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fix(queue): rename queued_ids to active_ids, document circular-dep caveat

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damocles 2026-06-04 17:35:56 +02:00 • committed by mara
commit 5f05caee31
2 changed files with 14 additions and 4 deletions
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13
hive-c0re/src/rebuild_queue.rs
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@ -468,9 +468,10 @@ impl RebuildQueue {
.filter(|e| e.state.is_terminal())
.map(|e| e.id)
.collect();
// All queued ids — used to distinguish "not yet terminal" from
// "evicted (= resolved)".
let queued_ids: std::collections::HashSet<u64> = inner
// Active (non-terminal) ids: Queued + Running. Named `active_ids`
// rather than `queued_ids` because Running entries are included;
// used to distinguish "still in flight" from "evicted (= resolved)".
let active_ids: std::collections::HashSet<u64> = inner
.entries
.iter()
.filter(|e| !e.state.is_terminal())
@ -480,7 +481,11 @@ impl RebuildQueue {
e.state == QueueState::Queued
&& e.depends_on.iter().all(|dep_id| {
// Resolved if terminal in queue OR not in queue at all.
terminal_ids.contains(dep_id) || !queued_ids.contains(dep_id)
// Note: circular deps (A depends on B, B depends on A)
// silently deadlock — neither entry ever becomes runnable.
// Not a problem in v1 (no callers yet), but callers must
// ensure acyclic dep graphs.
terminal_ids.contains(dep_id) || !active_ids.contains(dep_id)
})
})?;
let entry = &mut inner.entries[pos];