Add the first PR checker #1

	---
	name: "rstcheck"

	on:
	pull_request:
	branches: [master]

	defaults:
	run:
	shell: bash

	jobs:
	lint:
	name: Lint
	runs-on: ubuntu-latest
	container:
	image: ghcr.io/texasinstruments/processor-sdk-doc:latest
	options: --entrypoint /bin/bash
	permissions:
	contents: read
	issues: write
	pull-requests: write

	steps:
	- name: Checkout repository
	uses: actions/checkout@v4

	- name: Update refs and settings
	run: \|
	git config --global --add safe.directory "$PWD"
	git switch -C pr
	git fetch --no-tags --depth=1 origin master
	git switch master

	- name: Run rstcheck
	id: rstcheck
	run: \|
	bin/delta.sh -a master -b pr \
	-- rstcheck -r source/
	if [ "$(wc -l < _new-warn.log)" -gt "0" ]; then
	{
	echo "New warnings found with rstcheck:";
	echo '```text';
	cat _new-warn.log;
	echo '```';
	} >> "$GITHUB_STEP_SUMMARY"
	{
	echo 'NEW_WARNINGS<<EOF'
	echo "$(< "$GITHUB_STEP_SUMMARY")"
	echo 'EOF'
	} >> "$GITHUB_OUTPUT"
	exit 1
	fi
	echo "No new warnings found with rstcheck" >> "$GITHUB_STEP_SUMMARY"

	- name: Update pr with info
	uses: actions/github-script@v7
	if: ${{ failure() && steps.rstcheck.outputs.NEW_WARNINGS != '' }}
	env:
	NEW_WARNINGS: ${{ steps.rstcheck.outputs.NEW_WARNINGS }}
	with:
	github-token: ${{ secrets.GITHUB_TOKEN }}
	script: \|
	github.rest.issues.createComment({
	owner: context.repo.owner,
	issue_number: context.issue.number,
	repo: context.repo.repo,
	body: process.env.NEW_WARNINGS
	})

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