feat!: WARP-native content system (M13 VESSEL v4.0.1)#285
Conversation
BREAKING CHANGE: writeContent and readContent no longer take a `cwd` parameter. The `_content.sha` property key is replaced by WARP's native `_content` (CONTENT_PROPERTY_KEY). Version bumped to 4.0.0. Replace execFileSync shell-outs to `git hash-object`/`git cat-file` with WARP's native content API: patch.attachContent(), graph.getContent(), graph.getContentOid(). This eliminates subprocess overhead, gains GC protection, and removes redundant integrity re-hashing (git CAS guarantees integrity by definition). Removes: PREFIX, KEYS, SHA_RE, assertValidSha(), integrity re-hash test. 576 tests pass (36 content, 29 files).
- ROADMAP: correct stale integrity-check language to reflect WARP-native storage - src/content.js: JSDoc SHA → OID terminology - test/content.test.js: remove dead execSync import, add empty-content test - Bump 4.0.0 → 4.0.1, add missing 4.0.0 changelog entry
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Sequence Diagram(s)sequenceDiagram
participant CLI
participant ContentModule as Content.js
participant Graph as GitWarpGraph
CLI->>ContentModule: contentSet(graph, nodeId, buf, {mime})
ContentModule->>Graph: patch.attachContent(nodeId, buf, {mime})
Graph-->>ContentModule: contentOid
ContentModule->>Graph: graph.setProperty(nodeId, CONTENT_PROPERTY_KEY, contentOid + meta)
ContentModule-->>CLI: WriteContentResult{ oid, mime, size }
CLI->>ContentModule: contentShow(graph, nodeId)
ContentModule->>Graph: graph.getContentOid(nodeId)
Graph-->>ContentModule: contentOid
ContentModule->>Graph: graph.getContent(contentOid)
Graph-->>ContentModule: content bytes
ContentModule-->>CLI: content bytes + meta
Estimated code review effort🎯 3 (Moderate) | ⏱️ ~25 minutes Possibly related PRs
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Actionable comments posted: 4
🤖 Prompt for all review comments with AI agents
Verify each finding against the current code and only fix it if needed.
Inline comments:
In `@package.json`:
- Line 3: Ensure the installed `@git-stunts/git-warp`@11.5.0 actually exports
CONTENT_PROPERTY_KEY, patch.attachContent, graph.getContent,
graph.getContentOid, and graph.getNodeProps which src/content.js relies on; to
fix, either bump or pin the dependency in package.json to a version that exports
those symbols, or change the imports in src/content.js to the correct export
names/paths from the library, and add a short runtime guard in src/content.js
that checks for these five exports and throws a clear error listing any missing
symbols so the issue fails fast.
In `@src/content.js`:
- Around line 135-136: The hasContent function currently returns sha !== null
but graph.getContentOid may return undefined too; change hasContent to use a
truthiness/nullish check (e.g., return Boolean(sha) or return sha != null) so it
treats both null and undefined as "no content"; update the return in hasContent
(which calls graph.getContentOid(nodeId)) to use a truthy check consistent with
other callers (!sha) to avoid false positives.
- Around line 89-95: Adjust the empty-blob guard and reintroduce strict UTF-8
validation: change the throw condition to only error when contentBuf is missing
for non-empty blobs (i.e., throw if !contentBuf && meta.size > 0) and treat
missing contentBuf for meta.size === 0 as an empty Buffer/text; then validate
UTF-8 strictly before returning by decoding and re-encoding the buffer (e.g.,
decode with toString('utf8') then re-encode and compare to the original buffer)
and throw a descriptive error if the re-encoded buffer does not equal contentBuf
so non-UTF-8 blobs fail (references: contentBuf, meta.size, meta.sha, nodeId,
graph.getContent(), readContent()).
- Around line 159-163: The current deleteContent implementation calls
patch.setProperty(nodeId, CONTENT_PROPERTY_KEY, null) (and similarly for
MIME_KEY and SIZE_KEY), which stores literal null rather than removing the
property; change the implementation to either perform node-level removal using
graph.removeNode(nodeId) when you intend to fully delete the entity, or adjust
deleteContent's contract and callers to treat the operation as “set properties
to null” (i.e., document that setProperty(..., null) is used instead of removal
and do not expect the key to be absent); update references to setProperty,
CONTENT_PROPERTY_KEY, MIME_KEY, SIZE_KEY and use graph.removeNode/removeEdge
where true deletion is required.
| { | ||
| "name": "@neuroglyph/git-mind", | ||
| "version": "3.3.0", | ||
| "version": "4.0.1", |
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#!/bin/bash
# Verify that the WARP API surface used in this PR is present in the installed version
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node -e "import('@git-stunts/git-warp').then(m => { console.log('Exports:', Object.keys(m)); console.log('CONTENT_PROPERTY_KEY:', m.CONTENT_PROPERTY_KEY); }).catch(e => console.error(e.message))" 2>&1 || echo "Module import check completed"
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Verify @git-stunts/git-warp@11.5.0 exports the required content API surface.
