B4:Bilder hinzugefügt #78

	name: Own Files Only

	# this workflow checks whether a pull request changes only files in the project folder"
	# PR Titles have to start with the Project ID! (e.g. B1: ....)
	on:
	pull_request:
	workflow_dispatch:

	jobs:
	check-own-files:
	runs-on: ubuntu-latest
	steps:

	- uses: actions/checkout@v4
	with:
	submodules: false

	- name: "checkout pr base and head"
	run: \|
	git fetch --no-tags --depth=1 origin main
	git checkout main
	echo "about to checkout pr base"
	git fetch origin ${{ github.event.pull_request.base.sha }}
	git checkout -b pr_base ${{ github.event.pull_request.base.sha }}
	echo "about to checkout head"
	git fetch origin ${{ github.event.pull_request.head.sha }}
	git checkout -b pr_head ${{ github.event.pull_request.head.sha }}

	- name: extract project id
	id: extract_pid
	env:
	PR_TITLE: ${{ github.event.pull_request.title }}

	run: \|
	echo P_ID: "$P_ID"
	echo "PR_TITLE: $PR_TITLE"
	PID="${PR_TITLE:0:2}"
	echo "PID $PID"
	PID2=$(echo $PID \| tr '[:upper:]' '[:lower:]')
	echo "PID2 $PID2"
	echo "project_id=$PID2" >> $GITHUB_OUTPUT


	- name: "get changed files from git diff"
	continue-on-error: true
	id: diffs
	run: \|
	bin/files_changed.sh ${{ steps.extract_pid.outputs.project_id }}

	- name: "validation"
	continue-on-error: true
	run: \|
	OK="${{ steps.diffs.outputs.files_ok }}"
	bin/validate.sh $OK


	- name: "report error"
	run: \|
	OK="${{ steps.diffs.outputs.files_ok }}"
	NOK="${{ steps.diffs.outputs.files_not_ok }}"
	bin/report.sh $OK $NOK

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