upstream https://github.com/github/codeql.git
-          git fetch upstream --tags --force
+          git fetch upstream --unshallow --tags --force
       - name: Sync Main
         shell: bash
         run: |
+          git log --oneline -20
           git merge codeql-cli/latest
           git push origin main
           git push origin --tags --force