From 397b6492832866fb4d4d7e4ea837376acc14512d Mon Sep 17 00:00:00 2001
From: Michael Raskin <7c6f434c@mail.ru>
Date: Sat, 16 Oct 2021 20:57:36 +0200
Subject: [PATCH] luaPackages.luarocks-3_7: init so that the reverted update
 can be accessed if desired

---
 pkgs/development/tools/misc/luarocks/3.7.nix  | 82 +++++++++++++++++++
 .../tools/misc/luarocks/darwin-3.7.0.patch    | 24 ++++++
 pkgs/top-level/lua-packages.nix               |  4 +
 3 files changed, 110 insertions(+)
 create mode 100644 pkgs/development/tools/misc/luarocks/3.7.nix
 create mode 100644 pkgs/development/tools/misc/luarocks/darwin-3.7.0.patch

diff --git a/pkgs/development/tools/misc/luarocks/3.7.nix b/pkgs/development/tools/misc/luarocks/3.7.nix
new file mode 100644
index 000000000000..aa49af753b32
--- /dev/null
+++ b/pkgs/development/tools/misc/luarocks/3.7.nix
@@ -0,0 +1,82 @@
+{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 = "3.7.0";
+
+  src = fetchFromGitHub {
+    owner = "luarocks";
+    repo = "luarocks";
+    rev = "v${version}";
+    sha256 = "1sn2j7hv8nbdjqj1747glk9770zw8q5v8ivaxhvwbk3vl038ck9d";
+  };
+
+  patches = [ ./darwin-3.7.0.patch ];
+
+  postPatch = lib.optionalString stdenv.targetPlatform.isDarwin ''
+    substituteInPlace src/luarocks/core/cfg.lua --subst-var-by 'darwinMinVersion' '${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/";
+    updateWalker = true;
+  };
+}
diff --git a/pkgs/development/tools/misc/luarocks/darwin-3.7.0.patch b/pkgs/development/tools/misc/luarocks/darwin-3.7.0.patch
new file mode 100644
index 000000000000..3252e6ae7b4f
--- /dev/null
+++ b/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
+ 
diff --git a/pkgs/top-level/lua-packages.nix b/pkgs/top-level/lua-packages.nix
index e1387e42b785..efaf06d30a22 100644
--- a/pkgs/top-level/lua-packages.nix
+++ b/pkgs/top-level/lua-packages.nix
@@ -67,6 +67,10 @@ in
     inherit lua lib;
   };
 
+  luarocks-3_7 = callPackage ../development/tools/misc/luarocks/3.7.nix {
+    inherit lua lib;
+  };
+
   # a fork of luarocks used to generate nix lua derivations from rockspecs
   luarocks-nix = callPackage ../development/tools/misc/luarocks/luarocks-nix.nix { };