compozy/skeeper

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<div align="center"> <p> <img src="docs/assets/skeeper-readme-hero.png" alt="skeeper hero showing AI specs syncing into a sidecar Git repository" width="100%"> </p> <p> <a href="https://github.com/compozy/skeeper/actions/workflows/ci.yml"> <img src="https://github.com/compozy/skeeper/actions/workflows/ci.yml/badge.svg" alt="CI"> </a> <a href="https://pkg.go.dev/github.com/compozy/skeeper"> <img src="https://pkg.go.dev/badge/github.com/compozy/skeeper.svg" alt="Go Reference"> </a> <a href="LICENSE"> <img src="https://img.shields.io/badge/License-MIT-blue.svg" alt="License: MIT"> </a> <a href="https://github.com/compozy/skeeper/releases"> <img src="https://img.shields.io/github/v/release/compozy/skeeper?include_prereleases" alt="Release"> </a> </p> </div> Spec docs drift from code, or they bloat every PR. Skeeper picks neither. It mirrors `SPEC.md`, ADRs, RFCs, and AI plan files into a sidecar Git repository and commits a tiny `skeeper.lock` to your main repo that pins every commit to exact sidecar commits. PR diffs stay focused on code, spec history stays auditable, and nothing silently drifts because the managed Git hooks fail the commit if the sidecar state cannot be proven. ## ✨ Highlights - **Lockfile-backed reliability.** `skeeper.lock` records sidecar URL, source branch, namespace branch, sidecar commit, per-namespace digest, file count, and byte count. - **Strict managed hooks.** The managed `pre-commit` and `pre-merge-commit` hooks sync staged content, push the sidecar, write and stage `skeeper.lock`, and fail closed. The managed `pre-push` hook verifies the lock against the sidecar remote. - **Specs stay local to their code.** Edit `SPEC.md`, `docs/specs/**`, `.claude/plans/**`, ADRs, RFCs, or custom globs where they naturally belong. - **Shared sidecars without collisions.** Namespaces isolate stored paths and sidecar branches inside one sidecar remote. - **Branch-aware history.** Namespace branches use `<namespace>/__branches__/<source-branch>`. - **Git-like spec sync.** `skeeper pull` brings remote docs in, applies safe remote deletes, `skeeper push` publishes local docs and safe local deletes, and `skeeper sync` runs pull then push. - **Safe by default.** Push rejects sidecar branches whose remote tip does not match the local `skeeper.lock`; destructive pruning without a known base still requires `--prune`. - **Fresh-clone restore.** `skeeper restore --all` restores files from the exact sidecar commits recorded in `skeeper.lock`. - **Small command surface.** Daily use is `status`, `pull`, `push`, `sync`, `diff`, `reconcile`, `restore`, `track`, `untrack`, `repair`, `log`, and `version`; Git hook plumbing lives behind hidden `skeeper internal` commands. - **Skill for AI agents.** A bundled skill at [`skills/skeeper/SKILL.md`](skills/skeeper/SKILL.md) teaches coding agents the strict-sync workflow, namespaces, and recovery commands. ## 🎯 Who Is This For - Teams using AI coding agents that produce `SPEC.md`, PRD, TechSpec, and plan markdown next to code. - Engineering organizations running ADRs, RFCs, and design docs in-repo without making every PR a docs+code review. - Solo developers who want full spec history (`git log`, `git blame`, branches, PRs) without polluting their main repository's diff. ## 📦 Installation #### Homebrew ```bash brew install compozy/compozy/skeeper ``` #### NPM ```bash npm install -g @compozy/skeeper ``` #### Go ```bash go install github.com/compozy/skeeper/cmd/skeeper@latest ``` #### GitHub Releases Download the archive for your OS and architecture from [GitHub Releases](https://github.com/compozy/skeeper/releases), then place the `skeeper` binary on your `PATH`. #### From Source ```bash git clone git@github.com:compozy/skeeper.git cd skeeper make verify go build -o bin/skeeper ./cmd/skeeper ``` #### Docker ```bash git clone git@github.com:compozy/skeeper.git cd skeeper make docker-build docker run --rm -v "$PWD:/workspace" -w /workspace skeeper:dev status ``` Prerequisites: - `git` on `PATH` - `gh` only when `skeeper init` creates a new GitHub sidecar repo; existing sidecars can be reused with `--sidecar` ## 🔄 How It Works Spec files live in the main worktree but are ignored by the main repository through a managed `.gitignore` block. The sidecar repository stores mirrored files under `<namespace>/<path>` and pushes them to `<namespace>/__branches__/<source-branch>`. On commit, the managed `pre-commit` block runs last. On automatic merge commits, the