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Comment:Merge pull request #500 from danmestas/feat/list-files-in-cone

feat: list a check-in's files in a cone

Timelines: family | ancestors | descendants | both | main | trunk
Files: files | file ages | folders
SHA3-256: e90c972c40e6dd742e8ced3ec72eb4dbe8af13ff46a5b6196ce40adff4807074
User & Date: [email protected] on 2026-10-26 00:01:54.000
Other Links: branch diff | manifest | tags
Context
2026-10-26
00:11
Merge pull request #501 from danmestas/perf/submanifest-node-memo

perf(manifest): memoize parsed sub-manifests by hash check-in: d82fddda6a user: [email protected] tags: main, trunk

00:02
perf(manifest): memoize parsed sub-manifests by hash

draft-fossil-submanifests-00 §7.4: enumeration results SHOULD be cached keyed by artifact name, so a rebuild parses each distinct sub-manifest once. The tree walk's loader now serves a resolved node from, and keeps it in, a new byte-bounded LRU memo on content.Cache (DerivedSized), keyed by the node's hash and charged its bytes, within a quarter of the cache's budget. The existing 32-entry Derived FIFO is sized for a few parsed check-ins; a tree's working set is every distinct node, which would thrash it and evict those check-ins.

Only a node that resolved is kept, so a phantom is looked up afresh and fails the walk as before. Depth, cycle and node-count bounds stay per walk. The memo is dropped with Derived on Invalidate and Clear, and the Repo's cache is replaced at every write.

Listing a tree that differs from one already read in one leaf now parses its manifest and that leaf; listing every check-in of zit's recorded tree history parses 48 sub-manifests instead of 109. SM-7.4-1 is covered.

Tracked in #493. check-in: 94f61db228 user: [email protected] tags: main, trunk

00:01
Merge pull request #500 from danmestas/feat/list-files-in-cone

feat: list a check-in's files in a cone check-in: e90c972c40 user: [email protected] tags: main, trunk

2026-10-25
23:53
feat: list a check-in's files narrowed to a cone

Repo.ListFilesIn passes the public Cone to the enumeration seam as the range predicate (draft-fossil-sparse-cone-00 §4.1). On a tree manifest the walk skips sub-manifests the cone cannot reach (§4.5), so over a sparse store it succeeds where ListFiles fails on an elided node. It reads through the attached content cache, via a new internal manifest.ListFilesFilteredCached.

Tracked in #491. check-in: 7156492179 user: [email protected] tags: main, trunk

23:44
Merge pull request #499 from danmestas/ci/race

ci: run the unit suite under -race; give packages 10m check-in: 612977a2d6 user: [email protected] tags: main, trunk

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