add nix support

samples/Nix/nginx.nix

@@ -0,0 +1,80 @@
+{ 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;
+  };
+}