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/development/interpreters/bqn/cbqn/default.nix

@@ -0,0 +1,71 @@
+{ lib
+, stdenv
+, fetchFromGitHub
+, genBytecode ? false
+, bqn-path ? null
+, mbqn-source ? null
+}:
+
+let
+  cbqn-bytecode-files = fetchFromGitHub {
+    name = "cbqn-bytecode-files";
+    owner = "dzaima";
+    repo = "CBQN";
+    rev = "c39653c898531a2cdbf4cc5c764df6e37b1894a4";
+    hash = "sha256-JCEmkwh5Rv5+NQoxvefSrYnayU892/Wam+gjMgcQmO0=";
+  };
+in
+assert genBytecode -> ((bqn-path != null) && (mbqn-source != null));
+
+stdenv.mkDerivation rec {
+  pname = "cbqn" + lib.optionalString (!genBytecode) "-standalone";
+  version = "0.pre+date=2022-05-06";
+
+  src = fetchFromGitHub {
+    owner = "dzaima";
+    repo = "CBQN";
+    rev = "3496a939b670f8c9ca2a04927378d6b7e9abd68e";
+    hash = "sha256-P+PoY4XF9oEw7VIpmybvPp+jxWHEo2zt1Lamayf1mHg=";
+  };
+
+  dontConfigure = true;
+
+  postPatch = ''
+    sed -i '/SHELL =.*/ d' makefile
+  '';
+
+  makeFlags = [
+    "CC=${stdenv.cc.targetPrefix}cc"
+  ];
+
+  preBuild = ''
+    # Purity: avoids git downloading bytecode files
+    touch src/gen/customRuntime
+  '' + (if genBytecode then ''
+    ${bqn-path} genRuntime ${mbqn-source}
+  '' else ''
+    cp ${cbqn-bytecode-files}/src/gen/{compiles,formatter,runtime0,runtime1,src} src/gen/
+  '');
+
+  installPhase = ''
+     runHook preInstall
+
+     mkdir -p $out/bin/
+     cp BQN -t $out/bin/
+     # note guard condition for case-insensitive filesystems
+     [ -e $out/bin/bqn ] || ln -s $out/bin/BQN $out/bin/bqn
+     [ -e $out/bin/cbqn ] || ln -s $out/bin/BQN $out/bin/cbqn
+
+     runHook postInstall
+  '';
+
+  meta = with lib; {
+    homepage = "https://github.com/dzaima/CBQN/";
+    description = "BQN implementation in C";
+    license = licenses.gpl3Plus;
+    maintainers = with maintainers; [ AndersonTorres sternenseemann synthetica shnarazk ];
+    platforms = platforms.all;
+  };
+}
+# TODO: version cbqn-bytecode-files
+# TODO: test suite