summaryrefslogtreecommitdiff
path: root/pkgs/development/interpreters/lua-5/wrapper.nix
blob: 09399efc95cae2067322e1f6bbb9b57075085991 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
{
  lib,
  stdenv,
  lua,
  buildEnv,
  makeWrapper,
  extraLibs ? [ ],
  extraOutputsToInstall ? [ ],
  postBuild ? "",
  ignoreCollisions ? false,
  requiredLuaModules,
  makeWrapperArgs ? [ ],
}:

# Create a lua executable that knows about additional packages.
let
  env =
    let
      paths = [ lua ] ++ requiredLuaModules extraLibs;
    in
    buildEnv {
      name = "${lua.name}-env";

      inherit paths;
      inherit ignoreCollisions;
      extraOutputsToInstall = [ "out" ] ++ extraOutputsToInstall;

      nativeBuildInputs = [
        makeWrapper
      ];

      # we create wrapper for the binaries in the different packages
      postBuild = ''
        source ${lua}/nix-support/utils.sh
        if [ -L "$out/bin" ]; then
            unlink "$out/bin"
        fi
        mkdir -p "$out/bin"

        buildLuaPath "$out"

        # take every binary from lua packages and put them into the env
        for path in ${lib.concatStringsSep " " paths}; do
          nix_debug "looking for binaries in path = $path"
          if [ -d "$path/bin" ]; then
            cd "$path/bin"
            for prg in *; do
              if [ -f "$prg" ]; then
                rm -f "$out/bin/$prg"
                if [ -x "$prg" ]; then
                  nix_debug "Making wrapper $prg"
                  makeWrapper "$path/bin/$prg" "$out/bin/$prg" \
                    --set-default LUA_PATH ";;" \
                    --suffix LUA_PATH ';' "$LUA_PATH" \
                    --set-default LUA_CPATH ";;" \
                    --suffix LUA_CPATH ';' "$LUA_CPATH" \
                    ${lib.concatStringsSep " " makeWrapperArgs}
                fi
              fi
            done
          fi
        done
      ''
      + postBuild;

      inherit (lua) meta;

      passthru = lua.passthru // {
        interpreter = "${env}/bin/lua";
        inherit lua;
        luaPath = lua.pkgs.luaLib.genLuaPathAbsStr env;
        luaCpath = lua.pkgs.luaLib.genLuaCPathAbsStr env;
        env = stdenv.mkDerivation {
          name = "interactive-${lua.name}-environment";
          nativeBuildInputs = [ env ];

          buildCommand = ''
            echo >&2 ""
            echo >&2 "*** lua 'env' attributes are intended for interactive nix-shell sessions, not for building! ***"
            echo >&2 ""
            exit 1
          '';
        };
      };
    };
in
env