Adding the logrotate I found in the freebsd ports.

I think that is what debian, fedora and freebsd call 'logrotate'.

svn path=/nixpkgs/trunk/; revision=21437

pkgs/tools/system/logrotate/default.nix

@@ -0,0 +1,31 @@
+{stdenv, fetchurl, gzip, popt}:
+
+stdenv.mkDerivation rec {
+  name = "logrotate-3.7.8";
+
+  src = fetchurl {
+    url = https://fedorahosted.org/releases/l/o/logrotate/logrotate-3.7.8.tar.gz;
+    sha256 = "1p9nqmznqvzn03saw3jxa8xwsdqym8jr778rwig8kk786343vai1";
+  };
+
+  # Logrotate wants to access the 'mail' program; to be done.
+  patchPhase = ''
+    sed -i -e 's,[a-z/]\+gzip,${gzip}/bin/gzip,' \
+           -e 's,[a-z/]\+gunzip,${gzip}/bin/gunzip,' config.h
+  '';
+
+  preBuild = ''
+    makeFlags="BASEDIR=$out"
+  '';
+
+  buildInputs = [ popt ];
+
+  meta = {
+    homepage = "https://fedorahosted.org/releases/l/o/logrotate/";
+    description = "Rotates and compresses system logs";
+    license = "GPLv2+";
+    maintainers = with stdenv.lib.maintainers; [viric];
+    platforms = with stdenv.lib.platforms; all;
+  };
+
+}

pkgs/top-level/all-packages.nix

@@ -1015,6 +1015,10 @@ let
     inherit fetchurl stdenv pkgconfig openssl libsigcxx;
   };
 
+  logrotate = import ../tools/system/logrotate {
+    inherit fetchurl stdenv gzip popt;
+  };
+
   lout = import ../tools/typesetting/lout {
     inherit fetchurl stdenv ghostscript;
   };