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Direct rebuild trigger selection: Phony targets are incorrectly cached · case 04

Phony targets are incorrectly cached.

Member previewVariant 4 · 3 implementations · 7 checks per implementation

Case contract

Return declaration-order unique targets whose non-order prerequisites changed, whose output is missing, or which are phony. Keep targets with no prerequisites when phony or missing.

Why this case matters

An offline model of direct rebuild trigger selection, suitable for testing build and release tooling without external services.

One recorded failure

Sample boundary fixture

This sample comes from the broken implementation of a controlled reproducer.

Boundary fixture	Actual	Expected	Outcome
fixture 2	`[]`	`["a"]`	Failed

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This record includes three runnable implementations, regression fixtures, execution results, and source hashes.

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