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1{ pkgs
2, lib
3, stdenv
4, fetchFromGitHub
5, erlang
6, makeWrapper
7, coreutils
8, curl
9, bash
10, debugInfo ? false
11}:
12
13{ baseName ? "elixir"
14, version
15, minimumOTPVersion
16, sha256 ? null
17, rev ? "v${version}"
18, src ? fetchFromGitHub { inherit rev sha256; owner = "elixir-lang"; repo = "elixir"; }
19, escriptPath ? "lib/elixir/generate_app.escript"
20} @ args:
21
22let
23 inherit (lib) getVersion versionAtLeast optional;
24
25in
26assert versionAtLeast (getVersion erlang) minimumOTPVersion;
27
28stdenv.mkDerivation ({
29 pname = "${baseName}";
30
31 inherit src version debugInfo;
32
33 nativeBuildInputs = [ makeWrapper ];
34 buildInputs = [ erlang ];
35
36 LANG = "C.UTF-8";
37 LC_TYPE = "C.UTF-8";
38
39 buildFlags = optional debugInfo "ERL_COMPILER_OPTIONS=debug_info";
40
41 preBuild = ''
42 patchShebangs ${escriptPath} || true
43
44 substituteInPlace Makefile \
45 --replace "/usr/local" $out
46 '';
47
48 postFixup = ''
49 # Elixir binaries are shell scripts which run erl. Add some stuff
50 # to PATH so the scripts can run without problems.
51
52 for f in $out/bin/*; do
53 b=$(basename $f)
54 if [ "$b" = mix ]; then continue; fi
55 wrapProgram $f \
56 --prefix PATH ":" "${lib.makeBinPath [ erlang coreutils curl bash ]}"
57 done
58
59 substituteInPlace $out/bin/mix \
60 --replace "/usr/bin/env elixir" "${coreutils}/bin/env $out/bin/elixir"
61 '';
62
63 pos = builtins.unsafeGetAttrPos "sha256" args;
64 meta = with lib; {
65 homepage = "https://elixir-lang.org/";
66 description = "A functional, meta-programming aware language built on top of the Erlang VM";
67
68 longDescription = ''
69 Elixir is a functional, meta-programming aware language built on
70 top of the Erlang VM. It is a dynamic language with flexible
71 syntax and macro support that leverages Erlang's abilities to
72 build concurrent, distributed and fault-tolerant applications
73 with hot code upgrades.
74 '';
75
76 license = licenses.epl10;
77 platforms = platforms.unix;
78 maintainers = teams.beam.members;
79 };
80})