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{ lib, elixir, fetchFromGitHub, fetchMixDeps, mixRelease, nix-update-script }:
# Based on the work of Hauleth
# None of this would have happened without him
let
pname = "elixir-ls";
version = "0.16.0";
src = fetchFromGitHub {
owner = "elixir-lsp";
repo = "elixir-ls";
rev = "v${version}";
hash = "sha256-tEKwM5o3uXJ0cLY5USnQJ+HOGTSv6NDJvq+F/iqFEWs=";
fetchSubmodules = true;
};
in
mixRelease {
inherit pname version src elixir;
stripDebug = true;
mixFodDeps = fetchMixDeps {
pname = "mix-deps-${pname}";
inherit src version elixir;
hash = "sha256-jpjqMIQ9fS4nkkKWZ80Mx5vULm5bvnNHy52ZQcR0y8c=";
};
# elixir-ls is an umbrella app
# override configurePhase to not skip umbrella children
configurePhase = ''
runHook preConfigure
mix deps.compile --no-deps-check
runHook postConfigure
'';
# elixir-ls require a special step for release
# compile and release need to be performed together because
# of the no-deps-check requirement
buildPhase = ''
runHook preBuild
mix do compile --no-deps-check, elixir_ls.release
runHook postBuild
'';
installPhase = ''
runHook preInstall
mkdir -p $out/bin
cp -Rv release $out/lib
# Prepare the wrapper script
substitute release/language_server.sh $out/bin/elixir-ls \
--replace 'exec "''${dir}/launch.sh"' "exec $out/lib/launch.sh"
chmod +x $out/bin/elixir-ls
# prepare the launcher
substituteInPlace $out/lib/launch.sh \
--replace "ERL_LIBS=\"\$SCRIPTPATH:\$ERL_LIBS\"" \
"ERL_LIBS=$out/lib:\$ERL_LIBS" \
--replace "exec elixir" "exec ${elixir}/bin/elixir"
runHook postInstall
'';
meta = with lib; {
homepage = "https://github.com/elixir-lsp/elixir-ls";
description = ''
A frontend-independent IDE "smartness" server for Elixir.
Implements the "Language Server Protocol" standard and provides debugger support via the "Debug Adapter Protocol"
'';
longDescription = ''
The Elixir Language Server provides a server that runs in the background, providing IDEs, editors, and other tools with information about Elixir Mix projects.
It adheres to the Language Server Protocol, a standard for frontend-independent IDE support.
Debugger integration is accomplished through the similar VS Code Debug Protocol.
'';
license = licenses.asl20;
platforms = platforms.unix;
mainProgram = "elixir-ls";
maintainers = teams.beam.members;
};
passthru.updateScript = nix-update-script { };
}
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