diff --git a/pkgs/applications/version-management/git-and-tools/darcs-to-git/default.nix b/pkgs/applications/version-management/git-and-tools/darcs-to-git/default.nix
new file mode 100644
index 000000000000..8c8e4f9e5b4c
--- /dev/null
+++ b/pkgs/applications/version-management/git-and-tools/darcs-to-git/default.nix
@@ -0,0 +1,81 @@
+{ stdenv, fetchgit, ruby, gnugrep, diffutils, git, darcs }:
+
+stdenv.mkDerivation rec {
+  name = "darcs-to-git-${version}";
+  version = "0.2git";
+
+  src = fetchgit {
+    url = "git://github.com/purcell/darcs-to-git.git";
+    rev = "58a55936899c7e391df5ae1326c307fbd4617a25";
+    sha256 = "366aa691920991e21cfeebd4cbd53a6c42d80e2bc46ff398af482d1d15bac4c3";
+  };
+
+  patchPhase = let
+    matchExecution = ''(\<(output_of|system|run)\([^"%]*("|%w\()|^[^"`]*`)'';
+  in ''
+    sed -r -i \
+      -e '1s|^#!.*|#!${ruby}/bin/ruby|' \
+      -e 's!${matchExecution}git\>!\1${git}/bin/git!' \
+      -e 's!${matchExecution}darcs\>!\1${darcs}/bin/darcs!' \
+      -e 's!${matchExecution}diff\>!\1${diffutils}/bin/diff!' \
+      -e 's!\<egrep\>!${gnugrep}/bin/egrep!g' \
+      -e 's!%w\(darcs init\)!%w(${darcs}/bin/darcs init)!' \
+      darcs-to-git
+  '';
+
+  propagatedBuildInputs = [ ruby ];
+
+  installPhase = ''
+    install -vD darcs-to-git "$out/bin/darcs-to-git"
+  '';
+
+  doCheck = true;
+
+  checkPhase = ''
+    orig_dir="$(pwd)"
+    darcs_repos="$(pwd)/darcs_test_repos"
+    git_repos="$(pwd)/git_test_repos"
+    test_home="$(pwd)/test_home"
+    mkdir "$darcs_repos" "$git_repos" "$test_home"
+    cd "$darcs_repos"
+    ${darcs}/bin/darcs init
+    echo "this is a test file" > new_file1
+    ${darcs}/bin/darcs add new_file1
+    HOME="$test_home" ${darcs}/bin/darcs record -a -m c1 -A none
+    echo "testfile1" > new_file1
+    echo "testfile2" > new_file2
+    ${darcs}/bin/darcs add new_file2
+    HOME="$test_home" ${darcs}/bin/darcs record -a -m c2 -A none
+    ${darcs}/bin/darcs mv new_file2 only_one_file
+    rm -f new_file1
+    HOME="$test_home" ${darcs}/bin/darcs record -a -m c3 -A none
+    cd "$git_repos"
+    HOME="$test_home" PATH= "$orig_dir/darcs-to-git" "$darcs_repos"
+    assertFileContents() {
+      echo -n "File $1 contains '$2'..." >&2
+      if [ "x$(cat "$1")" = "x$2" ]; then
+        echo " passed." >&2
+        return 0
+      else
+        echo " failed: '$(cat "$1")' != '$2'" >&2
+        return 1
+      fi
+    }
+    echo "Checking if converted repository matches original repository:" >&2
+    assertFileContents only_one_file testfile2
+    ${git}/bin/git reset --hard HEAD^
+    assertFileContents new_file1 testfile1
+    assertFileContents new_file2 testfile2
+    ${git}/bin/git reset --hard HEAD^
+    assertFileContents new_file1 "this is a test file"
+    echo "All checks passed." >&2
+    cd "$orig_dir"
+    rm -rf "$darcs_repos" "$git_repos" "$test_home"
+  '';
+
+  meta = {
+    description = "Converts a Darcs repository into a Git repository";
+    homepage = "http://www.sanityinc.com/articles/converting-darcs-repositories-to-git";
+    license = stdenv.lib.licenses.mit;
+  };
+}
diff --git a/pkgs/applications/version-management/git-and-tools/default.nix b/pkgs/applications/version-management/git-and-tools/default.nix
index efe4fcb2d7c9..6ee19832750c 100644
--- a/pkgs/applications/version-management/git-and-tools/default.nix
+++ b/pkgs/applications/version-management/git-and-tools/default.nix
@@ -91,4 +91,6 @@ rec {
   gitSubtree = import ./git-subtree {
     inherit stdenv fetchurl git asciidoc xmlto docbook_xsl docbook_xml_dtd_45 libxslt;
   };
+
+  darcsToGit = callPackage ./darcs-to-git { };
 }