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# t3code-flake
Standalone Nix packaging for [`pingdotgg/t3code`](https://github.com/pingdotgg/t3code).
This repository does not rely on upstream Nix packaging. It fetches the upstream source as a non-flake input and builds local package expressions around that source tree.
## What It Exports
For each supported system, the flake exports:
- `apps.<system>.default`
- `apps.<system>.t3code-desktop`
- `apps.<system>.t3code-server`
- `packages.<system>.default`
- `packages.<system>.t3code-desktop`
- `packages.<system>.t3code-server`
- `checks.<system>.t3code-desktop`
- `checks.<system>.t3code-server`
Current `default` points to the `t3code-desktop`.
There are also `desktop` and `server` shorthands available for `apps` and `packages`.
## Usage
Inspect the flake surface:
```bash
nix flake show --all-systems
```
Build the desktop package:
```bash
nix build .#t3code-desktop
```
Build the server package:
```bash
nix build .#t3code-server
```
Run the desktop app:
```bash
nix run .#t3code-desktop
```
Run the server app:
```bash
nix run .#t3code-server
```
## Agent CLI Support
Both packages can be overridden to add AI agent CLIs to the runtime `PATH`:
- `withCodex` adds `github:numtide/llm-agents.nix#codex`
- `withClaudeCode` adds `github:numtide/llm-agents.nix#claude-code`
- `withOpencode` adds `github:numtide/llm-agents.nix#opencode`
Agent CLIs can be overridden as well using `codexPackage`, `claudeCodePackage` and `opencodePackage` respectively.
These overrides wrap the finished package in a small `postBuild` layer, so changing the agent flags does not rebuild the full T3 Code package.
In a Nix expression, use the same package override directly (using `perSystem` from [`github:numtide/blueprint`](https://github.com/numtide/blueprint)):
```nix
{perSystem, pkgs, ...}: {
home.packages = [
(perSystem.t3code.desktop.override {
withCodex = true;
claudeCodePackage = pkgs.claude-code-bin;
withClaudeCode = true;
opencodePackage = perSystem.foobar.my-awesome-opencode-fork;
withOpencode = true;
})
];
}
```
## Layout
```text
.
├── flake.nix
├── flake.lock
├── README.md
└── packages
├── common.nix
├── scripts
│ ├── canonicalize-node-modules.ts
│ └── normalize-bun-binaries.ts
├── t3code-desktop
│ ├── build-nix-desktop-package.mjs
│ ├── default.nix
│ └── desktop-nix-autoupdate.patch
└── t3code-server
└── default.nix
```
## Notes
- `packages/common.nix` contains the shared Bun workspace and `node-pty` setup used by both packages.
- `packages/scripts/*.ts` contains the Bun install-tree normalization helpers used by `packages/common.nix`.
- `packages/t3code-desktop/build-nix-desktop-package.mjs` is local packaging glue carried by this repo.
- `packages/t3code-desktop/desktop-nix-autoupdate.patch` is a downstream patch for desktop auto-update messaging in package-managed installs.
- Upstream source is pinned in `flake.lock` via the `t3code` input.
- Optional agent CLI packages are pinned in `flake.lock` via the `llm-agents` input.