[WIP] Script to Compare Packages in Benchpark Against Spack Tag #3

	name: Check Packages Against Spack
	on:
	pull_request:
	paths:
	- repo/**/package.py

	jobs:
	diffPackages:
	runs-on: ubuntu-22.04
	steps:
	- name: Checkout repository
	uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683

	- name: Add needed Python libs
	run: \|
	pip install -r ./requirements.txt

	# Step 4: Get the list of modified files and extract package names
	- name: Get modified package names
	id: get_modified_packages
	run: \|
	# Handle first commit by comparing against an empty tree if HEAD^ doesn't exist
	if git rev-parse HEAD^ >/dev/null 2>&1; then
	MODIFIED_FILES=$(git diff --name-only HEAD^ HEAD \| grep '^repo/')
	else
	MODIFIED_FILES=$(git diff --name-only $(git hash-object -t tree /dev/null) HEAD \| grep '^repo/')
	fi

	# Extract package names (e.g., 'ad' from 'repo/ad/package.py')
	PACKAGE_NAMES=$(echo "$MODIFIED_FILES" \| sed -E 's\|repo/([^/]+)/package.py\|\1\|' \| sort -u)

	echo "PACKAGE_NAMES=$PACKAGE_NAMES" >> $GITHUB_ENV

	# Step 5: Run the diffPackages.py script with package names
	- name: Run diffPackages.py
	if: env.PACKAGE_NAMES != ''
	run: \|
	./bin/benchpark-python lib/scripts/diffPackages.py --packages $PACKAGE_NAMES

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