From c4a06db832106d195bfccf1c937a72ff41be80b5 Mon Sep 17 00:00:00 2001
From: Artturin <Artturin@artturin.com>
Date: Fri, 5 May 2023 23:23:20 +0300
Subject: [PATCH] tests.rustCustomSysroot: remove unmaintained and broken by
 upstream test

---
 pkgs/test/default.nix              |  1 -
 pkgs/test/rust-sysroot/default.nix | 60 ------------------------------
 2 files changed, 61 deletions(-)
 delete mode 100644 pkgs/test/rust-sysroot/default.nix

diff --git a/pkgs/test/default.nix b/pkgs/test/default.nix
index bc810790a3d..9f684dcea72 100644
--- a/pkgs/test/default.nix
+++ b/pkgs/test/default.nix
@@ -53,7 +53,6 @@ with pkgs;
 
   pkg-config = recurseIntoAttrs (callPackage ../top-level/pkg-config/tests.nix { });
 
-  rustCustomSysroot = callPackage ./rust-sysroot {};
   buildRustCrate = callPackage ../build-support/rust/build-rust-crate/test { };
   importCargoLock = callPackage ../build-support/rust/test/import-cargo-lock { };
 
diff --git a/pkgs/test/rust-sysroot/default.nix b/pkgs/test/rust-sysroot/default.nix
deleted file mode 100644
index a5a1596504f..00000000000
--- a/pkgs/test/rust-sysroot/default.nix
+++ /dev/null
@@ -1,60 +0,0 @@
-{ lib, rust, rustPlatform, fetchFromGitHub }:
-
-let
-  mkBlogOsTest = target: rustPlatform.buildRustPackage rec {
-    name = "blog_os-sysroot-test";
-
-    src = fetchFromGitHub {
-        owner = "phil-opp";
-        repo = "blog_os";
-        rev = "4e38e7ddf8dd021c3cd7e4609dfa01afb827797b";
-        sha256 = "0k9ipm9ddm1bad7bs7368wzzp6xwrhyfzfpckdax54l4ffqwljcg";
-    };
-
-    cargoSha256 = "1x8iwgy1irgfkv2yjkxm6479nwbrk82b0c80jm7y4kw0s32r01lg";
-
-    inherit target;
-
-    RUSTFLAGS = "-C link-arg=-nostartfiles";
-
-    # Tests don't work for `no_std`. See https://os.phil-opp.com/testing/
-    doCheck = false;
-
-    meta = with lib; {
-        description = "Test for using custom sysroots with buildRustPackage";
-        maintainers = with maintainers; [ aaronjanse ];
-        platforms = lib.platforms.x86_64;
-    };
-  };
-
-  # The book uses rust-lld for linking, but rust-lld is not currently packaged for NixOS.
-  # The justification in the book for using rust-lld suggests that gcc can still be used for testing:
-  # > Instead of using the platform's default linker (which might not support Linux targets),
-  # > we use the cross platform LLD linker that is shipped with Rust for linking our kernel.
-  # https://github.com/phil-opp/blog_os/blame/7212ffaa8383122b1eb07fe1854814f99d2e1af4/blog/content/second-edition/posts/02-minimal-rust-kernel/index.md#L157
-  targetContents = {
-    "llvm-target" = "x86_64-unknown-none";
-    "data-layout" = "e-m:e-i64:64-f80:128-n8:16:32:64-S128";
-    "arch" = "x86_64";
-    "target-endian" = "little";
-    "target-pointer-width" = "64";
-    "target-c-int-width" = "32";
-    "os" = "none";
-    "executables" = true;
-    "linker-flavor" = "gcc";
-    "panic-strategy" = "abort";
-    "disable-redzone" = true;
-    "features" = "-mmx,-sse,+soft-float";
-  };
-
-in {
-  blogOS-targetByFile = mkBlogOsTest (builtins.toFile "x86_64-blog_os.json" (builtins.toJSON targetContents));
-  blogOS-targetByNix = let
-    plat = lib.systems.elaborate { config = "x86_64-none"; } // {
-      rustc = {
-        config = "x86_64-blog_os";
-        platform = targetContents;
-      };
-    };
-    in mkBlogOsTest (rust.toRustTargetSpec plat);
-}