xmlindent: New expression

[Bjørn Forsman <bjorn.forsman@gmail.com>:
 - introduce "name-${version}" (to not duplicate version number)
 - use mirror://sourceforge instead of specific mirror URL
 - add vertical whitespace between attributes
 - add meta description and homepage attributes
 - place the top-level 'xmlindent' attribute in alphabetial order
]

pkgs/development/web/xmlindent/default.nix

@@ -0,0 +1,25 @@
+{ stdenv, fetchurl, flex }:
+
+stdenv.mkDerivation rec {
+  name = "xmlindent-${version}";
+  version = "0.2.17";
+
+  src = fetchurl {
+    url = "mirror://sourceforge/project/xmlindent/xmlindent/${version}/${name}.tar.gz";
+    sha256 = "0k15rxh51a5r4bvfm6c4syxls8al96cx60a9mn6pn24nns3nh3rs";
+  };
+
+  buildInputs = [ flex ];
+
+  preConfigure = ''
+    substituteInPlace Makefile --replace "PREFIX=/usr/local" "PREFIX=$out"
+  '';
+
+  meta = {
+    description = "XML stream reformatter";
+    homepage = http://xmlindent.sourceforge.net/;
+    license = stdenv.lib.licenses.gpl3;
+    platforms = stdenv.lib.platforms.linux;
+    maintainers = [ stdenv.lib.maintainers.ocharles ];
+  };
+}

pkgs/top-level/all-packages.nix

@@ -3776,6 +3776,8 @@ let
 
   xc3sprog = callPackage ../development/tools/misc/xc3sprog { };
 
+  xmlindent = callPackage ../development/web/xmlindent {};
+
   xxdiff = callPackage ../development/tools/misc/xxdiff {
     bison = bison2;
   };