commit e5ab764deb4253136fe0f92a4e91a30611432882
Author: Martin Potier <martin.potier@relexsolutions.com>
Date:   Tue Feb 20 13:20:44 2018 +0200

    Initial commit

diff --git a/default.nix b/default.nix
new file mode 100644
index 0000000..70e8c83
--- /dev/null
+++ b/default.nix
@@ -0,0 +1,3 @@
+{
+  nixpkgs.overlays = [ (import ./pkgs) ];
+}
diff --git a/pkgs/default.nix b/pkgs/default.nix
new file mode 100644
index 0000000..f59c8f8
--- /dev/null
+++ b/pkgs/default.nix
@@ -0,0 +1,22 @@
+# This overlay provides a set of stable ressources to make bravo-vpn work
+# reliably.
+
+self: super:
+
+{
+  qutebrowserWE = super.qutebrowser.override { withWebEngineDefault = true; };
+  kitty = super.callPackage ./kitty {};
+  iosevka-hskl = let
+    tags = [
+      "ss08" # Use Pragmata Pro Style
+      "term" # Disable ligature/ligation
+    ];
+  in
+  super.iosevka.override {
+    nodejs = super.nodejs-8_x;
+    design = tags;
+    set = "PPStyle";
+  };
+
+}
+
diff --git a/pkgs/kitty/default.nix b/pkgs/kitty/default.nix
new file mode 100755
index 0000000..ad074de
--- /dev/null
+++ b/pkgs/kitty/default.nix
@@ -0,0 +1,45 @@
+{ stdenv, fetchFromGitHub, pkgs, python3Packages, glfw, libunistring, harfbuzz, fontconfig, zlib, pkgconfig, ncurses, imagemagick, makeWrapper, xsel, libstartup_notification, libX11, libXrandr, libXinerama, libXcursor, libxkbcommon, libXi, libXext }:
+
+with python3Packages;
+buildPythonApplication rec {
+  version = "0.7.0";
+  name = "kitty-${version}";
+  format = "other";
+
+  src = fetchFromGitHub {
+    owner = "kovidgoyal";
+    repo = "kitty";
+    rev = "v${version}";
+    sha256 = "0x92w30caym042bmln6nw6f3v764sg06c2kb9hrwpmh6nhlxcs90";
+  };
+
+  buildInputs = [ fontconfig glfw ncurses libunistring harfbuzz libX11 libXrandr libXinerama libXcursor libxkbcommon libXi libXext ];
+
+  nativeBuildInputs = [ pkgconfig ];
+
+  postPatch = ''
+    substituteInPlace kitty/utils.py \
+      --replace "find_library('startup-notification-1')" "'${libstartup_notification}/lib/libstartup-notification-1.so'"
+    '';
+
+  buildPhase = ''
+    python3 setup.py linux-package
+  '';
+
+  installPhase = ''
+    runHook preInstall
+    mkdir -p $out
+    cp -r linux-package/{bin,share,lib} $out
+    wrapProgram "$out/bin/kitty" --prefix PATH : "$out/bin:${stdenv.lib.makeBinPath [ imagemagick xsel ]}"
+    runHook postInstall
+  '';
+
+  meta = with stdenv.lib; {
+    homepage = https://github.com/kovidgoyal/kitty;
+    description = "A modern, hackable, featureful, OpenGL based terminal emulator";
+    license = licenses.gpl3;
+    platforms = platforms.linux;
+    maintainers = with maintainers; [ tex ];
+  };
+}
+
diff --git a/pkgs/kitty/harfbuzz.nix b/pkgs/kitty/harfbuzz.nix
new file mode 100755
index 0000000..f5756d1
--- /dev/null
+++ b/pkgs/kitty/harfbuzz.nix
@@ -0,0 +1,56 @@
+{ stdenv, fetchurl, pkgconfig, glib, freetype, cairo, libintlOrEmpty
+, icu, graphite2, harfbuzz # The icu variant uses and propagates the non-icu one.
+, withIcu ? false # recommended by upstream as default, but most don't needed and it's big
+, withGraphite2 ? true # it is small and major distros do include it
+}:
+
+let
+  version = "1.5.1";
+  inherit (stdenv.lib) optional optionals optionalString;
+in
+
+stdenv.mkDerivation {
+  name = "harfbuzz${optionalString withIcu "-icu"}-${version}";
+
+  src = fetchurl {
+    url = "http://www.freedesktop.org/software/harfbuzz/release/harfbuzz-${version}.tar.bz2";
+    sha256 = "56838dfdad2729b8866763c82d623354d138a4d99d9ffb710c7d377b5cfc7c51";
+  };
+
+  outputs = [ "out" "dev" ];
+  outputBin = "dev";
+
+  configureFlags = [
+    ( "--with-graphite2=" + (if withGraphite2 then "yes" else "no") ) # not auto-detected by default
+    ( "--with-icu=" +       (if withIcu       then "yes" else "no") )
+  ];
+
+  nativeBuildInputs = [ pkgconfig ];
+  buildInputs = [ glib freetype cairo ] # recommended by upstream
+    ++ libintlOrEmpty;
+  propagatedBuildInputs = []
+    ++ optional withGraphite2 graphite2
+    ++ optionals withIcu [ icu harfbuzz ]
+    ;
+
+  # Slightly hacky; some pkgs expect them in a single directory.
+  postInstall = optionalString withIcu ''
+    rm "$out"/lib/libharfbuzz.* "$dev/lib/pkgconfig/harfbuzz.pc"
+    ln -s {'${harfbuzz.out}',"$out"}/lib/libharfbuzz.la
+    ln -s {'${harfbuzz.dev}',"$dev"}/lib/pkgconfig/harfbuzz.pc
+    ${optionalString stdenv.isDarwin ''
+      ln -s {'${harfbuzz.out}',"$out"}/lib/libharfbuzz.dylib
+      ln -s {'${harfbuzz.out}',"$out"}/lib/libharfbuzz.0.dylib
+    ''}
+  '';
+
+  meta = with stdenv.lib; {
+    description = "An OpenType text shaping engine";
+    homepage = http://www.freedesktop.org/wiki/Software/HarfBuzz;
+    downloadPage = "https://www.freedesktop.org/software/harfbuzz/release/";
+    maintainers = [ maintainers.eelco ];
+    platforms = with platforms; linux ++ darwin;
+    inherit version;
+    updateWalker = true;
+  };
+}