1 files changed, 108 insertions, 0 deletions
diff --git a/pkgs/tools/graphics/goverlay/default.nix b/pkgs/tools/graphics/goverlay/default.nix
new file mode 100644
index 00000000000..43d711588f8
--- /dev/null
+++ b/pkgs/tools/graphics/goverlay/default.nix
@@ -0,0 +1,108 @@
+{ lib
+, writeScriptBin
+, bash
+, stdenv
+, fetchFromGitHub
+, fpc
+, lazarus-qt
+, qt5
+, libX11
+, libqt5pas
+, coreutils
+, git
+, gnugrep
+, libnotify
+, mesa-demos
+, polkit
+, procps
+, systemd
+, vulkan-tools
+, which
+}:
+
+let
+  # Finds data files using the XDG Base Directory Specification
+  # See https://specifications.freedesktop.org/basedir-spec/basedir-spec-latest.html
+  find-xdg-data-files = writeScriptBin "find-xdg-data-files" ''
+    #!${bash}/bin/sh
+    IFS=:
+    for xdg_data_dir in ''${XDG_DATA_HOME:-$HOME/.local/share}:''${XDG_DATA_DIRS:-/usr/local/share:/usr/share}; do
+      if [ -f "$xdg_data_dir/$1" ]; then
+        echo "$xdg_data_dir/$1"
+      fi
+    done
+  '';
+in stdenv.mkDerivation rec {
+  pname = "goverlay";
+  version = "0.5.1";
+
+  src = fetchFromGitHub {
+    owner = "benjamimgois";
+    repo = pname;
+    rev = version;
+    hash = "sha256-Zl1pq2MeGJsPdNlwUEpov5MHlsr9pSMkWHVprt8ImKs=";
+  };
+
+  outputs = [ "out" "man" ];
+
+  patches = [
+    # Find MangoHud & vkBasalt Vulkan layers using the XDG Base Directory Specification
+    ./find-xdg-data-files.patch
+  ];
+
+  postPatch = ''
+    substituteInPlace Makefile \
+      --replace 'prefix = /usr/local' "prefix = $out"
+
+    substituteInPlace overlayunit.pas \
+      --replace '/usr/share/icons/hicolor/128x128/apps/goverlay.png' "$out/share/icons/hicolor/128x128/apps/goverlay.png"
+  '';
+
+  nativeBuildInputs = [
+    fpc
+    lazarus-qt
+    qt5.wrapQtAppsHook
+  ];
+
+  buildInputs = [
+    libX11
+    libqt5pas
+  ];
+
+  NIX_LDFLAGS = "--as-needed -rpath ${lib.makeLibraryPath buildInputs}";
+
+  buildPhase = ''
+    runHook preBuild
+    HOME=$(mktemp -d) lazbuild --lazarusdir=${lazarus-qt}/share/lazarus -B goverlay.lpi
+    runHook postBuild
+  '';
+
+  qtWrapperArgs = [
+    "--prefix PATH : ${lib.makeBinPath [
+      bash
+      coreutils
+      find-xdg-data-files
+      git
+      gnugrep
+      libnotify
+      mesa-demos
+      polkit
+      procps
+      systemd
+      vulkan-tools
+      which
+    ]}"
+
+    # Force xcb since libqt5pas doesn't support Wayland
+    # See https://github.com/benjamimgois/goverlay/issues/107
+    "--set QT_QPA_PLATFORM xcb"
+  ];
+
+  meta = with lib; {
+    description = "An opensource project that aims to create a Graphical UI to help manage Linux overlays";
+    homepage = "https://github.com/benjamimgois/goverlay";
+    license = licenses.gpl3Plus;
+    maintainers = with maintainers; [ kira-bruneau ];
+    platforms = platforms.linux;
+  };
+}