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/shells/fish/oh-my-fish/default.nix

@@ -0,0 +1,64 @@
+{ lib
+, stdenv
+, fetchFromGitHub
+, fish
+, bash
+, runtimeShell
+, writeShellScript
+}:
+
+stdenv.mkDerivation rec {
+  pname = "oh-my-fish";
+  version = "7+unstable=2021-03-03";
+
+  src = fetchFromGitHub {
+    owner = pname;
+    repo = pname;
+    rev = "0b1396ad7962073fa25615bf03c43b53eddc2d56";
+    hash = "sha256-lwMo4+PcYR9kYJPWK+ALiMfBdxFSgB2vjtSn8QrmmEA=";
+  };
+
+  strictDeps = true;
+  buildInputs = [
+    fish
+    bash
+  ];
+
+  dontConfigure = true;
+  dontBuild = true;
+
+  installPhase = ''
+    runHook preInstall
+
+    mkdir -pv $out/bin $out/share/${pname}
+    cp -vr * $out/share/${pname}
+
+    cat << EOF > $out/bin/omf-install
+    #!${runtimeShell}
+
+    ${fish}/bin/fish \\
+      $out/share/${pname}/bin/install \\
+      --noninteractive \\
+      --offline=$out/share/${pname}
+
+    EOF
+    chmod +x $out/bin/omf-install
+
+    runHook PostInstall
+  '';
+
+  meta = with lib; {
+    homepage = "https://github.com/oh-my-fish/oh-my-fish";
+    description = "The Fish Shell Framework";
+    longDescription = ''
+      Oh My Fish provides core infrastructure to allow you to install packages
+      which extend or modify the look of your shell. It's fast, extensible and
+      easy to use.
+    '';
+    license = licenses.mit;
+    maintainers = with maintainers; [ AndersonTorres ];
+    mainProgram = "omf-install";
+    platforms = fish.meta.platforms;
+  };
+}
+# TODO: customize the omf-install script