1 files changed, 39 insertions, 0 deletions
diff --git a/tools/magrathea/default.nix b/tools/magrathea/default.nix
new file mode 100644
index 000000000000..5e8019852abd
--- /dev/null
+++ b/tools/magrathea/default.nix
@@ -0,0 +1,39 @@
+# magrathea helps you build planets
+#
+# it is a tool for working with monorepos in the style of tvl's depot
+{ pkgs, ... }:
+
+let
+  inherit (pkgs)
+    stdenv
+    chicken
+    chickenPackages
+    makeWrapper
+    git
+    nix
+    lib
+    ;
+
+in
+stdenv.mkDerivation {
+  name = "magrathea";
+  src = ./.;
+  dontInstall = true;
+
+  nativeBuildInputs = [ chicken makeWrapper ];
+  buildInputs = with chickenPackages.chickenEggs; [
+    matchable
+    srfi-13
+  ];
+
+  propagatedBuildInputs = [ git ];
+
+  buildPhase = ''
+    mkdir -p $out/bin
+    csc -o $out/bin/mg -host -static ${./mg.scm}
+  '';
+
+  fixupPhase = ''
+    wrapProgram $out/bin/mg --prefix PATH ${lib.makeBinPath [ nix ]}
+  '';
+}