| Comment: | Sub-manifest: walk a tree manifest behind the enumeration facade
Implements draft-fossil-submanifests-00 sections 5.1 through 5.6: a stack walk over S runs with the section's depth bound, cycle check, strict ascent and first-filename identity, resolving sub-manifests through the existing baseline resolver. A tree that fails any check fails whole, so a partial enumeration is never presented as a file set. The walk sits in a pre-pass at the facade, leaving enumerate, lookup and their call sites untouched as section 9.3 requires. R-card verification runs over the walked enumeration. Step 5's cursor advance follows the erratum submanifests-00-s5.1-step5-cursor-advance: as published, step 5 omitted it, and no tree carrying an interior node could be walked. |
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| Timelines: | family | ancestors | descendants | both | sub-manifest |
| Files: | files | file ages | folders |
| SHA3-256: |
d1f955aaf353d7da07459e040b9ec331 |
| User & Date: | dmestas on 2026-07-27 21:40:55.106 |
| Other Links: | branch diff | manifest | tags |
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2026-07-28
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| 00:45 |
Sub-manifest: canonical tree construction, inert behind the emission gate
Implements draft-fossil-submanifests-00 section 6: zbits over the decoded filename, the group scan with its MIN/MAX member bounds, and the final-group merge. One scan serves height 0 and every height above it, so the merge applies uniformly rather than through two code paths that can drift; appendix A.4 is the vector that fails when they do. Construction emits filenames through a minimal encoder scoped to its own output only. Existing emission keeps the escaping it has always used, so no check-in already written changes its bytes. R cards are emitted for tree manifests alone. Nothing emits yet: the construction is wired behind a disabled flag, leaves stored before the nodes that reference them. The gate that turns it on is a later change. Tests pin k = 3, the value the appendix vectors use, and cover byte-identity against A.2, A.3 and A.4, determinism across repeated builds, and a constructed tree walking back to the entries it partitioned. check-in: 9d7992613f user: dmestas tags: sub-manifest | |
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2026-07-27
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| 21:40 |
Sub-manifest: walk a tree manifest behind the enumeration facade
Implements draft-fossil-submanifests-00 sections 5.1 through 5.6: a stack walk over S runs with the section's depth bound, cycle check, strict ascent and first-filename identity, resolving sub-manifests through the existing baseline resolver. A tree that fails any check fails whole, so a partial enumeration is never presented as a file set. The walk sits in a pre-pass at the facade, leaving enumerate, lookup and their call sites untouched as section 9.3 requires. R-card verification runs over the walked enumeration. Step 5's cursor advance follows the erratum submanifests-00-s5.1-step5-cursor-advance: as published, step 5 omitted it, and no tree carrying an interior node could be walked. check-in: d1f955aaf3 user: dmestas tags: sub-manifest | |
| 19:29 |
Sub-manifest: card alphabet, artifact type, and the specification's vectors
Adds S as the twenty-second card letter and SUBMANIFEST as the ninth artifact type, per draft-fossil-submanifests-00 sections 3 and 4. Type determination reassigns after the card scan rather than during it, so no type is committed while cards are still being read (section 9.1). Reading and classification only: no tree walk, no emission. The draft's seven appendix vectors ship alongside, each named by the SHA3-256 the draft states and checked by a test that recomputes it. check-in: 9b8bad477a user: dmestas tags: sub-manifest | |