forked from heavy-duty/ceremony
docs: distinguish window fan-out from collision chains
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2 changed files with 16 additions and 9 deletions
13
RELEASES.md
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RELEASES.md
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@ -76,10 +76,15 @@ still see one deliberately ordered queue.
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While a window stands — an open release-labeled issue with a non-empty
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While a window stands — an open release-labeled issue with a non-empty
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enumerated gate — its members form a DAG whose sink is the release issue.
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enumerated gate — its members form a DAG whose sink is the release issue.
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Every member reaches that sink; ordering edges live on members, while the sink
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Every member reaches that sink. Members declare only their immediate
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records membership only; and the `ready` set is exactly the graph's sources.
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predecessors; ordering edges live on members, while the sink records membership
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It follows that every `ready` issue is a gate member. `epic` and `post-merge`
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only; and the `ready` set is exactly the graph's current sources. Every close
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issues are exempt because neither is claimable (#292).
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releases exactly its declared successors, and that whole set is concurrently
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claimable: a member may have multiple successors, while the collision rule
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already orders any that share a deliverable. Insertion re-points downstream
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edges rather than merely appending membership at the sink. It follows that
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every `ready` issue is a gate member. `epic` and `post-merge` issues are exempt
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because neither is claimable (#292).
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The operator may declare a parallel track at init when its footprint is
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The operator may declare a parallel track at init when its footprint is
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disjoint from the primary window: another repository, another artifact, or
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disjoint from the primary window: another repository, another artifact, or
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12
TRIAGE.md
12
TRIAGE.md
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@ -99,11 +99,13 @@ Every issue you mint carries, in this order:
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alternative for disjoint regions. This keeps every `ready` issue
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alternative for disjoint regions. This keeps every `ready` issue
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concurrently claimable and makes each close release one successor (#288).
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concurrently claimable and makes each close release one successor (#288).
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During a standing release window, every mint also gets a binary membership
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During a standing release window, every mint also gets a binary membership
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call in the same tick. A non-member names the release issue as its blocker.
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call in the same tick. A non-member names the release issue as its blocker
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A member is placed by naming its member predecessors on the new issue,
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in its own Dependencies. A member is placed with three writes: the new issue
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adding or re-pointing every downstream member's dependency to the new issue
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names its immediate member predecessors; every downstream member adds or
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(inserting X into A → B makes A → X → B, never a fan), and adding the new
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re-points its dependency to the new issue, dropping any predecessor the new
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issue to the release issue's gate; collision and window edges are
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issue now reaches (inserting X into A → B makes A → X → B, so B drops A);
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and the release issue adds the new issue to its gate, recording membership
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only. A member may have multiple successors. Collision and window edges are
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independent, so write both when both apply (#292).
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independent, so write both when both apply (#292).
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- **Labels**: type (`bug`/`enhancement`/`documentation`), `scope:*`, and
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- **Labels**: type (`bug`/`enhancement`/`documentation`), `scope:*`, and
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exactly one of `ready` / `blocked` (see [LABELS.md](LABELS.md)).
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exactly one of `ready` / `blocked` (see [LABELS.md](LABELS.md)).
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