a056918be6
The Unity list no longer calls MarkFlushSucceeded removed and places HeaderFor and the CacheBackingStore members where apicompat finds them. cultnet-rs gains a CHANGELOG. The store-composition contract moves DecodeDocument to the codec and states that a call's registry serves that call only. Docs only. Co-Authored-By: Claude Sonnet 5.5 <noreply@anthropic.com>
23 lines
1.7 KiB
Markdown
23 lines
1.7 KiB
Markdown
# Changelog
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All notable changes to `cultcache-rs` are recorded here, following
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[Keep a Changelog](https://keepachangelog.com/en/1.1.0/). Earlier releases are recorded
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only in git history.
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## Unreleased
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### Breaking
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- A single-file store written as `cultcache.store.v3` is read and written: a record that holds an element id (an owned list element with an `[CultElementId]` member, carried through every write) marks the store v3, and a v3 store is carried through a rewrite with its ids. A runtime from before this change refuses a v3 store by name.
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- A write over a file the reader refuses (a zero-byte file, a truncated store, a stamp this runtime does not read) refuses with `CultCacheStoreUnreadable` and leaves the file as it is. A whole-store write used to replace such a file. This reverses 0.3.1, where `push_all` replaced a file with no readable stamp (healing it); the stamp rule now has one owner, the reader every write asks under the lock, and it accepts v1 and v3 (0.3.1 refused v3).
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### Added
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- `SchemaConflictError`, the typed refusal of a write the catalog cannot describe: records of different types under one schema id, or an arrived schema and a registered one that share an id and disagree on the schema name. A whole-store write (`push_all`) refuses with it, names the schema id, the names involved and a record key, writes nothing and leaves the file as it is. A caller tells it apart with `error.downcast_ref::<SchemaConflictError>()`.
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## [0.3.1]
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### Fixed
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- `push_all` reads the store's header under the lock and refuses a format this runtime does
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not read, with `CultCacheStoreUnreadable` `UnsupportedFormat`, leaving the file as it was.
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A file with no readable stamp is still replaced, so a whole write heals it.
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