Nix - Package manager

Nix is an open source package manager created in 2003.

#555on PLDB

21Years Old

Tags: packageManager
Early development of Nix happened in NixOS Foundation
The Google BigQuery Public Dataset GitHub snapshot shows 2k users using Nix in 3k repos on GitHub
Explore Nix snippets on Rosetta Code
Pygments supports syntax highlighting for Nix
GitHub supports syntax highlighting for Nix
Read more about Nix on the web: 1.
75 PLDB concepts link to Nix: Ace Editor, Ante, AsciiDots, asterius-compiler, Austral, Candy, carp, Catala, chisel, clash, cloc, Coq, Crystal, dex, Dhall, Differential Datalog, Embedded Crystal, Emscripten, Enso, erg, expresso, Factor, Fardlang, Felix, forest-lang, fp, F*, Futhark, GHC, Gwion, HHVM, hobbes, Ibis, Idris, Jakt, Jank, k-framework, Ladybird, lamdu-editor, Lamdu, Lawvere, Ligo, Lil, Luna, Megaparsec, MiniZinc, MLscript, monte, Mushroom, odin, oil, Pact, GNU Poke, popr, PRQL, Pygments, Quint, ramen, raptorjit, Reason, reflex-framework, Rholang, Roc, Savi, sile, Simplicity, Slab, Slick, Terra, UCG, Uiua, UrWeb, Vcpkg, wasmer, Worst

Example from the web:

{
 boot.loader.grub.device = "/dev/sda";

 fileSystems."/".device = "/dev/sda1";

 services.sshd.enable = true;
}

Example from Linguist:

{ stdenv, fetchurl, fetchgit, openssl, zlib, pcre, libxml2, libxslt, expat
, rtmp ? false
, fullWebDAV ? false
, syslog ? false
, moreheaders ? false, ...}:

let
  version = "1.4.4";
  mainSrc = fetchurl {
    url = "http://nginx.org/download/nginx-${version}.tar.gz";
    sha256 = "1f82845mpgmhvm151fhn2cnqjggw9w7cvsqbva9rb320wmc9m63w";
  };

  rtmp-ext = fetchgit {
    url = git://github.com/arut/nginx-rtmp-module.git;
    rev = "1cfb7aeb582789f3b15a03da5b662d1811e2a3f1";
    sha256 = "03ikfd2l8mzsjwx896l07rdrw5jn7jjfdiyl572yb9jfrnk48fwi";
  };

  dav-ext = fetchgit {
    url = git://github.com/arut/nginx-dav-ext-module.git;
    rev = "54cebc1f21fc13391aae692c6cce672fa7986f9d";
    sha256 = "1dvpq1fg5rslnl05z8jc39sgnvh3akam9qxfl033akpczq1bh8nq";
  };

  syslog-ext = fetchgit {
    url = https://github.com/yaoweibin/nginx_syslog_patch.git;
    rev = "165affd9741f0e30c4c8225da5e487d33832aca3";
    sha256 = "14dkkafjnbapp6jnvrjg9ip46j00cr8pqc2g7374z9aj7hrvdvhs";
  };

  moreheaders-ext = fetchgit {
    url = https://github.com/agentzh/headers-more-nginx-module.git;
    rev = "refs/tags/v0.23";
    sha256 = "12pbjgsxnvcf2ff2i2qdn39q4cm5czlgrng96j8ml4cgxvnbdh39";
  };
in

stdenv.mkDerivation rec {
  name = "nginx-${version}";
  src = mainSrc;

  buildInputs = [ openssl zlib pcre libxml2 libxslt
    ] ++ stdenv.lib.optional fullWebDAV expat;

  patches = if syslog then [ "${syslog-ext}/syslog_1.4.0.patch" ] else [];

  configureFlags = [
    "--with-http_ssl_module"
    "--with-http_spdy_module"
    "--with-http_xslt_module"
    "--with-http_sub_module"
    "--with-http_dav_module"
    "--with-http_gzip_static_module"
    "--with-http_secure_link_module"
    "--with-ipv6"
    # Install destination problems
    # "--with-http_perl_module"
  ] ++ stdenv.lib.optional rtmp "--add-module=${rtmp-ext}"
    ++ stdenv.lib.optional fullWebDAV "--add-module=${dav-ext}"
    ++ stdenv.lib.optional syslog "--add-module=${syslog-ext}"
    ++ stdenv.lib.optional moreheaders "--add-module=${moreheaders-ext}";

  preConfigure = ''
    export NIX_CFLAGS_COMPILE="$NIX_CFLAGS_COMPILE -I${libxml2 }/include/libxml2"
  '';

  # escape example
  postInstall = ''
    mv $out/sbin $out/bin ''' ''${
   ${ if true then ${ "" } else false }
  '';

  meta = {
    description = "A reverse proxy and lightweight webserver";
    maintainers = [ stdenv.lib.maintainers.raskin];
    platforms = stdenv.lib.platforms.all;
    inherit version;
  };
}

Nix Keywords

rec with let in inherit assert if else then ...

Language features

Feature	Supported	Example	Token
MultiLine Comments	✓
Line Comments	✓
Integers	✓