1{
2 lib,
3 elixir,
4 fetchFromGitHub,
5 fetchMixDeps,
6 mixRelease,
7 nix-update-script,
8}:
9# Based on the work of Hauleth
10# None of this would have happened without him
11
12let
13 pname = "elixir-ls";
14 version = "0.28.1";
15 src = fetchFromGitHub {
16 owner = "elixir-lsp";
17 repo = "elixir-ls";
18 rev = "v${version}";
19 hash = "sha256-r4P+3MPniDNdF3SG2jfBbzHsoxn826eYd2tsv6bJBoI=";
20 };
21in
22mixRelease {
23 inherit
24 pname
25 version
26 src
27 elixir
28 ;
29
30 stripDebug = true;
31
32 mixFodDeps = fetchMixDeps {
33 pname = "mix-deps-${pname}";
34 inherit src version elixir;
35 hash = "sha256-8zs+99jwf+YX5SwD65FCPmfrYhTCx4AQGCGsDeCKxKc=";
36 };
37
38 # elixir-ls is an umbrella app
39 # override configurePhase to not skip umbrella children
40 configurePhase = ''
41 runHook preConfigure
42 mix deps.compile --no-deps-check
43 runHook postConfigure
44 '';
45
46 # elixir-ls require a special step for release
47 # compile and release need to be performed together because
48 # of the no-deps-check requirement
49 buildPhase = ''
50 runHook preBuild
51 mix do compile --no-deps-check, elixir_ls.release${lib.optionalString (lib.versionAtLeast elixir.version "1.16.0") "2"}
52 runHook postBuild
53 '';
54
55 installPhase = ''
56 runHook preInstall
57 mkdir -p $out/bin
58 cp -Rv release $out/lib
59 # Prepare the wrapper script
60 substitute release/language_server.sh $out/bin/elixir-ls \
61 --replace 'exec "''${dir}/launch.sh"' "exec $out/lib/launch.sh"
62 chmod +x $out/bin/elixir-ls
63
64 substitute release/debug_adapter.sh $out/bin/elixir-debug-adapter \
65 --replace 'exec "''${dir}/launch.sh"' "exec $out/lib/launch.sh"
66 chmod +x $out/bin/elixir-debug-adapter
67 # prepare the launchers
68 substituteInPlace $out/lib/launch.sh \
69 --replace "ERL_LIBS=\"\$SCRIPTPATH:\$ERL_LIBS\"" \
70 "ERL_LIBS=$out/lib:\$ERL_LIBS" \
71 --replace "exec elixir" "exec ${elixir}/bin/elixir" \
72 --replace 'echo "" | elixir' "echo \"\" | ${elixir}/bin/elixir"
73 substituteInPlace $out/lib/exec.zsh \
74 --replace "exec elixir" "exec ${elixir}/bin/elixir"
75 runHook postInstall
76 '';
77
78 meta = with lib; {
79 homepage = "https://github.com/elixir-lsp/elixir-ls";
80 description = ''
81 A frontend-independent IDE "smartness" server for Elixir.
82 Implements the "Language Server Protocol" standard and provides debugger support via the "Debug Adapter Protocol"
83 '';
84 longDescription = ''
85 The Elixir Language Server provides a server that runs in the background, providing IDEs, editors, and other tools with information about Elixir Mix projects.
86 It adheres to the Language Server Protocol, a standard for frontend-independent IDE support.
87 Debugger integration is accomplished through the similar VS Code Debug Protocol.
88 '';
89 license = licenses.asl20;
90 platforms = platforms.unix;
91 mainProgram = "elixir-ls";
92 teams = [ teams.beam ];
93 };
94 passthru.updateScript = nix-update-script { };
95}