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/applications/editors/emacs/elisp-packages/tree-sitter-langs/default.nix

@@ -0,0 +1,44 @@
+{ lib
+, pkgs
+, symlinkJoin
+, fetchzip
+, melpaBuild
+, stdenv
+, fetchFromGitHub
+, writeText
+, melpaStablePackages
+, runCommand
+, tree-sitter-grammars
+, plugins ? map (g: tree-sitter-grammars.${g}) (lib.importJSON ./default-grammars.json)
+, final
+}:
+
+let
+  inherit (melpaStablePackages) tree-sitter-langs;
+
+  libSuffix = if stdenv.isDarwin then "dylib" else "so";
+  soName = g: lib.removeSuffix "-grammar" (lib.removePrefix "tree-sitter-" g.pname) + "." + libSuffix;
+
+  grammarDir = runCommand "emacs-tree-sitter-grammars" {
+    # Fake same version number as upstream language bundle to prevent triggering runtime downloads
+    inherit (tree-sitter-langs) version;
+  } (''
+    install -d $out/langs/bin
+    echo -n $version > $out/langs/bin/BUNDLE-VERSION
+  '' + lib.concatStringsSep "\n" (map (
+    g: "ln -s ${g}/parser $out/langs/bin/${soName g}") plugins
+  ));
+
+in
+melpaStablePackages.tree-sitter-langs.overrideAttrs(old: {
+  postPatch = old.postPatch or "" + ''
+    substituteInPlace ./tree-sitter-langs-build.el \
+    --replace "tree-sitter-langs-grammar-dir tree-sitter-langs--dir"  "tree-sitter-langs-grammar-dir \"${grammarDir}/langs\""
+  '';
+
+  passthru = old.passthru or {} // {
+    inherit plugins;
+    withPlugins = fn: final.tree-sitter-langs.override { plugins = fn tree-sitter-grammars; };
+  };
+
+})