diff --git a/pkgs/applications/version-management/darcs/default.nix b/pkgs/applications/version-management/darcs/default.nix
new file mode 100644
index 000000000000..8a2e80f24014
--- /dev/null
+++ b/pkgs/applications/version-management/darcs/default.nix
@@ -0,0 +1,10 @@
+{stdenv, fetchurl, ghc, zlib, ncurses}:
+
+stdenv.mkDerivation {
+  name = "darcs-1.0.3";
+  src = fetchurl {
+    url = http://abridgegame.org/darcs/darcs-1.0.3.tar.gz;
+    md5 = "d3fc141d1c91044e45ae74b74fc54728";
+  };
+  buildInputs = [ghc zlib ncurses];
+}
diff --git a/pkgs/applications/version-management/rcs/default.nix b/pkgs/applications/version-management/rcs/default.nix
index 1af8ed370ab9..a12bbdc1e9f4 100644
--- a/pkgs/applications/version-management/rcs/default.nix
+++ b/pkgs/applications/version-management/rcs/default.nix
@@ -2,7 +2,6 @@
 
 stdenv.mkDerivation {
   name = "rcs-5.7";
-  # builder = ./builder.sh;
   src = fetchurl {
     url = http://nix.cs.uu.nl/dist/tarballs/rcs-5.7.tar;
     md5 = "f7b3f106bf87ff6344df38490f6a02c5";
diff --git a/pkgs/system/all-packages-generic.nix b/pkgs/system/all-packages-generic.nix
index 384920608707..78b2e6b21001 100644
--- a/pkgs/system/all-packages-generic.nix
+++ b/pkgs/system/all-packages-generic.nix
@@ -1371,6 +1371,10 @@ rec {
     inherit fetchurl stdenv;
   };
 
+  darcs = import ../applications/version-management/darcs {
+    inherit fetchurl stdenv ghc zlib ncurses;
+  };
+
   pan = (import ../applications/networking/newsreaders/pan) {
     inherit fetchurl stdenv pkgconfig gnet libxml2 perl pcre;
     inherit (gtkLibs) gtk;
diff --git a/pkgs/system/populate-cache.nix b/pkgs/system/populate-cache.nix
index 0297666f27c6..2460867c191f 100644
--- a/pkgs/system/populate-cache.nix
+++ b/pkgs/system/populate-cache.nix
@@ -63,6 +63,7 @@ let {
     docbook_xml_xslt
     jing_tools
     subversion
+    darcs
     pan
     sylpheed
     firefoxWrapper