Sadhbh a/gcp guide - WIP #7443

	name: "Check for GIF files"

	on:
	pull_request:
	paths:
	- 'static/images/*/'

	jobs:
	look-for-gifs:
	runs-on: ubuntu-latest
	steps:
	- name: Checkout code
	uses: actions/checkout@v4
	with:
	fetch-depth: 0
	persist-credentials: false

	- name: Find changed files
	id: changed_files
	uses: tj-actions/changed-files@v42

	- name: Look for gifs
	env:
	branch: ${{ github.head_ref }}
	ALL_CHANGED_FILES: ${{ steps.changed_files.outputs.all_changed_files }}
	id: comment_body
	run: \|
	for file in $ALL_CHANGED_FILES; do
	echo "Checking file ${file}..."
	if [[ "$file" =~ ^static/images/(.*).gif$ ]]; then
	echo "The file $file is a gif. Please replace with an mp4"
	exit 1
	fi
	done

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