Set PREFLIGHT env var on preflight builds, keep BUILDKITE_PREFLIGHT as deprecated#761
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Set PREFLIGHT env var on preflight builds, keep BUILDKITE_PREFLIGHT as deprecated#761
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…s deprecated Preflight builds now set PREFLIGHT=true as the canonical env var. BUILDKITE_PREFLIGHT=true is kept for backwards compatibility but marked as deprecated, giving consumers time to migrate. Context: https://buildkite-corp.slack.com/archives/C0AENNRSHRC/p1775525473953539?thread_ts=1775525370.757629&cid=C0AENNRSHRC Amp-Thread-ID: https://ampcode.com/threads/T-019d6590-f6ee-753f-acc2-1051ceb058ab Co-authored-by: Amp <amp@ampcode.com>
mcncl
approved these changes
Apr 7, 2026
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Description
Preflight builds now set
PREFLIGHT=trueas the canonical env var for consumers to detect preflight builds.BUILDKITE_PREFLIGHT=trueis kept for backwards compatibility but marked as deprecated, giving consumers time to migrate.Context:
BUILDKITE_*env vars can't be used in certain contexts, so we need a non-prefixed alternative.Slack thread: https://buildkite-corp.slack.com/archives/C0AENNRSHRC/p1775525473953539?thread_ts=1775525370.757629&cid=C0AENNRSHRC
Changes
PREFLIGHT=trueandBUILDKITE_PREFLIGHT=true(deprecated) in preflight build envTesting
go test ./...)go fmt ./...)Disclosures / Credits
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