managed `pre-merge-commit` block runs the same strict sync path because Git does not run `pre-commit` for merge commits. Both hooks build a plan from the staged index plus explicitly owned ignored/untracked spec paths, fetch sidecar refs, verify the sidecar branch still matches `skeeper.lock`, mirror content into `.skeeper/`, commit and push the sidecar, write `skeeper.lock`, and stage that lock before Git creates the main commit. ```mermaid flowchart TD Start([👤 git commit]):::user --> UserHook[🪝 Existing user hook content]:::user UserHook --> Block subgraph Block [📦 Skeeper pre-commit block] direction TB S1[🧮 Reconcile staged specs<br/>+ ownership] --> S2[🔄 Fetch & verify<br/>sidecar base] S2 --> S3[🪞 Mirror namespace files<br/>into .skeeper/] S3 --> S4[📤 Commit & push sidecar] S4 --> S5[🔒 Write & stage<br/>skeeper.lock] end Block --> Commit[✅ Main commit proceeds]:::ok Commit --> Push([🚀 git push]):::user Push --> Verify[🔍 Skeeper pre-push status check]:::skeeper Verify --> Done([🎉 Sidecar checked]):::ok classDef user fill:#dbeafe,stroke:#1d4ed8,color:#0c1e3e classDef skeeper fill:#fef3c7,stroke:#b45309,color:#3b2c00 classDef ok fill:#dcfce7,stroke:#15803d,color:#052e16 class S1,S2,S3,S4,S5 skeeper ``` If sync fails, the commit fails. This is intentional: a committed main change should not silently drift from the sidecar. The audited bypass is `SKEEPER_SKIP=1`; it records `.git/skeeper/bypass.json`, prints a warning, and `status --check`, `repair`, and the managed `pre-push` hook continue to surface stale-lock diagnostics until `skeeper sync` or `skeeper repair` repairs the state. `git commit --no-verify` is unsupported because Git skips all hook code and cannot record an audit trail. ## ⚙️ Configuration `skeeper init` writes `.skeeper.yml` at the repository root. Commit it. ```yaml sidecar: git@github.com:user/myproject-specs.git namespaces: - name: project patterns: - "**/SPEC.md" - "docs/specs/**" - ".claude/plans/**" - "**/*.spec.md" exclude: - "docs/specs/private/**" ``` Advanced operational defaults are optional: ```yaml settings: guardrails: max_files: 100 max_bytes: 10485760 hooks: pre_push_timeout: 30s allow_skip_env: SKEEPER_SKIP namespaces: - name: generated patterns: - "generated/specs/**" respect_gitignore: false ``` Rules: - Unknown keys are rejected. - Every namespace needs a `name` and at least one glob in `patterns`. - `exclude` is the only public exclusion mechanism. Negative globs in `patterns` are rejected. - Ownership must be unique. If two namespaces own the same file, the plan fails and asks for an `exclude` fix. - `respect_gitignore: false` bypasses root `.gitignore`, nested `.gitignore`, `.git/info/exclude`, and global excludes for that namespace. `.git/` and `.skeeper/` are always excluded. Local-only state lives under `.git/skeeper/`: | File | Purpose | | ------------------ | ---------------------------------------------- | | `transaction.json` | Current resumable mutating operation and phase | | `bypass.json` | Latest audited strict-hook bypass | | `hydration.json` | Last locked sidecar blobs hydrated locally | | `rescue/` | Local files moved aside before prune/overwrite | ## 🚀 Quick Start ```bash skeeper init ``` Interactive init asks for the sidecar mode, repository name or URL, namespace, bootstrap command, and optional extra context globs. With flags: ```bash skeeper init \ --sidecar-name myproject-specs \ --visibility private \ --namespace project \ --track "**/SPEC.md" \ --track "docs/specs/**" ``` Use an existing shared sidecar: ```bash skeeper init \ --sidecar git@github.com:user/shared-specs.git \ --namespace project \ --track "**/SPEC.md" ``` Then edit specs and commit normally: ```bash $EDITOR src/auth/SPEC.md git add src/auth/service.go src/auth/SPEC.md git commit -m "auth: design OAuth provider flow" ``` The `pre-commit` and `pre-merge-commit` hooks mirror specs and stage `skeeper.lock`. If a hook stages a new lock, review it and include it in the commit. ## 🛟 Failed Sync Recovery Start with status. It prints the health summary and the next action: ```bash skeeper status --paths ``` Use repair as the single recovery door for broken local state, stale bypasses, hook drift, missing sidecar objects, and interrupted transactions: ```bash skeeper repair skeeper status --check ``` When two clones have different docs and both sides should be preserved, use the union workflow: ```bash skeeper sync git add skeeper.lock git commit -m "skeeper: sync docs" git push ``` ## 📖 CLI Reference The public surface is intentionally