laantungir/ngit-grasp

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DanConwayDev 19dd74c610 fix(purgatory): guard repository deletion during announcement expiry

Expired replacements and restored checkpoints can refer to repository views
that already serve admitted announcements. Expiry must protect those views
while still removing abandoned directories regardless of who created them.

Take the repository lifecycle lock and try an identifier activity writer,
query admission for the complete owner/identifier coordinate, then recheck
the candidate ID and deadline under its entry lock. Admission, uploads,
fetching and promotion hold shared activity guards through their mutations.
A nonblocking writer permits nested processing without lock inversion.

In both expiry phases, delete views only when no announcement is admitted.
Retain pending entries for retry on query or deletion failures. Checkpoint
age and historical creation ownership do not exempt directories from expiry.
Retire already admitted or superseded candidates without marking them expired.
Promotion rechecks view existence after acquiring its guard so queued work
cannot advertise a directory removed by expiry.

Explicit deletion handling, repair of already missing admitted views, and
scanning directories without pending entries are outside this change. The
reported deployment incident's cause remains unconfirmed.

Validation: 14 focused expiry regressions pass, including legacy checkpoints,
preexisting views, both-phase retries, changing admission, concurrent lifecycle
activity and queued promotion. Formatting and git diff --check pass. Earlier
revision passed full local suites and CI; these were not rerun for this policy
correction. No fixed sleeps were added.

Assisted-by: GPT-6

2026-10-28 21:28:17 +00:00

explanation

fix(purgatory): guard repository deletion during announcement expiry

2026-10-28 21:28:17 +00:00

grafana

feat(sync): Phase 6 - observability and production readiness

2025-12-04 18:43:49 +00:00

how-to

docs(release): require stable branch updates for releases

2026-10-27 11:11:44 +00:00

learnings

docs: remove obsolete archive and migration materials

2026-09-24 06:52:36 +00:00

reference

fix(logging): omit raw relay payloads from SDK diagnostics

2026-09-24 10:56:44 +00:00

tutorials

docs: use Diátaxis structure

2025-11-04 10:25:53 +00:00

README.md

docs: remove obsolete archive and migration materials

2026-09-24 06:52:36 +00:00

README.md

ngit-grasp Documentation

Welcome to the ngit-grasp documentation! We use the Diátaxis framework to organize our documentation into four types, each serving a different purpose.

                    PRACTICAL          THEORETICAL
                    ─────────          ───────────
                    
LEARNING      │   Tutorials    │    Explanation   │
              │                │                  │
              │  Getting       │   Architecture   │
              │  Started       │   Decisions      │
              │                │                  │
              ├────────────────┼──────────────────┤
              │                │                  │
WORKING       │  How-To        │    Reference     │
              │  Guides        │                  │
              │                │   API Docs       │
              │  Deployment    │   Protocols      │
              │  Testing       │                  │
              │                │                  │

📚 Documentation Types

🎓 Tutorials - Learning by Doing

Purpose: Learn the basics through practical steps
For: Newcomers getting started
Style: Step-by-step lessons with guaranteed outcomes

Getting Started - Your first ngit-grasp setup
Running Your First Audit - Using grasp-audit tool

🔧 How-To Guides - Solving Problems

Purpose: Accomplish specific tasks
For: Users with basic knowledge solving real problems
Style: Practical recipes and solutions

Deploy ngit-grasp - Choose Docker, NixOS, Linux, Proxmox, or managed hosting
Deployment contract - Shared runtime and persistence requirements
Configure Nix Flakes - Nix development environment
Run Compliance Tests - GRASP compliance testing
Upgrade nostr-sdk - Handling SDK upgrades

📖 Reference - Technical Information

Purpose: Look up technical details
For: Users who know what they're looking for
Style: Dry, factual, comprehensive

Git Protocol - Git Smart HTTP protocol details
GRASP Protocol - GRASP specification details
Configuration - All config options
API Reference - Internal API documentation

💡 Explanation - Understanding Concepts

Purpose: Understand the "why" and design decisions
For: Users wanting deeper understanding
Style: Discussion, context, alternatives

Architecture Overview - System design and components
Inline Authorization - Why we chose this approach
Administration Vision - Nostr-authenticated management, embedded UI, and runtime configuration
Comparison with ngit-relay - How we differ from reference
Design Decisions - Key architectural choices

🚀 Quick Start Paths

I'm brand new to ngit-grasp

Read README.md for project overview
Follow Getting Started Tutorial
Understand Architecture Overview

I want to deploy ngit-grasp

Review Configuration Reference
Choose an environment in Deploy ngit-grasp
Verify the deployment and test its backup

I want to develop on ngit-grasp

I want to understand the design

I'm looking for specific information

Protocol details? → Reference
Configuration options? → Configuration Reference
Git protocol? → Git Protocol Reference

📂 Additional Resources

Learnings

DEPRECATED - Being migrated to Diátaxis structure:

Gotchas → How-To Guides
Patterns → Reference or Explanation
Notes → Appropriate category

🤝 Contributing to Documentation

When adding documentation, ask yourself:

Is it a tutorial?

Does it teach a beginner?
Is it a complete lesson with guaranteed outcome?
→ Add to tutorials/

Is it a how-to guide?

Does it solve a specific problem?
Is it a recipe for accomplishing a task?
→ Add to how-to/

Is it reference material?

Is it technical information?
Will people look it up when needed?
→ Add to reference/

Is it explanation?

Does it explain "why"?
Does it discuss alternatives or design?
→ Add to explanation/

See Diátaxis documentation for more guidance.

📊 Project Status

ALPHA - Under active development. Core functionality working, API may change.

Completed

✅ grasp-audit compliance testing tool
✅ Nix flake development environment
✅ nostr-sdk 0.43 upgrade
✅ Documentation restructure (Diátaxis)

In Progress

🔄 Core ngit-grasp server implementation
🔄 GRASP-01 compliance

Planned

🔜 GRASP-02 (Proactive Sync)
🔜 GRASP-05 (Archive)

🔗 External Links

Documentation structure based on Diátaxis
Last updated: November 4, 2025