1 files changed, 16 insertions, 0 deletions

diff --git a/custom/redo-wrapper.nix b/custom/redo-wrapper.nix
new file mode 100644
index 00000000..20e1675a
--- /dev/null
+++ b/custom/redo-wrapper.nix
@@ -0,0 +1,16 @@
+{ stdenv, makeWrapper, haskellPackages }:
+
+let
+  redo = haskellPackages.callPackage ./redo.nix {};
+in stdenv.mkDerivation {
+  name = "redo-wrapper";
+
+  nativeBuildInputs = [ makeWrapper ];
+
+  buildCommand = ''
+    mkdir -p $out/bin
+    ln -s $out/bin/redo $out/bin/redo-ifchange
+    makeWrapper ${redo}/bin/redo $out/bin/redo \
+      --set REDO_PATH "$out/bin"
+  '';
+}