Bgd 4696 merge upstream #19

	name: Check internationalization changes

	on:
	pull_request:

	jobs:
	check_i18n:
	runs-on: ubuntu-latest
	steps:
	- name: Checkout
	uses: actions/checkout@v4

	- name: Base Setup
	uses: jupyterlab/maintainer-tools/.github/actions/base-setup@v1

	- name: Install dependencies
	run: \|
	python -m pip install -U pip jupyterlab-translate~=1.0

	- name: Compute hash
	id: currentHash
	run: \|
	set -eux
	HASH=$(python scripts/i18n_check.py \| tail -n1)
	echo "::set-output name=i18n::${HASH}"

	- name: Checkout target
	run: \|
	echo Checking ${GITHUB_BASE_REF}...
	# Ref https://github.com/actions/checkout/issues/93
	git fetch --depth=1 origin +refs/heads/${GITHUB_BASE_REF}:refs/remotes/origin/${GITHUB_BASE_REF}
	git checkout ${GITHUB_BASE_REF}

	- name: Check hash
	env:
	CURRENT: ${{ steps.currentHash.outputs.i18n }}
	run: \|
	set -eux
	EXPECTED=$(python scripts/i18n_check.py \| tail -n1)
	if [[ "${CURRENT}" != "${EXPECTED}" ]]; then
	echo "Translatable strings have changed, this is only allowed on major or minor version bumps."
	# Set job status as failed if
	# - branch is not "main"
	# - and current version is not a pre release of a zeroed patch version
	if [[ "${GITHUB_BASE_REF}" != "main" && ! ( $(python setup.py --version) =~ ^[0-9]+\.[0-9]+\.0(\.dev\|a\|b\|rc)[0-9]+$ ) ]]; then
	exit 1
	fi
	fi

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