WIP/BLD: daff perms #14

	name: Comment Diff

	on:
	pull_request:
	paths:
	- 'Spreadsheet/**'

	jobs:
	comment-diff:
	runs-on: ubuntu-20.04
	defaults:
	run:
	# The following allows for each run step to utilize ~/.bash_profile
	# for setting up the per-step initial state.
	# --login: a login shell. Source ~/.bash_profile
	# -e: exit on first error
	# -o pipefail: piped processes are important; fail if they fail
	shell: bash --login -eo pipefail {0}
	permissions:
	pull-requests: write

	steps:
	- uses: actions/checkout@v4
	with:
	fetch-depth: 0
	ref: ${{ github.event.pull_request.head.ref }}
	repository: ${{ github.event.pull_request.head.repo.full_name }}

	- name: install requirements
	run: \|
	pip install --upgrade pip
	pip install daff

	- name: make diff
	id: make_diff
	run: \|
	daff git csv
	git config set --global diff.daff-csv.command "daff diff --git --output-format html --fragment --context 0"
	git remote add target https://github.com/pcdshub/pcds-nalms.git
	git fetch target
	git diff target/${{ github.event.pull_request.base.ref }}...HEAD Spreadsheet/ > ${{ runner.temp }}/diff.txt
	echo 'DIFF_OUTPUT<<EOF' > $GITHUB_OUTPUT
	cat ${{ runner.temp }}/diff.txt >> $GITHUB_OUTPUT
	echo 'EOF' >> $GITHUB_OUTPUT

	- name: make comment
	id: make_comment
	uses: actions/github-script@v7
	env:
	# set as env var to handle escaping
	DIFF_OUTPUT: ${{ steps.make_diff.outputs.DIFF_OUTPUT }}
	with:
	script: \|
	github.reest.issues.createComment({
	issue_number: context.issue.number,
	owner: context.repo.owner,
	repo: context.repo.repo,
	body: process.env.DIFF_OUTPUT
	})

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