forked from mirrors/nixpkgs
64 lines
2 KiB
Nix
64 lines
2 KiB
Nix
|
{ pkgs, lib, lua }:
|
||
|
|
let
|
||
|
|
requiredLuaModules = drvs: with lib; let
|
||
|
|
modules = filter hasLuaModule drvs;
|
||
|
|
in unique ([lua] ++ modules ++ concatLists (catAttrs "requiredLuaModules" modules));
|
||
|
|
# Check whether a derivation provides a lua module.
|
||
|
|
hasLuaModule = drv: drv ? luaModule;
|
||
|
|
in
|
||
|
|
rec {
|
||
|
|
inherit hasLuaModule requiredLuaModules;
|
||
|
|
|
||
|
|
luaPathList = [
|
||
|
|
"share/lua/${lua.luaversion}/?.lua"
|
||
|
|
"share/lua/${lua.luaversion}/?/init.lua"
|
||
|
|
];
|
||
|
|
luaCPathList = [
|
||
|
|
"lib/lua/${lua.luaversion}/?.so"
|
||
|
|
];
|
||
|
|
|
||
|
|
/* generate paths without a prefix
|
||
|
|
*/
|
||
|
|
luaPathRelStr = lib.concatStringsSep ";" luaPathList;
|
||
|
|
luaCPathRelStr = lib.concatStringsSep ";" luaCPathList;
|
||
|
|
|
||
|
|
/* generate LUA_(C)PATH value for a specific derivation, i.e., with absolute paths
|
||
|
|
*/
|
||
|
|
genLuaPathAbsStr = drv: lib.concatMapStringsSep ";" (x: "${drv}/${x}") luaPathList;
|
||
|
|
genLuaCPathAbsStr = drv: lib.concatMapStringsSep ";" (x: "${drv}/${x}") luaCPathList;
|
||
|
|
|
||
|
|
/* Generate a LUA_PATH with absolute paths
|
||
|
|
*/
|
||
|
|
# genLuaPathAbs = drv:
|
||
|
|
# lib.concatStringsSep ";" (map (x: "${drv}/x") luaPathList);
|
||
|
|
|
||
|
|
luaAtLeast = lib.versionAtLeast lua.luaversion;
|
||
|
|
luaOlder = lib.versionOlder lua.luaversion;
|
||
|
|
isLua51 = (lib.versions.majorMinor lua.version) == "5.1";
|
||
|
|
isLua52 = (lib.versions.majorMinor lua.version) == "5.2";
|
||
|
|
isLua53 = lua.luaversion == "5.3";
|
||
|
|
isLuaJIT = lib.getName lua == "luajit";
|
||
|
|
|
||
|
|
/* generates the relative path towards the folder where
|
||
|
|
seems stable even when using lua_modules_path = ""
|
||
|
|
|
||
|
|
Example:
|
||
|
|
getDataFolder luaPackages.stdlib
|
||
|
|
=> stdlib-41.2.2-1-rocks/stdlib/41.2.2-1/doc
|
||
|
|
*/
|
||
|
|
getDataFolder = drv:
|
||
|
|
"${drv.pname}-${drv.version}-rocks/${drv.pname}/${drv.version}";
|
||
|
|
|
||
|
|
/* Convert derivation to a lua module.
|
||
|
|
so that luaRequireModules can be run later
|
||
|
|
*/
|
||
|
|
toLuaModule = drv:
|
||
|
|
drv.overrideAttrs( oldAttrs: {
|
||
|
|
# Use passthru in order to prevent rebuilds when possible.
|
||
|
|
passthru = (oldAttrs.passthru or {})// {
|
||
|
|
luaModule = lua;
|
||
|
|
requiredLuaModules = requiredLuaModules drv.propagatedBuildInputs;
|
||
|
|
};
|
||
|
|
});
|
||
|
|
}
|