Add support for submodules #123

	name: Pull Request
	on: pull_request

	permissions: read-all

	jobs:
	tests_compute_targets:
	runs-on: ubuntu-latest
	name: Compute Impacted Targets Tests
	steps:
	- name: Checkout
	uses: actions/checkout@v3
	with:
	fetch-depth: 0

	- name: Setup Bazel
	# trunk-ignore(semgrep): Trust third-party `bazelbuild` GH Action
	uses: bazelbuild/setup-bazelisk@v2

	- name: Setup Bazel Diff
	id: bazel-diff
	working-directory: ./tests/simple_bazel_workspace
	shell: bash
	run: \|
	_java=$(bazel info java-home)/bin/java
	curl --retry 5 -Lo bazel-diff.jar https://github.com/Tinder/bazel-diff/releases/latest/download/bazel-diff_deploy.jar
	"${_java}" -jar bazel-diff.jar -V
	echo "bazel_diff_cmd=${_java} -jar ./tests/simple_bazel_workspace/bazel-diff.jar" >>"${GITHUB_OUTPUT}"

	- name: Compute Impacted Targets
	id: compute
	run: ./src/scripts/compute_impacted_targets.sh
	shell: bash
	env:
	MERGE_INSTANCE_BRANCH: do_not_delete/stable_test_branch
	MERGE_INSTANCE_BRANCH_HEAD_SHA: 3e8b2a57e0f3ad7b63cc487eae576c25b84b653b
	PR_BRANCH: do_not_delete/stable_test_branch
	PR_BRANCH_HEAD_SHA: 3e8b2a57e0f3ad7b63cc487eae576c25b84b653b
	VERBOSE: 1
	WORKSPACE_PATH: ./tests/simple_bazel_workspace
	BAZEL_STARTUP_OPTIONS: --host_jvm_args=-Xmx12G,--block_for_lock,--client_debug
	BAZEL_PATH: bazel
	BAZEL_DIFF_CMD: ${{ steps.bazel-diff.outputs.bazel_diff_cmd }}
	BAZEL_DIFF_COMMAND_OPTIONS: --remote_cache=

	- name: Validate Impacted Targets Computation
	shell: bash
	run: \|
	target_count=`cat ${{ steps.compute.outputs.impacted_targets_out }} \| wc -l`
	if [[ $target_count -ne 0 ]]; then
	exit 1
	fi

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