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/tools/admin/meshcentral/default.nix

@@ -0,0 +1,39 @@
+{ lib, fetchpatch, fetchzip, yarn2nix-moretea, nodejs, jq, dos2unix }:
+
+yarn2nix-moretea.mkYarnPackage rec {
+  version = "1.0.18";
+
+  src = fetchzip {
+    url = "https://registry.npmjs.org/meshcentral/-/meshcentral-${version}.tgz";
+    sha256 = "03bs7c2n4cxpsjkrcwinmjarcfwxvkg10xvnjk5r1rnkzlrsy8pm";
+  };
+
+  packageJSON = ./package.json;
+  yarnLock = ./yarn.lock;
+  yarnNix = ./yarn.nix;
+
+  # Tarball has CRLF line endings. This makes patching difficult, so let's convert them.
+  nativeBuildInputs = [ dos2unix ];
+  prePatch = ''
+    find . -name '*.js' -exec dos2unix {} +
+    ln -snf meshcentral.js bin/meshcentral
+  '';
+
+  preFixup = ''
+    mkdir -p $out/bin
+    chmod a+x $out/libexec/meshcentral/deps/meshcentral/meshcentral.js
+    sed -i '1i#!${nodejs}/bin/node' $out/libexec/meshcentral/deps/meshcentral/meshcentral.js
+    ln -s $out/libexec/meshcentral/deps/meshcentral/meshcentral.js $out/bin/meshcentral
+  '';
+
+  publishBinsFor = [ ];
+
+  passthru.updateScript = ./update.sh;
+
+  meta = with lib; {
+    description = "Computer management web app";
+    homepage = "https://meshcentral.com/info/";
+    maintainers = [ maintainers.lheckemann ];
+    license = licenses.asl20;
+  };
+}