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/tools/misc/luarocks/darwin-3.7.0.patch

@@ -0,0 +1,24 @@
+diff --git a/src/luarocks/core/cfg.lua b/src/luarocks/core/cfg.lua
+index 535bd69..b017161 100644
+--- a/src/luarocks/core/cfg.lua
++++ b/src/luarocks/core/cfg.lua
+@@ -436,7 +436,7 @@ local function make_defaults(lua_version, target_cpu, platforms, home)
+       defaults.external_lib_extension = "dylib"
+       defaults.arch = "macosx-"..target_cpu
+       defaults.variables.LIBFLAG = "-bundle -undefined dynamic_lookup -all_load"
+-      local version = util.popen_read("sw_vers -productVersion")
++      local version = os.getenv("MACOSX_DEPLOYMENT_TARGET") or "@darwinMinVersion@"
+       if not (version:match("^%d+%.%d+%.%d+$") or version:match("^%d+%.%d+$")) then
+          version = "10.3"
+       end
+@@ -448,8 +448,8 @@ local function make_defaults(lua_version, target_cpu, platforms, home)
+       else
+          defaults.gcc_rpath = false
+       end
+-      defaults.variables.CC = "env MACOSX_DEPLOYMENT_TARGET="..tostring(version).." gcc"
+-      defaults.variables.LD = "env MACOSX_DEPLOYMENT_TARGET="..tostring(version).." gcc"
++      defaults.variables.CC = "env MACOSX_DEPLOYMENT_TARGET="..tostring(version).." clang"
++      defaults.variables.LD = "env MACOSX_DEPLOYMENT_TARGET="..tostring(version).." clang"
+       defaults.web_browser = "open"
+    end
+ 

pkgs/development/tools/misc/luarocks/default.nix

@@ -0,0 +1,81 @@
+{lib, stdenv, fetchFromGitHub
+, curl, makeWrapper, which, unzip
+, lua
+# for 'luarocks pack'
+, zip
+# some packages need to be compiled with cmake
+, cmake
+, installShellFiles
+}:
+
+stdenv.mkDerivation rec {
+  pname = "luarocks";
+  version = "3.8.0";
+
+  src = fetchFromGitHub {
+    owner = "luarocks";
+    repo = "luarocks";
+    rev = "v${version}";
+    sha256 = "sha256-tPSAtveOodF2w54d82hEyaTj91imtySJUTsk/gje2dQ=";
+  };
+
+  patches = [ ./darwin-3.7.0.patch ];
+
+  postPatch = lib.optionalString stdenv.targetPlatform.isDarwin ''
+    substituteInPlace src/luarocks/core/cfg.lua --subst-var-by 'darwinMinVersion' '${stdenv.targetPlatform.darwinMinVersion}'
+  '';
+
+  preConfigure = ''
+    lua -e "" || {
+        luajit -e "" && {
+            export LUA_SUFFIX=jit
+            configureFlags="$configureFlags --lua-suffix=$LUA_SUFFIX"
+        }
+    }
+    lua_inc="$(echo "${lua}/include"/*/)"
+    if test -n "$lua_inc"; then
+        configureFlags="$configureFlags --with-lua-include=$lua_inc"
+    fi
+  '';
+
+  nativeBuildInputs = [ makeWrapper installShellFiles ];
+
+  buildInputs = [ lua curl which ];
+
+  postInstall = ''
+    sed -e "1s@.*@#! ${lua}/bin/lua$LUA_SUFFIX@" -i "$out"/bin/*
+    for i in "$out"/bin/*; do
+        test -L "$i" || {
+            wrapProgram "$i" \
+              --suffix LUA_PATH ";" "$(echo "$out"/share/lua/*/)?.lua" \
+              --suffix LUA_PATH ";" "$(echo "$out"/share/lua/*/)?/init.lua" \
+              --suffix LUA_CPATH ";" "$(echo "$out"/lib/lua/*/)?.so" \
+              --suffix LUA_CPATH ";" "$(echo "$out"/share/lua/*/)?/init.lua"
+        }
+    done
+
+    installShellCompletion --cmd luarocks --bash <($out/bin/luarocks completion bash)
+    installShellCompletion --cmd luarocks --zsh <($out/bin/luarocks completion zsh)
+  '';
+
+  propagatedBuildInputs = [ zip unzip cmake ];
+
+  # unpack hook for src.rock and rockspec files
+  setupHook = ./setup-hook.sh;
+
+  # cmake is just to compile packages with "cmake" buildType, not luarocks itself
+  dontUseCmakeConfigure = true;
+
+  shellHook = ''
+    export PATH="src/bin:''${PATH:-}"
+    export LUA_PATH="src/?.lua;''${LUA_PATH:-}"
+  '';
+
+  meta = with lib; {
+    description = "A package manager for Lua";
+    license = licenses.mit ;
+    maintainers = with maintainers; [raskin teto];
+    platforms = platforms.linux ++ platforms.darwin;
+    downloadPage = "http://luarocks.org/releases/";
+  };
+}

pkgs/development/tools/misc/luarocks/luarocks-nix.nix

@@ -0,0 +1,14 @@
+{ luarocks, fetchFromGitHub }:
+luarocks.overrideAttrs(old: {
+  pname = "luarocks-nix";
+  version = "2021-01-22";
+  src = fetchFromGitHub {
+    owner = "nix-community";
+    repo = "luarocks-nix";
+    rev = "6aa1d59e88eaef72d699477c3e7aa98b274ca405";
+    sha256 = "sha256-nQLl01RFYZYhpShz0gHxnhwFPvTgALpAbjFPIuTD2D0=";
+  };
+  patches = [];
+
+  meta.mainProgram = "luarocks";
+})

pkgs/development/tools/misc/luarocks/setup-hook.sh

@@ -0,0 +1,16 @@
+unpackCmdHooks+=(_trySourceRock)
+unpackCmdHooks+=(_tryRockSpec)
+
+_tryRockSpec() {
+    if ! [[ "$curSrc" =~ \.rockspec$ ]]; then return 1; fi
+}
+
+_trySourceRock() {
+    if ! [[ "$curSrc" =~ \.src.rock$ ]]; then return 1; fi
+
+    # luarocks expects a clean <name>.rock.spec name to be the package name
+    # so we have to strip the hash
+    renamed="$(stripHash $curSrc)"
+    cp "$curSrc" "$renamed"
+    luarocks unpack --force "$renamed"
+}