tjh.dev
Clone of https://github.com/NixOS/nixpkgs.git (to stress-test knotserver)
1{ fetchFromGitHub, fetchgit, fetchHex, rebar3Relx, buildRebar3, rebar3-proper
2, stdenv, writeScript, lib, erlang }:
3let
4 version = "0.46.2";
5 owner = "erlang-ls";
6 repo = "erlang_ls";
7 deps = import ./rebar-deps.nix {
8 inherit fetchHex fetchFromGitHub fetchgit;
9 builder = buildRebar3;
10 overrides = (self: super: {
11 proper = super.proper.overrideAttrs (_: {
12 configurePhase = "true";
13 });
14 redbug = super.redbug.overrideAttrs (_: {
15 patchPhase = ''
16 substituteInPlace rebar.config --replace ", warnings_as_errors" ""
17 '';
18 });
19 });
20 };
21in
22rebar3Relx {
23 pname = "erlang-ls";
24 inherit version;
25 src = fetchFromGitHub {
26 inherit owner repo;
27 sha256 = "sha256-J0Qa8s8v/KT4/Jaj9JYsfvzviMUx8FnX0nMoeH8bkB8=";
28 rev = version;
29 };
30 releaseType = "escript";
31 beamDeps = builtins.attrValues deps;
32
33 # https://github.com/erlang-ls/erlang_ls/issues/1429
34 postPatch = ''
35 rm apps/els_lsp/test/els_diagnostics_SUITE.erl
36 '';
37
38 buildPlugins = [ rebar3-proper ];
39 buildPhase = "HOME=. make";
40 # based on https://github.com/erlang-ls/erlang_ls/blob/main/.github/workflows/build.yml
41 # these tests are excessively long and we should probably skip them
42 checkPhase = ''
43 HOME=. epmd -daemon
44 HOME=. rebar3 ct
45 HOME=. rebar3 proper --constraint_tries 100
46 '';
47 # tests seem to be a bit flaky on darwin, skip them for now
48 doCheck = !stdenv.isDarwin;
49 installPhase = ''
50 mkdir -p $out/bin
51 cp _build/default/bin/erlang_ls $out/bin/
52 cp _build/dap/bin/els_dap $out/bin/
53 '';
54 meta = with lib; {
55 homepage = "https://github.com/erlang-ls/erlang_ls";
56 description = "The Erlang Language Server";
57 platforms = platforms.unix;
58 license = licenses.asl20;
59 mainProgram = "erlang_ls";
60 };
61 passthru.updateScript = writeScript "update.sh" ''
62 #!/usr/bin/env nix-shell
63 #! nix-shell -i bash -p common-updater-scripts coreutils git gnused gnutar gzip "rebar3WithPlugins { globalPlugins = [ beamPackages.rebar3-nix ]; }"
64
65 set -ox errexit
66 latest=$(list-git-tags | sed -n '/[\d\.]\+/p' | sort -V | tail -1)
67 if [[ "$latest" != "${version}" ]]; then
68 nixpkgs="$(git rev-parse --show-toplevel)"
69 nix_path="$nixpkgs/pkgs/development/beam-modules/erlang-ls"
70 update-source-version erlang-ls "$latest" --version-key=version --print-changes --file="$nix_path/default.nix"
71 tmpdir=$(mktemp -d)
72 cp -R $(nix-build $nixpkgs --no-out-link -A erlang-ls.src)/* "$tmpdir"
73 DEBUG=1
74 (cd "$tmpdir" && HOME=. rebar3 as test nix lock -o "$nix_path/rebar-deps.nix")
75 else
76 echo "erlang-ls is already up-to-date"
77 fi
78 '';
79}