From 56dc147d26aaa874e6618742169c5f71cd061267 Mon Sep 17 00:00:00 2001
From: happysalada <raphael@megzari.com>
Date: Mon, 10 May 2021 09:04:10 +0900
Subject: [PATCH] cargo-binutils: add longDescription

---
 .../tools/rust/cargo-binutils/default.nix        | 16 ++++++++++------
 1 file changed, 10 insertions(+), 6 deletions(-)

diff --git a/pkgs/development/tools/rust/cargo-binutils/default.nix b/pkgs/development/tools/rust/cargo-binutils/default.nix
index 5bec6ddc6ba..05629d613d7 100644
--- a/pkgs/development/tools/rust/cargo-binutils/default.nix
+++ b/pkgs/development/tools/rust/cargo-binutils/default.nix
@@ -13,16 +13,20 @@ rustPlatform.buildRustPackage rec {
         rev = "v${version}";
         sha256 = "sha256-Dgn+f4aSsDSh+RC8yvt3ydkdtwib5jEVsnZkod5c7Vo=";
       };
-  in runCommand "source" { } ''
-    cp -R ${repo} $out
-    chmod -R +w $out
-    cp ${./Cargo.lock} $out/Cargo.lock
-  '';
+    in
+    runCommand "source" { } ''
+      cp -R ${repo} $out
+      chmod -R +w $out
+      cp ${./Cargo.lock} $out/Cargo.lock
+    '';
 
   cargoSha256 = "sha256-Zrl269PacPi81TrGTIDzmVndgGY5i5lYyspiOj43rpw=";
 
   meta = with lib; {
-    description = "Cargo subcommands to invoke the LLVM tools shipped with the Rust toolchain";
+    description = "Cargo subcommands to invoke the LLVM tools shipped with the Rust toolchain.";
+    longDescription = ''
+      In order for this to work, you either need to run `rustup component add llvm-tools-preview` or install the `llvm-tools-preview` component using your Nix library (e.g. nixpkgs-mozilla, or rust-overlay)
+    '';
     homepage = "https://github.com/rust-embedded/cargo-binutils";
     license = with licenses; [ asl20 mit ];
     maintainers = with maintainers; [ stupremee ];