Metadata schema drift report #244

	name: Metadata schema drift report

	on:
	schedule:
	# Every 6 hours, offset 30 min from the metadata sync so it runs against
	# freshly-synced metadata/.
	- cron: '30 /6 * *'
	workflow_dispatch: {}
	push:
	branches: [main]
	paths:
	- 'scripts/check_schema_drift.py'
	- 'schema/vyges-metadata.schema.json'
	- '.github/workflows/metadata-schema-drift.yml'

	permissions:
	contents: write

	concurrency:
	group: metadata-schema-drift
	cancel-in-progress: false

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

	- name: Set up Python
	uses: actions/setup-python@v5
	with:
	python-version: '3.12'

	- name: Install validator
	run: pip install jsonschema

	- name: Validate corpus against bundled schema (report-only)
	# Never gates the build — the script always exits 0. SCHEMA_URL is
	# optional; when unset the vendored schema/ copy is used.
	continue-on-error: true
	env:
	SCHEMA_URL: ${{ vars.METADATA_SCHEMA_URL }}
	run: \|
	python scripts/check_schema_drift.py \
	--metadata-dir metadata \
	--schema schema/vyges-metadata.schema.json \
	--report DRIFT.md

	- name: Commit DRIFT.md (if changed)
	run: \|
	git config user.name 'vyges-ip-catalog-bot'
	git config user.email 'noreply@vyges.com'
	if [[ -n "$(git status --porcelain DRIFT.md)" ]]; then
	git add DRIFT.md
	git commit -m "report: refresh metadata schema drift $(date -u +%Y-%m-%dT%H:%M:%SZ)"
	git push
	else
	echo 'No drift change — skipping commit.'
	fi

	- name: Upload DRIFT.md artifact
	uses: actions/upload-artifact@v4
	with:
	name: metadata-schema-drift
	path: DRIFT.md

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