Reconstruct the Whole Artifact Index from Storage — .datom_rebuild

One storage listing plus two reads per artifact. The result is a complete manifest in this build's shape: the artifact rows, the summary counters recomputed from them, and the current format declared.

Usage

.datom_rebuild_manifest(conn, prior = NULL)

Arguments

conn: A datom_conn object.
prior: The document being replaced, or NULL.

Value

A manifest in current shape.

Details

project_name and updated_at are carried from the document being replaced when it has them. Both are recorded facts about the repo rather than about the artifacts, so neither is recoverable from a listing – and inventing a fresh updated_at would state that the index was rewritten now, when nothing was written at all.

Aborts rather than returning a partial index. Half an artifact list is indistinguishable from a repo that only has half those artifacts, and the caller's job is to decide what an unreachable store means – see .datom_read_manifest(), which keeps a schema refusal separate from an IO failure on the way back out.