dm: Use libdevmapper instead of dmsetup to get subsystem from name #30

	name: Check for exported private symbols

	on:
	pull_request:
	branches:
	- master

	jobs:
	build:
	name: symbols
	runs-on: ubuntu-24.04
	env:
	CI_CONTAINER: libblockdev-ci-symbols
	steps:
	- name: Checkout libblockdev repository
	uses: actions/checkout@v6

	- name: Install podman
	run: \|
	sudo apt -qq update
	sudo apt -y -qq install podman

	- name: Build the container
	run: \|
	podman build --no-cache -t ${{ env.CI_CONTAINER }} -f misc/ci.Dockerfile .

	- name: Start the container
	run: \|
	podman run -d -t --name ${{ env.CI_CONTAINER }} --privileged --volume "$(pwd):/app" --workdir "/app" ${{ env.CI_CONTAINER }}

	- name: Install test dependencies in the container
	run: \|
	podman exec -it ${{ env.CI_CONTAINER }} bash -c "ansible-playbook -i "localhost," -c local misc/install-test-dependencies.yml -e 'test_dependencies=false'"

	- name: Run check script in the container
	run: \|
	podman exec -it ${{ env.CI_CONTAINER }} bash -c "/ci/check_new_symbols -p libblockdev"

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