From d906fda8d2b467e16d1b41842bf3b63aee3da449 Mon Sep 17 00:00:00 2001
From: Aaron Janse <aaron@ajanse.me>
Date: Thu, 15 Oct 2020 17:27:51 -0700
Subject: [PATCH] parameterize rustcSrc

---
 pkgs/build-support/rust/sysroot/default.nix  | 2 +-
 pkgs/development/compilers/rust/rust-src.nix | 7 +++++--
 2 files changed, 6 insertions(+), 3 deletions(-)

diff --git a/pkgs/build-support/rust/sysroot/default.nix b/pkgs/build-support/rust/sysroot/default.nix
index de82f2bf30af..c32b6577e35c 100644
--- a/pkgs/build-support/rust/sysroot/default.nix
+++ b/pkgs/build-support/rust/sysroot/default.nix
@@ -8,7 +8,7 @@ let
     preferLocalBuild = true;
     phases = [ "installPhase" ];
     installPhase = ''
-      RUSTC_SRC=${rustPlatform.rustcSrc} ORIG_CARGO=${originalCargoToml} \
+      RUSTC_SRC=${rustPlatform.rustcSrc.override { minimalContent = false; }} ORIG_CARGO=${originalCargoToml} \
         ${buildPackages.python3.withPackages (ps: with ps; [ toml ])}/bin/python3 ${./cargo.py}
       mkdir -p $out
       cp Cargo.toml $out/Cargo.toml
diff --git a/pkgs/development/compilers/rust/rust-src.nix b/pkgs/development/compilers/rust/rust-src.nix
index db48d9a95df6..54691f5fdf08 100644
--- a/pkgs/development/compilers/rust/rust-src.nix
+++ b/pkgs/development/compilers/rust/rust-src.nix
@@ -1,4 +1,4 @@
-{ stdenv, rustc }:
+{ lib, stdenv, rustc, minimalContent ? true }:
 
 stdenv.mkDerivation {
   name = "rust-src";
@@ -6,6 +6,9 @@ stdenv.mkDerivation {
   phases = [ "unpackPhase" "installPhase" ];
   installPhase = ''
     mv src $out
-    rm -rf $out/{ci,doc,etc,grammar,llvm-project,llvm-emscripten,rtstartup,rustllvm,test,vendor}
+    rm -rf $out/{${if minimalContent
+      then "ci,doc,etc,grammar,llvm-project,llvm-emscripten,rtstartup,rustllvm,test,tools,vendor,stdarch"
+      else "ci,doc,etc,grammar,llvm-project,llvm-emscripten,rtstartup,rustllvm,test,vendor"
+    }}
   '';
 }