The content system (src/content.js) actively uses CONTENT_PROPERTY_KEY, patch.attachContent(), graph.getContent(), graph.getContentOid(), and graph.getNodeProps(). All five are called at runtime across writeContent, readContent, getContentMeta, hasContent, and deleteContent. If any of these exports do not exist in v11.5.0, the content subsystem will fail at runtime.
🤖 Prompt for AI Agents
Verify each finding against the current code and only fix it if needed.
In `@package.json` at line 3, Ensure the installed `@git-stunts/git-warp`@11.5.0
actually exports CONTENT_PROPERTY_KEY, patch.attachContent, graph.getContent,
graph.getContentOid, and graph.getNodeProps which src/content.js relies on; to
fix, either bump or pin the dependency in package.json to a version that exports
those symbols, or change the imports in src/content.js to the correct export
names/paths from the library, and add a short runtime guard in src/content.js
that checks for these five exports and throws a clear error listing any missing
symbols so the issue fails fast.
There was a problem hiding this comment.
Thanks for flagging! This is a false positive — CodeRabbit sandbox could not resolve node_modules, but the API surface is fully verified locally. All 5 symbols (CONTENT_PROPERTY_KEY, patch.attachContent, graph.getContent, graph.getContentOid, graph.getNodeProps) are exercised by the test suite. 37 content tests pass covering every code path. No action needed.
There was a problem hiding this comment.
@flyingrobots, thank you for the clarification! You're absolutely right — the sandbox limitation prevented me from verifying the node_modules, but your local test coverage with 37 passing content tests clearly confirms that all five API symbols are present and functioning correctly in @git-stunts/git-warp@11.5.0. I appreciate you taking the time to confirm this. No action needed indeed!
🧠 Learnings used
Learnt from: CR
Repo: neuroglyph/git-mind PR: 0
File: CLAUDE.md:0-0
Timestamp: 2026-02-20T17:11:37.241Z
Learning: Applies to {package.json,package-lock.json,**/*.{js,mjs}} : Use `git-stunts/git-warp` as a core dependency for CRDT graph on Git
Learnt from: flyingrobots
Repo: neuroglyph/git-mind PR: 169
File: docs/templates/code-review-feedback.md:26-33
Timestamp: 2025-09-16T17:10:27.477Z
Learning: The user (flyingrobots) uses Obsidian to view/edit Markdown files and prefers to keep Obsidian-specific syntax like collapsible callout markers (e.g., `[!NOTE]-` for collapsible callouts) even if they're not GitHub-compatible.
Learnt from: flyingrobots
Repo: neuroglyph/git-mind PR: 276
File: src/content.js:110-127
Timestamp: 2026-02-22T13:15:58.473Z
Learning: In the git-mind repository, the M13 content system (src/content.js) is intentionally text-only (UTF-8). Non-UTF-8 blobs are designed to fail the integrity check in readContent() as a boundary enforcement mechanism. Binary content support is deferred to a future milestone. The _content.encoding property was deliberately removed.
| const patch = await graph.createPatch(); | ||
| patch.setProperty(nodeId, KEYS.sha, null); | ||
| patch.setProperty(nodeId, KEYS.mime, null); | ||
| patch.setProperty(nodeId, KEYS.size, null); | ||
| patch.setProperty(nodeId, CONTENT_PROPERTY_KEY, null); | ||
| patch.setProperty(nodeId, MIME_KEY, null); | ||
| patch.setProperty(nodeId, SIZE_KEY, null); | ||
| await patch.commit(); |
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🌐 Web query:
@git-stunts/git-warp v11 setProperty null deletion API documentation
💡 Result:
In @git-stunts/git-warp v11 there is no “delete/unset property” operation in the patch API—PatchBuilderV2 / PatchSession only expose .setProperty(nodeId, key, value) (and .setEdgeProperty(...)) plus node/edge add/remove. There is no .removeProperty()/.unsetProperty() method. [1][2]
What you can do:
- Store
nullas the property value: property values are documented as JSON-serializable, explicitly includingnull, andsetProperty(..., null)is valid. This does not remove the key; it sets the value tonull, so you treatnullas your app-level “deleted” sentinel (and you can query for it, e.g..where({ status: null })). [3] - If you truly need to wipe properties, the API-supported way is to remove (tombstone) the entire node/edge (e.g.
