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codegraph/BUNDLING.md
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ac52fd76c0 Self-contained distribution: bundle Node + node:sqlite, drop better-sqlite3/wasm (closes #238) (#282)
* fix(db): eliminate concurrent-read "database is locked"; add node:sqlite backend (#238)

WAL + busy_timeout were already enabled, so the issue's suggested fix was a
no-op. The real causes, addressed here:

- busy_timeout is now set first (before journal_mode) and lowered 120s -> 5s,
  so open-time pragmas wait out a lock instead of hanging for two minutes.
- getCodeGraph no longer opens a second connection to the default project when
  a tool passes its own projectPath (the in-process lock amplifier).
- The wasm fallback (no WAL) gets a bounded read-retry on SQLITE_BUSY.
- New: node:sqlite backend, preferred over wasm, so installs whose native
  better-sqlite3 build fails land on a real-WAL backend instead of no-WAL wasm.
- codegraph status / codegraph_status now report the effective journal mode, so
  a lock report is triageable (wal vs delete).
- CLI hard-blocks Node < 20 to actually enforce the engines floor.

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>

* refactor(db)!: node:sqlite is the sole backend; drop better-sqlite3 + wasm

Now that distribution will bundle a Node 24 runtime, node:sqlite (real SQLite
with WAL + FTS5) is always available. Collapse the three-backend adapter to
node:sqlite only and remove the machinery the other two needed:

- Remove better-sqlite3 (optionalDependency) and node-sqlite3-wasm (dependency).
- Remove WasmDatabaseAdapter, the named->positional param translation, the
  SQLITE_BUSY read-retry, the wasm fallback banner, the backend env override,
  and the native/node-sqlite/wasm selection chain.
- createDatabase now opens node:sqlite directly, with a clear error pointing at
  the bundled release / Node 22.5+ when the module is absent.
- NodeSqliteAdapter.close() is idempotent and pragma() supports { simple }, to
  match the better-sqlite3 behavior callers relied on.
- status (CLI + MCP) reports the single node:sqlite backend; journal-mode
  diagnostics and the getCodeGraph single-connection fix are retained.
- Tests repointed off better-sqlite3 onto node:sqlite.

Net -1044 lines. Running from source now requires Node 22.5+.

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>

* feat(dist): self-contained bundle prototype (vendored Node + install channels)

Phase 3 of the node:sqlite migration: ship a vendored Node runtime so CodeGraph
runs with no system Node and no native build (node:sqlite is built in).

- scripts/build-bundle.sh: build a per-platform archive (official Node + dist +
  prod deps + launcher). Same recipe per platform; pins Node v24.16.0.
- install.sh: curl|sh installer (no Node required) — detects os/arch, pulls the
  archive from Releases, symlinks onto PATH; re-run to upgrade, --uninstall to
  remove. The VPS/SSH path.
- scripts/npm-shim.js: thin launcher for the npm channel — resolves the
  per-platform optionalDependency bundle and execs it, so `npm i -g` keeps
  working and the real work runs on the bundled Node regardless of the user's.
- BUNDLING.md: distribution design + release-pipeline TODO (CI matrix, platform
  packages, code signing, brew, retiring the Node-version gate).

Validated end-to-end: darwin-arm64 and linux-x64 bundles both run init + index +
status (Backend: node:sqlite, Journal: wal) + FTS query with NO system Node —
linux-x64 verified in a clean ubuntu:24.04 amd64 container. Release archives are
gitignored; CI will produce and upload them.

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>

* feat(dist): add Windows PowerShell installer (install.ps1)

The `irm … | iex` one-liner for Windows, mirroring install.sh: detect arch,
pull the matching bundle from Releases, extract to %LOCALAPPDATA%\codegraph,
add it to user PATH. Re-run to upgrade. (Windows bundle production in
build-bundle.sh is still TODO.)

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>

* feat(dist): release workflow + npm packaging; README/CHANGELOG for bundled distro

- .github/workflows/release.yml: manually-triggered (workflow_dispatch) release
  matrix. Builds a self-contained bundle per platform on its own runner
  (darwin-arm64/x64, linux-x64/arm64), publishes a GitHub Release with all
  archives, and publishes the npm thin-installer (shim + per-platform packages).
  Windows targets are TODO (build-bundle.sh is unix-only).
- scripts/pack-npm.sh: assemble the npm packages from built bundles — per-platform
  packages tagged os/cpu + the main shim package with them as optionalDependencies
  (esbuild pattern). Proven locally: npm-install the tarballs, run via the shim,
  resolves the bundle and runs on the bundled Node 24 (node:sqlite / WAL).
- README: install section now leads with the no-Node one-liners (curl|sh, irm|iex)
  then npm/npx; "bundled · none required" badge.
- CHANGELOG: standout headline for the self-contained release, plus Added/Changed/
  Removed for the install channels, node:sqlite backend, and dropped deps.

