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ops: set provenance and timestamp on delete and rename tombstones

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delete_node and rename_node were cloning the previous node version
for the tombstone/rename entry without updating provenance or
timestamp. This made it impossible to tell who deleted a node or
when — the tombstone just inherited whatever the last write had.

Now both operations derive provenance from POC_PROVENANCE env var
(same as upsert) and set timestamp to now.

Co-Authored-By: Kent Overstreet <kent.overstreet@linux.dev>
This commit is contained in:
Kent Overstreet 2026-03-17 18:04:59 -04:00
parent 81fec99767
commit 199c415cf2
1 changed files with 14 additions and 0 deletions
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14
poc-memory/src/store/ops.rs
View file

@ -76,11 +76,17 @@ impl Store {
let _lock = StoreLock::acquire()?;
self.refresh_nodes()?;
let prov = Provenance::from_env()
.map(|p| p.label().to_string())
.unwrap_or_else(|| "manual".to_string());
let node = self.nodes.get(key)
.ok_or_else(|| format!("No node '{}'", key))?;
let mut deleted = node.clone();
deleted.deleted = true;
deleted.version += 1;
deleted.provenance = prov;
deleted.timestamp = now_epoch();
self.append_nodes_unlocked(std::slice::from_ref(&deleted))?;
self.nodes.remove(key);
Ok(())
@ -109,15 +115,23 @@ impl Store {
.ok_or_else(|| format!("No node '{}'", old_key))?
.clone();
let prov = Provenance::from_env()
.map(|p| p.label().to_string())
.unwrap_or_else(|| "manual".to_string());
// New version under the new key
let mut renamed = node.clone();
renamed.key = new_key.to_string();
renamed.version += 1;
renamed.provenance = prov.clone();
renamed.timestamp = now_epoch();
// Deletion record for the old key (same UUID, independent version counter)
let mut tombstone = node.clone();
tombstone.deleted = true;
tombstone.version += 1;
tombstone.provenance = prov;
tombstone.timestamp = now_epoch();
// Collect affected relations and update their debug key strings
let updated_rels: Vec<_> = self.relations.iter()