Add rsnapshot, an rsync-based remote backup tool.

svn path=/nixpkgs/trunk/; revision=11009

pkgs/tools/backup/rsnapshot/default.nix

@@ -0,0 +1,23 @@
+{fetchurl, stdenv, perl, openssh, rsync, logger}:
+
+stdenv.mkDerivation rec {
+  name = "rsnapshot-1.3.0";
+  src = fetchurl {
+    url = "mirrors://sourceforge/rsnapshot/${name}.tar.gz";
+    sha256 = "19p35ycm73a8vd4ccjpah18h5jagvcr11rqca6ya87sg8k0a5h9z";
+  };
+
+  propagatedBuildInputs = [perl openssh rsync logger];
+
+  patchPhase = ''
+    substituteInPlace "Makefile.in" --replace \
+      "/usr/bin/pod2man" "${perl}/bin/pod2man"
+  '';
+
+  meta = {
+    description = ''rsnapshot is a filesystem snapshot utility for making
+                    backups of local and remote systems.'';
+    homepage = http://rsnapshot.org/;
+    license = "GPLv2+";
+  };
+}

pkgs/top-level/all-packages.nix

@@ -855,6 +855,14 @@ rec {
   };
   */
 
+  rsnapshot = import ../tools/backup/rsnapshot {
+    inherit fetchurl stdenv perl openssh rsync;
+
+    # For the `logger' command, we can use either `utillinux' or
+    # GNU Inetutils.  The latter is more portable.
+    logger = inetutils;
+  };
+
   rlwrapFun = lib.sumArgs (selectVersion ../tools/misc/rlwrap "0.28") {
     inherit builderDefs readline;
   };