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Add experimental nix support #76

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6 changes: 6 additions & 0 deletions README.md
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Expand Up @@ -18,6 +18,12 @@ All in one fast & easy-to-use tool. Instead of 1,000 node_modules for develo
curl -fsSL https://bun.sh/install | bash
```

### Nix

There is a `default.nix` file bundled with Bun's source. This could eventually be brought to Nixpkgs, but for now, you can run and install it like any other nix package.
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@Jarred-Sumner Jarred-Sumner Dec 12, 2021

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Would it be possible to pass a url to nix? If so, I could get the default.nix package up on bun.sh

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@06kellyjac 06kellyjac Jul 9, 2022

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You can build a remote expressions to an extent yeah

https://nixos.org/manual/nix/stable/command-ref/nix-build.html

With nix 3.0 & flakes you can easily do something like

nix build github:Jarred-Summer/bun
There's probably a way to set up a domain name but not played with it


Before using it, change `bun_install` on line 11 to wherever you'd like Bun to store it's cache.

## Benchmarks

**CSS**: [Bun is 14x faster](./bench/hot-module-reloading/css-stress-test) than Next.js at hot reloading CSS. TODO: compare Vite
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31 changes: 31 additions & 0 deletions default.nix
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@@ -0,0 +1,31 @@
{ stdenv
, autoPatchelfHook
, fetchurl
, openssl
, unzip
, pkgs
, ... }:
let
version = "0.0.52";
checksum = "88k0RW6/X/CudqExRwnbfzpKcxHJ3BvtvX2dIudqU+A=";
bun_install = "/home/<whatever>/.bun"; # Set this to where you want bun's cache
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@Jarred-Sumner Jarred-Sumner Dec 12, 2021

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Would it be possible to fill this in with the current user's home directory instead of manually editing?

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@ajkachnic ajkachnic Dec 12, 2021

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It could be $HOME/.bun, I just forget if that will evaluate to the root's home directory or the user's (since the package might be built with superuser permissions). I'm pretty sure it's the user's though

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@purefunctor purefunctor Jul 6, 2022

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getEnv can be used for this, I believe:

Suggested change
bun_install = "/home/<whatever>/.bun"; # Set this to where you want bun's cache
bun_install = "{builtins.getEnv "HOME"}/.bun";

https://nixos.org/manual/nix/stable/expressions/builtins.html#builtins-getEnv

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@06kellyjac 06kellyjac Jul 9, 2022

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Just wrap with escaped $ so it evaluates when ran rather than in the build

in stdenv.mkDerivation {
pname = "bun";
version = version;
src = fetchurl {
url = "https://github.com/Jarred-Sumner/bun-releases-for-updater/releases/download/bun-v${version}/bun-linux-x64.zip";
sha256 = checksum;
};
sourceRoot = ".";
unpackCmd = "unzip bun-linux-x64.zip";
dontConfigure = true;
dontBuild = true;
nativeBuildInputs = [ pkgs.makeWrapper autoPatchelfHook ];
buildInputs = [ unzip openssl stdenv.cc.cc.lib ];

installPhase = "install -D ./bun-linux-x64/bun $out/bin/bun";
postInstall = ''
wrapProgram "$out/bin/bun" \
--prefix BUN_INSTALL : ${bun_install}
'';
}