uboot: (firmwareOdroidC2/C4) don't invoke patch tool, use patches = [] instead

https://github.com/NixOS/nixpkgs/blob/master/pkgs/stdenv/generic/setup.sh#L948
this can do it nicely.

Signed-off-by: Anton Arapov <anton@deadbeef.mx>

pkgs/desktops/pantheon/desktop/file-roller-contract/default.nix

@@ -0,0 +1,53 @@
+{ lib
+, stdenv
+, fetchFromGitHub
+, unstableGitUpdater
+, substituteAll
+, file-roller
+}:
+
+stdenv.mkDerivation rec {
+  pname = "file-roller-contract";
+  version = "unstable-2021-02-22";
+
+  src = fetchFromGitHub {
+    owner = "elementary";
+    repo = pname;
+    rev = "cf001d84a7e2ddcfbee2cfdb19885798a869833e";
+    sha256 = "sha256-jnXq44NiQiSYsvaBF828TklLg9d6z6n+gCZKgbFiERI=";
+  };
+
+  patches = [
+    (substituteAll {
+      src = ./exec-path.patch;
+      file_roller = file-roller;
+    })
+  ];
+
+  dontConfigure = true;
+
+  dontBuild = true;
+
+  installPhase = ''
+    runHook preInstall
+
+    mkdir -p $out/share/contractor
+    cp *.contract $out/share/contractor/
+
+    runHook postInstall
+  '';
+
+  passthru = {
+    updateScript = unstableGitUpdater {
+      url = "https://github.com/elementary/file-roller-contract.git";
+    };
+  };
+
+  meta = with lib; {
+    description = "Contractor extension for File Roller";
+    homepage = "https://github.com/elementary/file-roller-contract";
+    license = licenses.gpl3Plus;
+    maintainers = teams.pantheon.members;
+    platforms = platforms.linux;
+  };
+}