Add 'infra/libkookie/nixpkgs/' from commit 'e9158eca70ae59e73fae23be5d13d3fa0cfc78b4'

git-subtree-dir: infra/libkookie/nixpkgs
git-subtree-mainline: 2e04b35e5ac3a9123cafffbc84494fa4d389cca0
git-subtree-split: e9158eca70ae59e73fae23be5d13d3fa0cfc78b4

2 files changed, 59 insertions, 0 deletions

diff --git a/infra/libkookie/nixpkgs/pkgs/development/tools/clang-tools/default.nix b/infra/libkookie/nixpkgs/pkgs/development/tools/clang-tools/default.nix
new file mode 100644
index 000000000000..2e8f48901aba
--- /dev/null
+++ b/infra/libkookie/nixpkgs/pkgs/development/tools/clang-tools/default.nix
@@ -0,0 +1,39 @@
+{ stdenv, llvmPackages }:
+
+let
+  clang = llvmPackages.clang-unwrapped;
+
+in stdenv.mkDerivation {
+  pname = "clang-tools";
+  version = stdenv.lib.getVersion clang;
+
+  dontUnpack = true;
+
+  installPhase = ''
+    runHook preInstall
+
+    mkdir -p $out/bin
+    export libc_includes="${stdenv.lib.getDev stdenv.cc.libc}/include"
+    export libcpp_includes="${llvmPackages.libcxx}/include/c++/v1"
+
+    export clang=${clang}
+    substituteAll ${./wrapper} $out/bin/clangd
+    chmod +x $out/bin/clangd
+    for tool in \
+      clang-apply-replacements \
+      clang-check \
+      clang-format \
+      clang-rename \
+      clang-tidy
+    do
+      ln -s $out/bin/clangd $out/bin/$tool
+    done
+
+    runHook postInstall
+  '';
+
+  meta = clang.meta // {
+    description = "Standalone command line tools for C++ development";
+    maintainers = with stdenv.lib.maintainers; [ aherrmann ];
+  };
+}
diff --git a/infra/libkookie/nixpkgs/pkgs/development/tools/clang-tools/wrapper b/infra/libkookie/nixpkgs/pkgs/development/tools/clang-tools/wrapper
new file mode 100644
index 000000000000..53c99a67f2d3
--- /dev/null
+++ b/infra/libkookie/nixpkgs/pkgs/development/tools/clang-tools/wrapper
@@ -0,0 +1,20 @@
+#!/bin/sh
+
+buildcpath() {
+  local path
+  while (( $# )); do
+    case $1 in
+        -isystem)
+            shift
+            path=$path${path:+':'}$1
+    esac
+    shift
+  done
+  echo $path
+}
+
+export CPATH=${CPATH}${CPATH:+':'}$(buildcpath ${NIX_CFLAGS_COMPILE})
+export CPATH=${CPATH}${CPATH:+':'}@libc_includes@
+export CPLUS_INCLUDE_PATH=${CPATH}${CPATH:+':'}@libcpp_includes@
+
+exec -a "$0" @clang@/bin/$(basename $0) "$@"