Nix

Nix is a package manager created in 2003.

#813on PLDB

21Years Old

Nix first developed in NixOS Foundation
file extensions for Nix include nix
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.

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 ...

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

Nix - Package manager

Language features