axoverlay: Use const where possible #29

	name: Documentation checks

	on:
	workflow_dispatch:
	push:
	branches: [main]
	pull_request:
	branches: [main]
	jobs:
	build:
	runs-on: ubuntu-latest
	steps:
	- uses: actions/checkout@v3
	- uses: docker/setup-buildx-action@v2

	- name: Verify that the docs don't have links to wrong SDK format
	run: \|

	# Whitelist this file
	workflowfile=linter-documentation-links.yml

	# Version specific URL strings
	acap3_type_urls="help.axis.com/acap-3-developer-guide \
	www.axis.com/techsup/developer_doc"
	acap4_type_urls="axiscommunications.github.io/acap-documentation"

	# Decide which SDK version this repo is
	search_urls=
	incorrect_sdk_version=
	repo=${GITHUB_REPOSITORY##*AxisCommunications/}
	case $repo in
	acap-native-sdk-examples)
	search_urls=$acap3_type_urls
	incorrect_sdk_version=3
	;;
	acap3-examples)
	search_urls=$acap4_type_urls
	incorrect_sdk_version=4
	;;
	esac

	# Check for incorrect URLs
	set +e
	found_error=n
	for doc_url in $search_urls
	do
	found_doc_url=$(grep -nir "$doc_url" --exclude $workflowfile)
	[ -z "$found_doc_url" ] \|\| {
	printf "\nERROR: $doc_url is an ACAP $incorrect_sdk_version documentation URL found in:\n$found_doc_url\n"
	found_error=y
	}
	done
	set -e

	if [ $found_error = n ]; then
	printf "\nNo ACAP $incorrect_sdk_version documentation URL was found -> PASS"
	else
	printf "\n\nERROR: No ACAP $incorrect_sdk_version URLs should be found in $GITHUB_REPOSITORY.\n"
	exit 1
	fi

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