Goal is to improve separation between packages and utilities.
Can help with autocompletion/navigate nixpkgs faster.
Also it will help standardize how LUA_PATH is exported across packages,
so that one can more easily make lua changes across nixpkgs (for
instance changing where lua modules are installed).
mullvad-ns
Matthieu Coudron
3 years ago
parent
0b6d33c2ed
commit
88842910b5
@ -0,0 +1,63 @@ |
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{ pkgs, lib, lua }: |
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let |
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requiredLuaModules = drvs: with lib; let |
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modules = filter hasLuaModule drvs; |
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in unique ([lua] ++ modules ++ concatLists (catAttrs "requiredLuaModules" modules)); |
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# Check whether a derivation provides a lua module. |
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hasLuaModule = drv: drv ? luaModule; |
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in |
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rec { |
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inherit hasLuaModule requiredLuaModules; |
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|
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luaPathList = [ |
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"share/lua/${lua.luaversion}/?.lua" |
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"share/lua/${lua.luaversion}/?/init.lua" |
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]; |
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luaCPathList = [ |
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"lib/lua/${lua.luaversion}/?.so" |
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]; |
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|
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/* generate paths without a prefix |
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*/ |
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luaPathRelStr = lib.concatStringsSep ";" luaPathList; |
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luaCPathRelStr = lib.concatStringsSep ";" luaCPathList; |
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|
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/* generate LUA_(C)PATH value for a specific derivation, i.e., with absolute paths |
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*/ |
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genLuaPathAbsStr = drv: lib.concatMapStringsSep ";" (x: "${drv}/${x}") luaPathList; |
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genLuaCPathAbsStr = drv: lib.concatMapStringsSep ";" (x: "${drv}/${x}") luaCPathList; |
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|
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/* Generate a LUA_PATH with absolute paths |
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*/ |
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# genLuaPathAbs = drv: |
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# lib.concatStringsSep ";" (map (x: "${drv}/x") luaPathList); |
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|
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luaAtLeast = lib.versionAtLeast lua.luaversion; |
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luaOlder = lib.versionOlder lua.luaversion; |
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isLua51 = (lib.versions.majorMinor lua.version) == "5.1"; |
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isLua52 = (lib.versions.majorMinor lua.version) == "5.2"; |
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isLua53 = lua.luaversion == "5.3"; |
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isLuaJIT = lib.getName lua == "luajit"; |
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|
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/* generates the relative path towards the folder where |
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seems stable even when using lua_modules_path = "" |
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|
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Example: |
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getDataFolder luaPackages.stdlib |
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=> stdlib-41.2.2-1-rocks/stdlib/41.2.2-1/doc |
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*/ |
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getDataFolder = drv: |
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"${drv.pname}-${drv.version}-rocks/${drv.pname}/${drv.version}"; |
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|
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/* Convert derivation to a lua module. |
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so that luaRequireModules can be run later |
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*/ |
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toLuaModule = drv: |
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drv.overrideAttrs( oldAttrs: { |
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# Use passthru in order to prevent rebuilds when possible. |
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passthru = (oldAttrs.passthru or {})// { |
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luaModule = lua; |
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requiredLuaModules = requiredLuaModules drv.propagatedBuildInputs; |
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}; |
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}); |
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} |
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