Use NixOs on Ingenico laptop

hosts/ingenico-laptop-ubuntu/configuration.nix

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+{ config, lib, pkgs, ... }:
+{
+  imports = [
+    ../../configs/home/ubuntu-full.nix
+  ];
+
+  programs.home-manager.enable = true;
+  home.username = "froidmpa";
+  home.homeDirectory = "/home/froidmpa";
+
+  services = {
+    network-manager-applet.enable = true;
+    blueman-applet.enable = true;
+    grobi = {
+      enable = true;
+      executeAfter = ["${pkgs.systemd}/bin/systemctl --user restart stalonetray" "${pkgs.feh}/bin/feh --bg-fill ~/.wallpaper.png"];
+      rules = [
+        {
+          name = "Work HDMI";
+          outputs_connected = [ "HDMI-1" ];
+          configure_single = "HDMI-1";
+          primary = true;
+          atomic = true;
+        }
+        {
+          name = "Work USBC";
+          outputs_connected = [ "DP-1" ];
+          configure_single = "DP-1";
+          primary = true;
+          atomic = true;
+        }
+        {
+          name = "Fallback";
+          configure_single = "eDP-1";
+        }
+      ];
+    };
+    gpg-agent = {
+      enable = true;
+      enableSshSupport = true;
+      #pinentryFlavor = "tty";
+    };
+  };
+  programs = {
+    git = {
+      enable = true;
+      userName  = "Paul-Henri Froidmont";
+      userEmail = "paul-henri.froidmont@ingenico.com";
+      signing = {
+        key = "589ECB6FAA8FF1F40E579C9E1479473F99393013";
+        signByDefault = true;
+      };
+    };
+    gpg.enable = true;
+  };
+  fonts.fontconfig.enable = true;
+  home = {
+    sessionVariables = {
+      QT_XCB_GL_INTEGRATION = "none"; # Fix "Could not initialize GLX" segfault
+      LOCALE_ARCHIVE_2_11 = "$(nix-build --no-out-link \"<nixpkgs>\" -A glibcLocales)/lib/locale/locale-archive";
+      LOCALE_ARCHIVE_2_27 = "$(nix-build --no-out-link \"<nixpkgs>\" -A glibcLocales)/lib/locale/locale-archive";
+      LOCALE_ARCHIVE = "/usr/bin/locale";
+    };
+    file = {
+      ".config/fontconfig/fonts.conf" = {
+        source = ./fonts.conf;
+      };
+    };
+  };
+
+  home.stateVersion = "20.09";
+}
+

hosts/ingenico-laptop-ubuntu/fonts.conf

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+<?xml version='1.0'?>
+<!DOCTYPE fontconfig SYSTEM 'fonts.dtd'>
+<fontconfig>
+  <alias>
+    <family>monospace</family>
+    <prefer><family>MesloLGMDZ Nerd Font Mono</family></prefer>
+  </alias>
+</fontconfig>