fix: preserves evaluation results for in-flight tasks during lazy cancellation #1855

	name: Adds labels

	on:
	pull_request_target:

	env:
	GH_TOKEN: ${{ github.token }}

	jobs:
	check:
	runs-on: ubuntu-latest
	permissions:
	pull-requests: write
	timeout-minutes: 60
	env:
	PR_NUMBER: ${{ github.event.number }}
	steps:
	- name: Checkout repository
	uses: actions/checkout@v4
	with:
	submodules: true
	- name: Add labels
	run: \|
	# Give some breathing room at the start.
	sleep 30

	echo "Waiting for CI pipelines to start"
	result=""

	# Wait for more than one pipeline to spawn.
	until [[ $result -gt 1 ]]; do
	result=$(
	gh pr checks $PR_NUMBER \
	--json "bucket" \
	--jq "[.[] \| select(.bucket == \"pending\")] \| length"
	)

	sleep 15
	done

	# Wait for only the add labels pipeline to be remaining.
	echo "Waiting while CI pipelines complete"
	until [[ $result -eq 1 ]]; do
	result=$(
	gh pr checks $PR_NUMBER \
	--json "bucket" \
	--jq "[.[] \| select(.bucket == \"pending\")] \| length"
	)

	sleep 15
	done

	echo "Evaluating whether there were any CI failures"

	result=$(
	gh pr checks $PR_NUMBER \
	--json "bucket" \
	--jq "isempty(.[] \| select(.bucket == \"fail\"))"
	)

	if [[ $result == "true" ]]; then
	gh pr edit $PR_NUMBER --remove-label "S-awaiting-pass-CI"
	else
	gh pr edit $PR_NUMBER --add-label "S-awaiting-pass-CI"
	fi

	echo "Finished!"

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