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Update TeamCity diff checker tool (#12426) #2405

Update TeamCity diff checker tool (#12426)

Update TeamCity diff checker tool (#12426) #2405

name: "Disallow submodules"
permissions: read-all
on:
pull_request
jobs:
disallow-submodules:
runs-on: ubuntu-22.04
steps:
- name: Checkout repository
uses: actions/checkout@b4ffde65f46336ab88eb53be808477a3936bae11 # v4.1.2
- name: Check for submodules
run: |
output=$(git submodule status --recursive 2>&1)
if [ ! -z $output ]; then
echo $output
echo "Submodules are not allowed"
exit 1
else
echo "No submodules found"
fi