1 files changed, 48 insertions, 10 deletions
diff --git a/nixpkgs/pkgs/development/tools/rust/rust-analyzer/default.nix b/nixpkgs/pkgs/development/tools/rust/rust-analyzer/default.nix
index d8b31810c54c..4a30a70fa09a 100644
--- a/nixpkgs/pkgs/development/tools/rust/rust-analyzer/default.nix
+++ b/nixpkgs/pkgs/development/tools/rust/rust-analyzer/default.nix
@@ -1,16 +1,54 @@
-{ pkgs, callPackage, CoreServices }:
+{ lib, stdenv, fetchFromGitHub, rustPlatform, CoreServices, cmake
+, libiconv
+, useMimalloc ? false
+, doCheck ? true
+}:
 
-{
-  rust-analyzer-unwrapped = callPackage ./generic.nix rec {
-    rev = "2021-03-22";
-    version = "unstable-${rev}";
-    sha256 = "sha256-Q8yr5x4+R9UCk5kw/nJgBtGVBeZTDwyuwpyNJUKSPzA=";
-    cargoSha256 = "sha256-cJ5KPNrX1H4IfHENDGyU2rgxl5TTqvoeXk7558oqwuA=";
+rustPlatform.buildRustPackage rec {
+  pname = "rust-analyzer-unwrapped";
+  version = "2021-04-19";
+  cargoSha256 = "sha256-CXkI3CQ/v6RBMM2Dpp2u+qnRwba+nqzeaPSJGBiQUoY=";
 
-    inherit CoreServices;
+  src = fetchFromGitHub {
+    owner = "rust-analyzer";
+    repo = "rust-analyzer";
+    rev = version;
+    sha256 = "sha256-W/cUwZEvlUXzqQ/futeNFwDWR/cTL/RLZaW2srIs83Q=";
   };
 
-  rust-analyzer = callPackage ./wrapper.nix {} {
-    unwrapped = pkgs.rust-analyzer-unwrapped;
+  buildAndTestSubdir = "crates/rust-analyzer";
+
+  cargoBuildFlags = lib.optional useMimalloc "--features=mimalloc";
+
+  nativeBuildInputs = lib.optional useMimalloc cmake;
+
+  buildInputs = lib.optionals stdenv.isDarwin [
+    CoreServices
+    libiconv
+  ];
+
+  RUST_ANALYZER_REV = version;
+
+  inherit doCheck;
+  preCheck = lib.optionalString doCheck ''
+    export RUST_SRC_PATH=${rustPlatform.rustLibSrc}
+  '';
+
+  doInstallCheck = true;
+  installCheckPhase = ''
+    runHook preInstallCheck
+    versionOutput="$($out/bin/rust-analyzer --version)"
+    echo "'rust-analyzer --version' returns: $versionOutput"
+    [[ "$versionOutput" == "rust-analyzer ${version}" ]]
+    runHook postInstallCheck
+  '';
+
+  passthru.updateScript = ./update.sh;
+
+  meta = with lib; {
+    description = "An experimental modular compiler frontend for the Rust language";
+    homepage = "https://github.com/rust-analyzer/rust-analyzer";
+    license = with licenses; [ mit asl20 ];
+    maintainers = with maintainers; [ oxalica ];
   };
 }