test #19

	name: Format PR Files

	on:
	pull_request:
	paths:
	- '*/.md' # Trigger workflow only when .md files are modified in the PR

	jobs:
	whitespace:
	runs-on: ubuntu-latest
	permissions:
	contents: write
	steps:
	- name: Checkout code
	uses: actions/checkout@v4
	with:
	repository: ${{ github.event.pull_request.head.repo.full_name }}
	ref: ${{ github.event.pull_request.head.ref }}
	fetch-depth: 0

	- name: Remove trailing whitespaces from Markdown files
	run: \|
	echo "Target branch: ${{ github.event.pull_request.base.ref }}"
	echo "Head branch: ${{ github.event.pull_request.head.ref }}"

	# Get the base commit between the target branch (main) and the source branch (HEAD)
	base_branch="${{ github.event.pull_request.base.ref }}"
	head_branch="${{ github.event.pull_request.head.ref }}"

	git fetch origin $base_branch
	git fetch origin $head_branch

	base_commit=$(git merge-base origin/$base_branch origin/$head_branch)
	echo "Base commit: $base_commit"

	# Get the changed files in the current PR
	echo "Checking changes in PR..."
	files=$(git diff --name-only $base_commit origin/$head_branch)
	echo "Changed files: $files"

	# Filter out .md files
	file=$(echo "$files" \| grep '\.md$')
	echo "Filtered .md file: $file"

	if [ -n "$file" ]; then
	echo "Processing file: $file"
	# Remove trailing spaces from each line in the file
	sed -i 's/[[:space:]]*$//g' "$file"
	fi

	- name: Push changes
	uses: EndBug/add-and-commit@v9
	with:
	message: Remove trailing spaces
	default_author: github_actions

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