junie-cli-nix

Nix flake for JetBrains Junie CLI — an AI coding agent that runs in your terminal, IDE, or CI/CD.

This flake fetches the official binary release zips from github.com/JetBrains/junie/releases, patches the bundled JBR runtime libraries for NixOS, and exposes junie as a package, app, and overlay.

The latest version is tracked automatically via a scheduled GitHub Actions workflow that watches update-info.jsonl and opens an auto-merging PR every hour when a new release ships.

Supported platforms

• x86_64-linux
• aarch64-linux
• x86_64-darwin
• aarch64-darwin

License

This flake itself is MIT-licensed.

The Junie CLI binary it downloads is distributed by JetBrains under their EAP Terms of Service (see https://jb.gg/junie-tos-eap), so the package is marked as unfree — set nixpkgs.config.allowUnfree = true; (or NIXPKGS_ALLOW_UNFREE=1) to install it.

Usage

Run without installing

nix run github:solcik/junie-cli-nix
nix run github:solcik/junie-cli-nix -- --version

Add to a flake

{
  inputs = {
    nixpkgs.url = "github:NixOS/nixpkgs/nixos-unstable";
    junie-cli.url = "github:solcik/junie-cli-nix";
  };

  outputs = { self, nixpkgs, junie-cli, ... }: {
    # As an overlay:
    nixosConfigurations.example = nixpkgs.lib.nixosSystem {
      system = "x86_64-linux";
      modules = [
        ({ pkgs, ... }: {
          nixpkgs.overlays = [ junie-cli.overlays.default ];
          nixpkgs.config.allowUnfree = true;
          environment.systemPackages = [ pkgs.junie ];
        })
      ];
    };
  };
}

Or as a Home Manager package:

home.packages = [ junie-cli.packages.${pkgs.system}.junie ];

Build locally

git clone https://github.com/solcik/junie-cli-nix
cd junie-cli-nix
nix build .#junie
./result/bin/junie --version

Updating

The hourly workflow at .github/workflows/update.yml handles version bumps automatically. To update manually:

./scripts/update.sh                   # latest
./scripts/update.sh --version 1417.47 # specific version
./scripts/update.sh --check           # check only

How it works

package.nix calls fetchurl on the platform-appropriate junie-release-${version}-${platform}.zip from github.com/JetBrains/junie/releases. On Linux it runs autoPatchelfHook across the bundled JetBrains Runtime so the dynamic linker resolves against NixOS-friendly libraries. The launcher at junie-app/bin/junie is wrapped via makeWrapper to set LD_LIBRARY_PATH and disable the in-product autoupdater.