small. `status` tells you what is wrong and what to run next; `repair` is the only public recovery door; Git hook and merge-driver plumbing runs through hidden `skeeper internal` commands. <details> <summary><code>skeeper init</code> — Create or connect a sidecar repository</summary> ```bash skeeper init [flags] ``` Run `init` once per main repository. Without flags in an interactive terminal, it opens the guided setup. With flags, it can create a GitHub sidecar or connect an existing remote. `init` installs hooks and merge-driver wiring. | Flag | Default | Description | | ---------------- | --------- | ------------------------------------------------- | | `--sidecar` | | Existing sidecar repository URL | | `--sidecar-name` | | GitHub sidecar repository name or `OWNER/REPO` | | `--visibility` | `private` | GitHub repository visibility | | `--namespace` | | Sidecar namespace for this project | | `--track` | | Managed spec glob; repeat for multiple globs | | `--patterns` | | Compatibility spelling for managed spec globs | | `--bootstrap` | | Optional install command stored in `.skeeper.yml` | </details> <details> <summary><code>skeeper status</code> — Inspect sync health and next action</summary> ```bash skeeper status [--json] [--check] [--paths] ``` Use `status` before guessing. It reports sidecar URL, current branch, lock state, hook health, namespace drift counts, bypass state, active transactions, diagnostics, and a next-action line. `--check` exits non-zero when Skeeper needs action, making it the CI health check. `--paths` includes per-path drift classes such as `local_only`, `local_deleted`, `remote_deleted`, `local_modified`, and `both_modified_conflict`. </details> <details> <summary><code>skeeper pull</code>, <code>push</code>, and <code>sync</code> — Git-like spec convergence</summary> ```bash skeeper pull [--json] [--no-git] skeeper push [--dry-run] [--json] [--commit --message <msg>] [--force] [--prune] skeeper sync [--dry-run] [--json] [--commit --message <msg>] [--force] [--prune] ``` Use `pull` to fetch sidecar refs, materialize remote docs into the working tree, and apply remote deletes when the local file still matches the last hydrated base. It fast-forwards the main repo unless `--no-git` is set. Use `push` to publish local managed docs and safe local deletes, write `skeeper.lock`, and stage the lockfile. It rejects sidecar branches whose remote tip does not match the local lock; run `skeeper pull` or `skeeper sync` first. Use `sync` for the common two-clone flow. It runs a sidecar pull, then a push, so disjoint additions converge and deletions propagate when they can be proven against the hydration base. `--prune` is explicit and destructive: it deletes remote-only sidecar files that are absent locally even when they do not have a trusted local deletion base. </details> <details> <summary><code>skeeper diff</code> and <code>reconcile</code> — Inspect and resolve drift</summary> ```bash skeeper diff [--json] [--namespace <name>] [--class <path-class>...] skeeper reconcile [--dry-run] [--json] [--adopt-local|--prune-local|--merge|--ours|--theirs] ``` Use `diff` to inspect the lock/worktree/base comparison without mutating files. Use `reconcile` when Skeeper blocks on ambiguous local-vs-sidecar drift: `--ours` publishes the local side, `--theirs` applies the sidecar side with rescue where local data would be lost, `--merge` writes conflict markers for both-modified files, `--adopt-local` publishes local-only changes, and `--prune-local` moves local-only files into rescue storage. </details> <details> <summary><code>skeeper restore</code> — Restore local files from locked sidecar state</summary> ```bash skeeper restore <path...> [--dry-run] [--json] skeeper restore --all [--dry-run] [--json] ``` Use `restore <path>` to overwrite selected local files with the content pinned by `skeeper.lock`. Existing local content is moved into rescue storage before overwrite. Use `restore --all` after a fresh clone, bisect, or checkout when you need every locked managed file materialized locally. Use `pull` when you want the latest remote sidecar tip instead of the locked state. </details> <details> <summary><code>skeeper track</code> and <code>untrack</code> — Change managed coverage</summary> ```bash skeeper track <glob> [--namespace <name>] [--exclude <glob>]... [--sync] [--dry-run] [--json] [--force] [--commit --message <msg>] skeeper untrack <path-or-glob>... [--dry-run] [--json] [--force] [--commit --message <msg>] ``` Use `track` to add a