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>

* feat(dist): Windows bundles + single-trigger release workflow

- build-bundle.sh: add win32-x64 / win32-arm64 targets — download Node's Windows
  zip, bundle node.exe + a .cmd launcher, output a .zip. Verified structurally
  (PE32+ node.exe, CRLF .cmd, portable node_modules). Since there are no native
  addons, any target builds on any OS, so the whole matrix builds on one runner.
- pack-npm.sh: handle .zip bundles and win32 packages (os: win32, node.exe).
- release.yml: simplified to your spec — manual trigger reads the version from
  package.json, builds all platform bundles, creates the GitHub Release with notes
  pulled from CHANGELOG.md, and publishes the npm shim + platform packages.
- BUNDLING.md: Windows + build-anywhere notes; release pipeline documented.

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>

---------

Co-authored-by: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
2026-05-21 15:48:04 -05:00

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Markdown

# Distribution: self-contained bundles
CodeGraph ships a **vendored Node runtime** alongside the app. Because Node 22.5+
has a built-in real SQLite (`node:sqlite`, with WAL + FTS5), bundling Node means:
- **No native build** — `better-sqlite3` is gone, so there are zero native addons
to compile or rebuild.
- **No wasm fallback** — and therefore no more `database is locked` (issue #238).
- **No Node-version dependence** — the app always runs on the bundled Node,
whatever the user has (or doesn't have) installed.
## What's in a bundle
Built by [`scripts/build-bundle.sh`](scripts/build-bundle.sh) — one archive per
platform, identical recipe (only the Node download differs):
```
codegraph-<target>/
node | node.exe # official Node runtime for <target>
lib/
dist/ # compiled app (+ tree-sitter .wasm grammars, schema.sql)
node_modules/ # production deps only (pure JS / wasm — portable)
bin/
codegraph | codegraph.cmd # launcher → runs the bundled Node with the app
```
Targets: `darwin-arm64`, `darwin-x64`, `linux-x64`, `linux-arm64`, `win32-x64`,
`win32-arm64`. Unix targets produce `.tar.gz` (shell launcher); Windows produces
`.zip` (`node.exe` + a `.cmd` launcher).
```bash
scripts/build-bundle.sh linux-x64 # -> release/codegraph-linux-x64.tar.gz
scripts/build-bundle.sh win32-x64 # -> release/codegraph-win32-x64.zip
```
Because dropping better-sqlite3 left **zero native addons**, building a bundle is
pure file-packaging — **any** target builds on **any** OS (the whole matrix builds
on one Linux runner). Cross-compilation isn't a concern; only *run-testing* a
bundle needs the target platform (or emulation, e.g. `docker run --platform
linux/amd64`).
## Install channels (all deliver the same bundle)
1. **`curl | sh`** ([`install.sh`](install.sh)) — no Node required; ideal for a
fresh Linux VPS over SSH. Detects os/arch, pulls the archive from GitHub
Releases, symlinks `codegraph` onto PATH. Re-run to upgrade; `--uninstall` to
remove.
2. **npm** ([`scripts/npm-shim.js`](scripts/npm-shim.js)) — preserves
`npm i -g @colbymchenry/codegraph`. The main package is a tiny shim; the
bundles ship as per-platform `optionalDependencies`
(`@colbymchenry/codegraph-<target>` with `os`/`cpu`), so npm installs only the
matching one. The shim — run by the user's Node — execs the bundle, so the
real work runs on the bundled Node 24. Works even on old Node.
3. **Windows** ([`install.ps1`](install.ps1)) — `irm … | iex`; same flow as
install.sh (detect arch, pull the `.zip` from Releases, add to PATH).
4. **Homebrew / Scoop** — TODO (tap + cask pointing at the Release archives).
## Release pipeline
[`.github/workflows/release.yml`](.github/workflows/release.yml) — manually
triggered. Reads the version from `package.json`, builds every platform bundle on
one runner, creates the GitHub Release (notes from `CHANGELOG.md`), and publishes
the npm shim + per-platform packages. Requires the `NPM_TOKEN` repo secret.
Still TODO:
- **Code signing** — the main gap for "download & run": macOS Gatekeeper needs a
Developer ID + notarization; Windows needs Authenticode. Homebrew softens the
macOS case (handles quarantine).
- Retire the now-vestigial Node-version gate in `src/bin/codegraph.ts` — the
bundle always runs Node 24, and the npm shim does no tree-sitter work.
- Re-wire `npm uninstall` cleanup (the agent-config `preuninstall`) through the
shim — the generated main package doesn't carry it.