default.nix: Add git-clang-format as recommended in the Wiki

https://www.mixxx.org/wiki/doku.php/coding_guidelines#command_line

1 files changed, 30 insertions, 1 deletions

diff --git a/default.nix b/default.nix
index 6db0ec8a67..a07d88b5f9 100644
--- a/default.nix
+++ b/default.nix
@@ -3,7 +3,35 @@ let inherit (nixroot) stdenv pkgs lib
     chromaprint fftw flac libid3tag libmad libopus libshout libsndfile lilv 
     libusb1 libvorbis libebur128 pkgconfig portaudio portmidi protobuf qt5 glib
     rubberband scons sqlite taglib soundtouch vamp opusfile hidapi upower ccache git
-    libGLU x11 lame lv2 makeWrapper;
+    libGLU x11 lame lv2 makeWrapper
+    clang-tools
+    fetchurl
+    python3;
+
+  git-clang-format = stdenv.mkDerivation {
+    name = "git-clang-format";
+    version = "2019-06-21";
+    src = fetchurl {
+      url = "https://raw.githubusercontent.com/llvm-mirror/clang/2bb8e0fe002e8ffaa9ce5fa58034453c94c7e208/tools/clang-format/git-clang-format";
+      sha256 = "1kby36i80js6rwi11v3ny4bqsi6i44b9yzs23pdcn9wswffx1nlf";
+      executable = true;
+    };
+    nativeBuildInputs = [
+      makeWrapper
+    ];
+    buildInputs = [
+      clang-tools
+      python3
+    ];
+    unpackPhase = ":";
+    installPhase = ''
+      mkdir -p $out/opt $out/bin
+      cp $src $out/opt/git-clang-format
+      makeWrapper $out/opt/git-clang-format $out/bin/git-clang-format \
+        --add-flags --binary \
+        --add-flags ${clang-tools}/bin/clang-format
+    '';
+  };
 
   shell-build = nixroot.writeShellScriptBin "build" ''
     scons \
@@ -38,6 +66,7 @@ in stdenv.mkDerivation rec {
      ./.;
 
   nativeBuildInputs = [
+    git-clang-format
     shell-build shell-run
   ];