managed glob to `.skeeper.yml` and the managed `.gitignore` block. Add `--sync` when matching files already exist and should be published into the sidecar immediately. Use `untrack` when a managed path should stop being tracked in the main repository after the sidecar has the content. </details> <details> <summary><code>skeeper repair</code> — Diagnose and repair local Skeeper state</summary> ```bash skeeper repair [--check] [--json] ``` `repair` handles hook drift, strict-hook bypasses, interrupted transactions, missing local sidecar objects, and rescue reporting. It applies safe repairs automatically and stops on ambiguous overwrite/delete decisions. Use `repair --check` for read-only diagnosis. </details> <details> <summary><code>skeeper log</code>, <code>version</code>, and <code>completion</code> — Utility commands</summary> ```bash skeeper log <path> [--latest] [--source-branch <branch>] skeeper version skeeper completion <bash|fish|powershell|zsh> ``` `log` shows sidecar history for one managed spec path. By default it reads the locked commit; use `--latest` to fetch and inspect the latest namespace branch instead. `version` prints build version, commit, and build date. `completion` is provided by Cobra and generates shell completion scripts. </details> ## 🤖 CI Action Use the same-repository Action to check Skeeper health in CI: ```yaml name: skeeper on: pull_request: push: branches: [main] jobs: check: runs-on: ubuntu-latest steps: - uses: actions/checkout@v4 with: fetch-depth: 0 - uses: compozy/skeeper@v0.2.1 with: args: | status --check --json ssh-private-key: ${{ secrets.SKEEPER_SSH_PRIVATE_KEY }} ``` Credential precedence: 1. `ssh-private-key` writes a temp key and sets `GIT_SSH_COMMAND`. 2. `token` configures HTTPS GitHub credentials. 3. Existing runner Git/SSH credentials are used when neither input is provided. Secrets are masked before configuration. The wrapper downloads the released Skeeper binary for the action ref/tag and delegates the status check to the CLI. ## 🩺 Troubleshooting **`SKEEPER_SKIP=1` was used** Run `skeeper status`, then `skeeper sync`, then `skeeper status --check`. The bypass journal remains visible until sync clears it. **Sidecar push was rejected** Run `skeeper repair --check`. If the failure is safe to repair automatically, run `skeeper repair` after fixing network/auth or sidecar contention. If the report names an ambiguous overwrite/delete decision, inspect the listed files manually and use `skeeper sync` after resolving it. **`skeeper.lock` conflicts during merge** Run `skeeper repair` to ensure hooks and merge-driver wiring are configured, then rerun the merge. Manual editing of scalar sidecar SHAs is unsupported; regenerate the lock through `skeeper sync`. **`skeeper pull` or `skeeper restore` is blocked by local managed files** Run `skeeper status --paths` or `skeeper diff` to inspect exact paths. Use `skeeper sync` when local-only docs or local deletes should be published. Use `skeeper reconcile --ours` or `--theirs` for conflicts. Use `skeeper push --prune` only when the local set is intentionally authoritative and remote-only docs without a trusted local deletion base should be pruned. **`status --check` reports a lock mismatch** The main commit and sidecar remote disagree. Run `skeeper sync`, include the updated `skeeper.lock`, and rerun `skeeper status --check`. **A namespace overlaps another namespace** Move shared files into exactly one namespace by adding `exclude:` entries. Skeeper does not use order-based precedence. ## 🚫 When Skeeper Is the Wrong Tool - Repositories where specs already belong in the main diff and reviewers explicitly want them inline. - Teams that need PR review on the spec content itself before merge — Skeeper mirrors after the main commit succeeds, by design. - Repositories without a stable sidecar Git host: Skeeper fails the commit when the sidecar is unreachable (the audited `SKEEPER_SKIP=1` bypass exists, but it is not a substitute for a working remote). - Storing build artifacts, generated code, or large binaries. Default guardrails cap mutating plans at 100 files and 10 MiB on purpose. ## 🛠️ Development ```bash mise install bun install make hooks-install make verify ``` Common targets: ```bash make fmt make lint make test make build make cover make release-snapshot ``` Contributor guidance, commit conventions, and agent instructions live in [`CLAUDE.md`](CLAUDE.md) and [`AGENTS.md`](AGENTS.md). ## 📄 License [MIT](LICENSE)

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