add profile-image

assets/img/profile-image/LICENSE.md

@@ -0,0 +1,9 @@
+Pixabay License: https://pixabay.com/service/license/
+
+Credits:
+* https://pixabay.com/users/ribastank-805206/
+
+Source:
+* https://pixabay.com/photos/yoda-starwars-actionfigure-667955/
+* https://free-images.com/display/yoda_starwars_actionfigure_667955.html
+

hosts/yodaGaming/configuration.nix

@@ -26,10 +26,7 @@
       #../../modules/programs-kde.nix
       #
       ../../modules/gnome-base.nix
-      ../../modules/gnome-config.nix
-      ../../modules/gnome-extensions.nix
       ../../modules/fwupd-gnome.nix
-      ../../modules/gnome-wallpaper.nix
       ../../modules/programs-gnome.nix
 
       ../../modules/programs-base.nix

hosts/yodaTab/configuration.nix

@@ -28,12 +28,9 @@
       #../../modules/programs-kde.nix
       #
       ../../modules/gnome-base.nix
-      ../../modules/gnome-config.nix
-      ../../modules/gnome-extensions.nix
       # Not required as display scale is set 2.0 (multiple of 1).
       #../../modules/gnome-fractional-scaling.nix
       ../../modules/fwupd-gnome.nix
-      ../../modules/gnome-wallpaper.nix
       ../../modules/programs-gnome.nix
 
       ../../modules/programs-base.nix

hosts/yodaTux/configuration.nix

@@ -34,11 +34,8 @@
       #../../modules/programs-kde.nix
       #
       ../../modules/gnome-base.nix
-      ../../modules/gnome-config.nix
-      ../../modules/gnome-extensions.nix
       ../../modules/gnome-fractional-scaling.nix
       #../../modules/fwupd-gnome.nix # TODO: Constantly keeps installing the same fw update again
-      ../../modules/gnome-wallpaper.nix
       ../../modules/programs-gnome.nix
 
       ../../modules/programs-base.nix

modules/gnome-base.nix

@@ -7,6 +7,10 @@
 
   imports = [
     ./audio.nix
+    ./gnome-config.nix
+    ./gnome-extensions.nix
+    ./gnome-wallpaper.nix
+    ./gnome-profile-image.nix
   ];
 
   # Enable the X11 windowing system.

modules/gnome-profile-image.nix

@@ -0,0 +1,29 @@
+{ config, pkgs, ... }:
+let
+  dir = "/var/lib/AccountsService/icons";
+  user = "yoda";
+in
+{
+  # https://discourse.nixos.org/t/setting-the-user-profile-image-under-gnome/36233/4
+
+  # Important: File permissions and file format
+  # https://discourse.nixos.org/t/setting-the-user-profile-image-under-gnome/36233/7
+
+  # https://github.com/tolgaerok/nixos-kde/blob/3c4b55f2b0345facc5bc5157750dfaecef9d4d6c/machines/LAPTOPS/HP-i5-ProBook-6460b/user/user-profile-pic/default.nix
+  # https://github.com/tolgaerok/nixos-kde/blob/3c4b55f2b0345facc5bc5157750dfaecef9d4d6c/user/user-home-settings/create-user-profile-pics.nix
+
+  # After changing my profile image in KDE Plasma 6, this file was created:
+  #   /var/lib/AccountsService/users
+  # With content:
+  #   [User]
+  #   Icon=/var/lib/AccountsService/icons/yoda
+  #   SystemAccount=false
+  # Permissions: root:root 0600
+
+  # `system.activationScripts`:
+  # - Since these are executed every time you boot the system or run `nixos-rebuild`, it’s important that they are idempotent and fast.
+  system.activationScripts.setGnomeProfilePicture = ''
+    mkdir -p ${dir}
+    cp ${(pkgs.callPackage ./profile-image.nix { })}/img.png ${dir}/${user}
+  '';
+}

modules/profile-image.nix

@@ -0,0 +1,18 @@
+{ pkgs, lib }:
+let
+  max-width = "256";
+in
+  pkgs.stdenv.mkDerivation rec{
+    name = "yoda-profile-image";
+    src = "${../assets/img/profile-image/face.jpg}";
+    nativeBuildInputs = with pkgs; [ imagemagick ];
+    phases = "installPhase";
+    # magick limit width: https://stackoverflow.com/a/38415211/6334421
+    # magick jpg options: quality, progressive, strip metadata. https://stackoverflow.com/a/7262050/6334421
+    installPhase = ''
+      set -eu -o pipefail
+      mkdir -p $out
+      ${pkgs.imagemagick}/bin/magick $src -resize '${max-width}>' -quality 90% -interlace Plane -strip      $out/img.jpg
+      ${pkgs.imagemagick}/bin/magick $src -resize '${max-width}>'                                           $out/img.png
+    '';
+  }