beamPackages.expert: init at 0.1.0-rc.2

pkgs/development/beam-modules/default.nix

@@ -90,6 +90,7 @@ let
       };
 
       elixir-ls = callPackage ./elixir-ls { inherit elixir; };
+      expert = callPackage ./expert { };
 
       lfe = callPackage ../interpreters/lfe { inherit erlang buildRebar3 buildHex; };
 

pkgs/development/beam-modules/expert/default.nix

@@ -0,0 +1,75 @@
+{
+  erlang,
+  fetchFromGitHub,
+  mixRelease,
+  lib,
+  fetchMixDeps,
+}:
+let
+  version = "0.1.0-rc.2";
+
+  src = fetchFromGitHub {
+    owner = "elixir-lang";
+    repo = "expert";
+    tag = "v${version}";
+    hash = "sha256-5BGI0bLGCvYyMT4GNHLalin1jg9UW6qtFC7B8OssHCc=";
+  };
+
+  engineDeps = fetchMixDeps {
+    pname = "mix-deps-expert-engine";
+
+    inherit src version;
+    hash = "sha256-PTyPLyo85N0BltX9oIRhHDGKgmNScb10N129wC8o6Q4=";
+
+    preConfigure = ''
+      cd apps/engine
+    '';
+  };
+in
+mixRelease rec {
+  pname = "expert";
+  inherit src version;
+
+  mixFodDeps = fetchMixDeps {
+    pname = "mix-deps-${pname}";
+    inherit src version;
+    hash = "sha256-T5OSjoglZfQa1lMO2lOZJ7yWoyxf6m33rKGuy4zq2AE=";
+
+    preConfigure = ''
+      cd apps/expert
+    '';
+  };
+
+  mixReleaseName = "plain";
+
+  preConfigure = ''
+    ln -sv ${engineDeps} apps/engine/deps
+
+    cd apps/expert
+  '';
+
+  postInstall = ''
+    mv $out/bin/plain $out/bin/expert
+
+    wrapProgram $out/bin/expert --add-flag "eval" --add-flag "System.no_halt(true); Application.ensure_all_started(:xp_expert)"
+  '';
+
+  removeCookie = false;
+
+  passthru = {
+    inherit engineDeps;
+  };
+
+  meta = {
+    homepage = "https://github.com/elixir-lang/expert";
+    changelog = "https://github.com/elixir-lang/expert/releases/tag/v${version}";
+    description = "Official Elixir Language Server Protocol implementation";
+    longDescription = ''
+      Expert is the official language server implementation for the Elixir programming language.
+    '';
+    license = lib.licenses.asl20;
+    inherit (erlang.meta) platforms;
+    mainProgram = "expert";
+    teams = [ lib.teams.beam ];
+  };
+}