nixos/packages/krita.nix

{
    lib,
    appimageTools,
    fetchurl,
    makeWrapper
}:

let
    version = "6.0.3";
    pname = "krita-appimage";

    src = fetchurl {
        url = "https://download.kde.org/stable/krita/${version}/krita-${version}-x86_64.AppImage";
        # Calculate this for each version with the following: nix store prefetch-file --hash-type sha256 "https://download.kde.org/stable/krita/6.0.3/krita-6.0.3-x86_64.AppImage"

        hash = "sha256-xeExFExqU94O2KMkQNh8/RseoeqrZVCdbYGHeX0+KbM=";
    };

    appimageContents = appimageTools.extract { inherit pname version src; };
in
appimageTools.wrapType2 {
    inherit pname version src;

    extraInstallCommands = ''
        install -m 444 -D ${appimageContents}/org.kde.krita.desktop $out/share/applications/krita.desktop
        install -m 444 -D ${appimageContents}/krita.png $out/share/icons/hicolor/256x256/apps/krita.png
        substituteInPlace $out/share/applications/krita.desktop \
            --replace-fail "Exec=krita" "Exec=krita-appimage"

        source ${makeWrapper}/nix-support/setup-hook
        wrapProgram $out/bin/${pname} \
            --set FONTCONFIG_FILE /etc/fonts/fonts.conf
    '';
 
    meta = {
        description = "Digital painting and illustration application";
        homepage = "https://krita.org";
        license = lib.licenses.gpl3Only;
        platforms = [ "x86_64-linux" ];
        maintainers = with lib.maintainers; [ ];
    };
}