blueman-applet missing icons

[makefu]

Issue description

the blueman-applet GUI from the blueman package only shows half of the icons correctly, the rest is shown as missing icon:

Steps to reproduce

install via configuration.nix

environment.systemPackages = [ pkgs.blueman ]

start via:

$ blueman-applet

Technical details

• system: "x86_64-linux"
• host os: Linux 4.16.17, stockholm/NixOS, 18.08.git.makefu-simple-vm-5830-g54990bce-dirty@x/18.03.git.14946ec (Impala)
• multi-user?: yes
• sandbox: yes
• version: nix-env (Nix) 2.1pre6148_a4aac7f
• channels(root): ""
• nixpkgs: /var/src/nixpkgs

[makefu]

Issue still persists (18.09 stable). It seems like i would need some extra XDG things in my path but i am not totally sure what to do.

[gmarmstrong]

Adding gnome3.adwaita-icon-theme to the bulidInputs for blueman fixed this for me. This might need to be tweaked a bit for configuration.nix, but I put this in my home.nix (for home-manager):

{ nixpkgs.overlays = [
  (self: super: {
    blueman = super.blueman.overrideAttrs (oldAttrs: {
      buildInputs = oldAttrs.buildInputs ++ [ self.gnome3.adwaita-icon-theme ];
    });
  })];
}

[jtojnar]

You should install icon theme you prefer in environment.systemPackages, see the discussion in #43150 (comment)