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Add bun2nix packaging to an existing flake
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Baseado na classificação ocupacional SOC
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| name | init-flake-package |
| description | Add bun2nix packaging to an existing flake |
Convert a devShell-only flake to a deployable package using bun2nix.
flake.nix with devShellbun.lock file (run bun install first)src/main.ts or src/index.ts)Detect project info:
src/main.ts, src/index.ts, or askGenerate bun.nix:
nix run github:nix-community/bun2nix
Replace flake.nix with packaging version:
{
description = "<project-name>";
inputs = {
nixpkgs.url = "github:NixOS/nixpkgs/nixos-unstable";
flake-utils.url = "github:numtide/flake-utils";
bun2nix = {
url = "github:nix-community/bun2nix";
inputs.nixpkgs.follows = "nixpkgs";
};
};
outputs = {
self,
nixpkgs,
flake-utils,
bun2nix,
}:
flake-utils.lib.eachDefaultSystem (system: let
pkgs = nixpkgs.legacyPackages.${system};
bun2nix' = bun2nix.packages.${system}.default;
in {
packages.default = pkgs.stdenv.mkDerivation {
pname = "<pname>";
version = "<version>";
src = ./.;
nativeBuildInputs = [
bun2nix'.hook
pkgs.makeBinaryWrapper
];
bunDeps = bun2nix'.fetchBunDeps {
bunNix = ./bun.nix;
};
# Run with bun interpreter (not AOT compiled)
dontUseBunBuild = true;
dontUseBunCheck = true;
dontUseBunInstall = true;
installPhase = ''
runHook preInstall
mkdir -p $out/lib/<pname>
cp -r . $out/lib/<pname>
mkdir -p $out/bin
makeBinaryWrapper ${pkgs.bun}/bin/bun $out/bin/<pname> \
--add-flags "run $out/lib/<pname>/<entry-point>"
runHook postInstall
'';
};
devShells.default = pkgs.mkShell {
buildInputs = with pkgs; [
bun
typescript
lefthook
bun2nix'
];
shellHook = ''
echo "<project-name> dev shell"
echo " bun2nix - Regenerate bun.nix after lockfile changes"
'';
};
});
}
Add to .gitignore (if not present):
result
Test the build:
nix build
./result/bin/<pname>
Summary: Note that bun2nix must be re-run after lockfile changes