Add Bogofilter, a fast bayesian spam filter.

svn path=/nixpkgs/trunk/; revision=10908

pkgs/tools/misc/bogofilter/default.nix

@@ -0,0 +1,24 @@
+{fetchurl, stdenv, flex, bdb}:
+
+stdenv.mkDerivation rec {
+  name = "bogofilter-1.1.6";
+  src = fetchurl {
+    url = "mirror://sourceforge/bogofilter/${name}.tar.bz2";
+    sha256 = "11pbhw6cc2yjdgl7nq771mrcv0z19al8jvassxnvbw4pvr5kzn9j";
+  };
+
+  # FIXME: We would need `pax' as a "propagated build input" (for use
+  # by the `bf_tar' script) but we don't have it currently.
+
+  buildInputs = [ flex bdb ];
+
+  meta = {
+    homepage = http://bogofilter.sourceforge.net/;
+    description = ''Bogofilter is a mail filter that classifies mail
+                    as spam or ham (non-spam) by a statistical analysis of
+		    the message's header and content (body).  The program is
+		    able to learn from the user's classifications and
+		    corrections.  It is based on a Bayesian filter.'';
+    license = "GPLv2";
+  };
+}

pkgs/top-level/all-packages.nix

@@ -396,6 +396,11 @@ rec {
     inherit fetchurl stdenv python wxPython26;
   };
 
+  bogofilter = import ../tools/misc/bogofilter {
+    inherit fetchurl stdenv flex;
+    bdb = db4;
+  };
+
   bsdiff = import ../tools/compression/bsdiff {
     inherit fetchurl stdenv;
   };