Bump actions/upload-artifact from 5 to 6 #1021

	name: Weblate syntax check
	on: [pull_request, push]
	jobs:
	translate:
	runs-on: ubuntu-latest

	steps:
	- name: Checkout repository
	uses: actions/checkout@v6

	- name: Set up Python
	uses: actions/setup-python@v6
	with:
	python-version: '3.x'

	- name: Install translate-toolkit
	run: \|
	python -m pip install --upgrade pip
	pip install translate-toolkit

	- name: Install gettext (cached)
	uses: awalsh128/cache-apt-pkgs-action@v1
	with:
	packages: gettext
	version: 1.0

	- name: Run html2po
	# This is written so complex because at the time of writing (2024-02-28) it always returns 0.
	run: \|
	html2po user_guide/en.html 2>&1 \| grep Error && exit 1 \|\| exit 0

	- name: Run msgfmt --check
	run: \|
	find i18n/po -name '*.po' -print0 \
	\| xargs -0 -r -n1 sh -c 'echo "Checking: $1"; msgfmt --check "$1"' _

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