FA-9134 / Build systems / Member archive

Build prerequisite closure: Only the first requested target enters the closure · case 04

Only the first requested target enters the closure.

Member previewVariant 4 · 3 implementations · 8 checks per implementation

Case contract

Return sorted unique reachable target names including roots. Traverse normal prerequisites, exclude order-only prerequisites, retain unknown leaves, and stop cycles.

Why this case matters

An offline model of build prerequisite closure, 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 5	`["z"]`	`["a", "z"]`	Failed

MEMBER ARCHIVE

The complete case is available to members.

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

Member access is invitation-based. Sign in with your invited account to inspect the sources.