[skip ci] workflow test

Author: chihosin

.github/workflows/build-board-custom.yml

@@ -53,7 +53,13 @@ jobs:
     steps:
     - name: Set up repository
       run: |
-        git clone --filter=tree:0 https://github.com/adafruit/circuitpython.git $GITHUB_WORKSPACE
+        if [ -d "$GITHUB_WORKSPACE/.git" ]; then
+          cd "$GITHUB_WORKSPACE"
+          git fetch --all
+          git reset --hard origin/main
+        else
+          git clone --filter=tree:0 https://github.com/adafruit/circuitpython.git "$GITHUB_WORKSPACE"
+        fi
     - name: Checkout head / tag
       env:
         TAG: ${{ inputs.version == 'latest' && 'HEAD' || inputs.version }}