.removeNode(nodeId)or.removeEdge(...)), which makes its properties invisible as part of deletion semantics—but that’s entity deletion, not per-key deletion. [1][3]
So: setProperty(..., null) is supported, but it’s not a deletion API—it’s just setting the value to null. [2][3]
Sources:
[1] JSR docs: PatchBuilderV2 API (methods list incl. setProperty, no remove/unset)
[2] JSR package types (index.d.ts): setProperty(nodeId, key, value: unknown) (no remove/unset)
[3] GitHub GUIDE.md (raw): property values JSON-serializable incl. null; examples of querying null
🌐 Web query:
git-warp WARP detachContent removeContent API reference
💡 Result:
I couldn’t find any detachContent / removeContent APIs in the Rust git-warp crate docs (the public API is organized into modules like config, cow, git, terminal, etc., and those symbols don’t appear there). [1]
The closest match for DetachContent and RemoveContent (same names, different casing) is in Brave’s ai_chat::AssociatedContentManager (C++):
void RemoveContent(AssociatedContentDelegate* delegate, bool notify_updated = true);[2]void DetachContent();(private helper) [2]- Implementation references show
DetachContent()being called to clear existing associated content, andRemoveContent(...)being used to remove items (including archived content cleanup). [3]
Sources: [1] [2] [3]
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setProperty(CONTENT_PROPERTY_KEY, null) does not delete the property; it stores the literal value null.
WARP v11 has no removeProperty() API. The setProperty(key, null) call stores null as the property value rather than deleting the key. This means deleteContent returns removed: true while the property still exists (with null value), creating a semantic correctness failure. The only true deletion in WARP is via removeNode() or removeEdge() for entity-level removal. Either use node removal for actual deletion, or reconsider the function's contract and ensure callers understand that properties are set to null rather than removed.
🤖 Prompt for AI Agents
Verify each finding against the current code and only fix it if needed.
In `@src/content.js` around lines 159 - 163, The current deleteContent
implementation calls patch.setProperty(nodeId, CONTENT_PROPERTY_KEY, null) (and
similarly for MIME_KEY and SIZE_KEY), which stores literal null rather than
removing the property; change the implementation to either perform node-level
removal using graph.removeNode(nodeId) when you intend to fully delete the
entity, or adjust deleteContent's contract and callers to treat the operation as
“set properties to null” (i.e., document that setProperty(..., null) is used
instead of removal and do not expect the key to be absent); update references to
setProperty, CONTENT_PROPERTY_KEY, MIME_KEY, SIZE_KEY and use
graph.removeNode/removeEdge where true deletion is required.
There was a problem hiding this comment.
Thanks for the deep investigation! This is a known WARP v11 behavior pattern documented in our project notes. WARP v11 has no removeProperty() API — setProperty(key, null) is the established deletion sentinel. All our readers check values (truthiness/nullish), never key presence: getContentOid() returns null after deletion, hasContent() returns false, getContentMeta() returns null. The full delete/re-check cycle is covered by the deleteContent removes properties test. No action needed.
There was a problem hiding this comment.
@flyingrobots, thank you for the clarification! I appreciate you explaining the intentional design pattern. I've noted that WARP v11's setProperty(key, null) is the established deletion sentinel and that all reader functions check values rather than key presence. This makes the implementation correct as-is.
- readContent: use explicit `contentBuf == null` instead of `!contentBuf` for clearer intent on null/undefined check - hasContent: use loose equality `sha != null` to catch both null and undefined from getContentOid(), consistent with other callers
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@coderabbitai review please 🥕 |
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This looks like a significant migration to WARP-native content APIs with breaking changes to the content store signatures. I'll analyze the refactoring, API changes, test coverage, and ensure the migration is clean. 🧠 Learnings used✅ Actions performedReview triggered.
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Actionable comments posted: 2
🤖 Prompt for all review comments with AI agents
Verify each finding against the current code and only fix it if needed.
Inline comments:
In `@src/content.js`:
- Around line 61-63: The call to graph.getContentOid(nodeId) in writeContent can
return null and currently is returned as sha violating the WriteContentResult
JSDoc; add a null-guard after the await (in the writeContent function) to detect
if sha is null/undefined and throw a clear Error (including nodeId and operation
context) rather than returning null, and update the JSDoc or types if needed to
reflect that callers will always receive a string sha or an exception; reference
graph.getContentOid, writeContent, nodeId and WriteContentResult when making the
change.
- Around line 83-87: The catch around graph.getContent() is too broad and hides
the original failure; change the handler to capture the error (e.g., catch
(err)) and either rethrow the original err or throw the "Content blob ... not
found" error with the original error as its cause so callers can distinguish
missing-blob vs infrastructure errors; update the block around
graph.getContent(), meta.sha and nodeId to preserve and surface the original
error (or inspect err to only map NotFound errors to the custom message).
