Add Cairo update check workflow #5

	name: Cairo Update Check

	on:
	push: # TODO this is just for testing
	workflow_dispatch:
	inputs:
	slack:
	description: "Send Slack notification on failure"
	type: boolean
	default: true
	schedule:
	- cron: '0 0 * * *'

	concurrency:
	group: ${{ github.workflow }}
	cancel-in-progress: true

	jobs:
	check:
	runs-on: ubuntu-latest
	steps:
	- uses: actions/checkout@v4
	- uses: dtolnay/rust-toolchain@stable
	- uses: software-mansion/setup-scarb@v1
	with:
	scarb-version: nightly

	- run: exit 1
	# - name: Build xtasks
	# run: cargo build -p xtask
	#
	# - name: Upgrade Cairo to latest main commit
	# run: \|
	# CAIRO_REV=$(git ls-remote --refs "https://github.com/starkware-libs/cairo" main \| awk '{print $1}')
	# echo "::notice::Checking Cairo commit: https://github.com/starkware-libs/cairo/commit/$CAIRO_REV"
	# cargo xtask set-cairo-version --rev "$CAIRO_REV"
	#
	# - run: cargo test --profile=ci --no-fail-fast

	notify_failed:
	runs-on: ubuntu-latest
	if: always() && !(inputs.slack) && needs.check.result == 'failure'
	needs: check
	steps:
	- name: Notify the team about workflow failure
	uses: slackapi/[email protected]
	with:
	webhook: ${{ secrets.SLACK_CAIRO_UPDATE_CHECK_FAILURE_WEBHOOK_URL }}
	webhook-type: webhook-trigger
	payload: \|
	url: "${{ github.server_url }}/${{ github.repository }}/actions/runs/${{ github.run_id }}"

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