46 lines
1.5 KiB
Nix
46 lines
1.5 KiB
Nix
{
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lua,
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lib,
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fennel,
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stdenv,
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}:
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name:
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{
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packages ? [ ],
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macros ? [ ],
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correlate ? false,
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mainFunction ? null,
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}:
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source:
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let
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inherit (builtins) concatStringsSep replaceStrings map;
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luapath = map (
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f: "${f}/share/lua/${lua.luaversion}/?.lua;" + "${f}/share/lua/${lua.luaversion}/?/init.lua;"
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) packages;
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luacpath = map (f: "${f}/lib/lua/${lua.luaversion}/?.so;") packages;
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macropath = concatStringsSep ";"
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(map (f: "${f}/share/lua/${lua.luaversion}/?.fnl") macros);
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luaFlags = lib.optionalString (mainFunction != null) "-e dofile(arg[0]).${mainFunction}()";
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quoteString = string : "'${replaceStrings ["'"] ["'\\''"] string}'";
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in
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stdenv.mkDerivation {
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inherit name;
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src = ./.;
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nativeBuildInputs = [ fennel ];
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buildPhase = ''
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(
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echo "#!${lua}/bin/lua ${luaFlags}"
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echo "package.path = ${quoteString (concatStringsSep "" luapath)} .. package.path"
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echo "package.cpath = ${quoteString (concatStringsSep "" luacpath)} .. package.cpath"
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echo "local ok, stdlib = pcall(require,'posix.stdlib'); if ok then stdlib.setenv('PATH',${quoteString (lib.makeBinPath packages)} .. \":\" .. os.getenv('PATH')) end"
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echo "local ok, ll = pcall(require,'lualinux'); if ok then ll.setenv('PATH',${quoteString (lib.makeBinPath packages)} .. \":\" .. os.getenv('PATH')) end"
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fennel ${if macropath != "" then "--add-macro-path ${quoteString macropath}" else ""} ${if correlate then "--correlate" else ""} --compile ${source}
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) > ${name}.lua
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'';
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installPhase = ''
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cp ${name}.lua $out
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chmod +x $out
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'';
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}
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