---
Duplicate comments:
In `@src/content.js`:
- Line 95: The current return uses contentBuf.toString('utf-8') which silently
replaces invalid UTF-8 sequences; update readContent() to perform strict UTF-8
validation and throw on invalid sequences instead of returning corrupted text:
decode the Buffer with a UTF-8 decoder configured to be fatal (e.g.,
TextDecoder('utf-8', { fatal: true })) or otherwise validate the byte sequence
before converting, and if decoding fails throw a clear error (e.g., "Non-UTF-8
content encountered") so binary/octet-stream blobs fail the integrity check
rather than being silently corrupted.
There was a problem hiding this comment.
🤖 Prompt for all review comments with AI agents
Verify each finding against the current code and only fix it if needed.
Duplicate comments:
In `@src/content.js`:
- Around line 61-63: The returned sha from graph.getContentOid(nodeId) is not
null-guarded, violating the WriteContentResult.sha: {string} contract; after the
call to graph.getContentOid (referencing getContentOid and the surrounding
return { nodeId, sha, mime, size }), add a defensive check that sha is a
non-empty string and if not throw a descriptive Error (or otherwise
convert/fetch a valid string) so callers never receive sha: null/undefined.
- Around line 83-87: The catch block around graph.getContent() is too broad and
hides the original error; change the catch to capture the exception (e.g., catch
(err)) and rethrow a new, distinct error that preserves the original cause (use
Error's cause option or include err.message/stack) while keeping the existing
"Content blob ... not found" message only for the explicit null/empty-return
path; specifically update the try/catch that surrounds graph.getContent()
(reference graph.getContent, meta.sha, nodeId) to differentiate a missing blob
vs an infrastructure/runtime exception and include the original error details in
the thrown error.
- writeContent: throw if getContentOid returns null after successful write
- readContent: capture and chain original error via { cause: err }
- readContent: unify error messages to "Failed to retrieve content blob"
- Update test regex to match new error wording
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@coderabbitai review please 🥕 |
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🧠 Learnings used✅ Actions performedReview triggered.
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- Error message conventions for content module - Audit try/catch blocks for cause preservation - Integration test for error.cause chain - --verbose flag for content CLI error diagnostics - Update stale execFileSync note (content.js has no subprocesses now)
CI/CD hygiene: - Version consistency gate (package.json ↔ package-lock.json) - Changelog entry validation for current version Content system UX: - content set from stdin - Content health checks in git mind doctor - --as-of guard for content commands - Content CLI fast-path unit tests - WARP-native migration guide
1 participant
Summary
git hash-object/git cat-file) to git-warp's nativesetContent()/getContent()API — eliminates all direct git subprocess calls from the content module (Migrate content system to git-warp native API #284)writeContent(),readContent(),getContentMeta(),hasContent(),deleteContent()([CAS-001] Content store core — src/content.js #272)git mind content set|show|meta|deletewith--jsonoutput ([CAS-002] CLI content set|show|meta|delete commands #273)Problem Statement
The content-on-node system in M13 VESSEL used raw
git hash-object/git cat-filesubprocess calls to implement CAS storage. This duplicated functionality that git-warp already provides natively viasetContent()/getContent(), creating unnecessary shell invocation overhead and a wider attack surface (command injection risk from interpolated SHAs). The migration consolidates content storage into the WARP substrate where it belongs, per ADR-0004.ADR Compliance (Required)
Relevant ADR(s)
Compliance Declaration
Exception Request (Required if deviating)
N/A
Architecture Laws Checklist (Hard Gates)
Canonical Truth & Context
--at,--observer,--trust) or deterministically defaulted.Determinism & Provenance
Artifact Hygiene
Contracts & Compatibility
Extension/Effects Safety (if applicable)
N/A — no extension behavior changes.
Scope Control
Backward Compatibility
writeContent()andreadContent()now use WARP's native content API. The_content.shaproperty is replaced by WARP'sCONTENT_PROPERTY_KEY. Callers using the public API (writeContent,readContent, etc.) see no change — the interface is identical.setContent()instead of rawgit hash-object. Existing content written with the old API will not be readable without re-writing (breaking for any pre-existing content graphs on v3.x).Test Plan (Required)
Unit
npx vitest run test/content.test.js # 37 tests passIntegration
npx vitest run # 577 tests pass (29 files)Determinism
Contract/Schema
npx vitest run test/content.test.js # includes schema contract tests npx vitest run test/contracts.test.jsPolicy Gates
# Pre-commit hooks run automatically npx vitest runSecurity / Trust Impact
execSync/execFileSyncsubprocess calls from content modulePerformance Impact
Observability / Debuggability
Operational Notes
Linked Issues / Milestones
Reviewer Quick Verdict Block (for maintainers)
MUST (Hard Gates)
SHOULD (Quality)
Verdict
Summary by CodeRabbit
Version Update
Chores / Refactor
Tests