test gh #505

	name: Test Pull Request (Java)

	on:
	merge_group:
	pull_request:
	branches:
	- main
	paths:
	- 'java/**'

	jobs:
	prepare:
	name: Prepare
	runs-on: ubuntu-latest
	outputs:
	matrix: ${{ steps.paths.outputs.matrix }}
	steps:
	- name: Checkout
	uses: actions/checkout@v4
	with:
	fetch-depth: 0
	- name: Discover changed paths
	id: paths
	run: \|
	env
	# see: https://stackoverflow.com/a/8721550/24069 for usage of paste
	changed_java_folders=$( git diff --name-only --merge-base origin/$GITHUB_BASE_REF $GITHUB_SHA \| xargs -n 1 dirname \| uniq \| grep -v "^\." \| sed "s/^/\"/;s/$/\"/" \| paste -s -d, - )
	echo "These are the Java folders where we found changes for this PR : $changed_java_folders" >> $GITHUB_STEP_SUMMARY
	echo "matrix={\"java_sample_folder\":[$changed_java_folders]}" >> $GITHUB_OUTPUT
	echo "This is how the matrix will look like: $(cat $GITHUB_OUTPUT)"

	smoke:
	needs: prepare
	name: Smoke Tests
	runs-on: ubuntu-latest
	strategy:
	matrix: ${{ fromJSON(needs.prepare.outputs.matrix) }}
	# java_sample_folder:

	steps:
	- name: Setup Go
	uses: actions/setup-go@v4
	with:
	go-version: 1.18.x

	- name: Checkout
	uses: actions/checkout@v4

	- name: Smoke Test Java samples
	run: \|
	echo "About to run the smoke test script against this suite folder: ${{ matrix.java_sample_folder }}"
	./scripts/smoke.sh --suite ${{ matrix.java_sample_folder }}" \
	--builder paketobuildpacks/builder:full \
	--builder paketobuildpacks/builder:base \
	--builder paketobuildpacks/builder:tiny

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