refactor todo

TODO.md

@@ -2,6 +2,9 @@
 
 This document contains ideas about possible extensions or improvements of my NixOS configuration. Many more TODOs can be found as comments inside other files of this repository.
 
+- Motivation behind bare bones systemd-based initrd: https://github.com/NixOS/nixpkgs/pull/164943
+  - `boot.initrd.systemd.enable = true;`
+
 * Monthly BTRFS scrub
   * Drives @yodaNas, @yodaHedgehog reach about 45°C
   * Control case fan speed by drive temp

hosts/yodaTab/configuration.nix

@@ -59,15 +59,6 @@
   #yoda.btrfsMounts = yoda.btrfsFileSystems;
   fileSystems."/mnt/512gb".options = [ "noatime" "commit=60" ]; # Ext4
 
-  # Fix touchpad/keyboard issue during boot.
-  # TODO neither touch nor keyboard work
-  # TODO try again with initrd.systemd.enable, see below. but disable Plymouth in that case
-  #boot.initrd.unl0kr.enable = true;
-
-  # TODO
-  # Motivation behind bare bones systemd-based initrd: https://github.com/NixOS/nixpkgs/pull/164943
-  #boot.initrd.systemd.enable = true;
-
   boot.kernelParams = [
     # If the CPU is vulnerable, enable all available mitigations
     # except `nosmt` as we don't run any VMs on this machine.

modules/initrd-contact-info.nix

@@ -77,17 +77,16 @@ in
   # We found no non-graphical solution to print the contact info with systemd initrd.
   # Workaround: Run a dummy service that has the contact info as service name ...
   #
-  # Alternative: Use Plymouth for a graphical boot splash screen.
-  # TODO: Only on graphical installations!
+  # Alternative for non-headless devices: Use Plymouth for a graphical boot splash screen.
   #
   # To see the splash screen. https://wiki.archlinux.org/title/Plymouth#Installation
   #boot.kernelParams = [ "splash" ];
   #
-  boot.plymouth = lib.mkIf (config.boot.initrd.systemd.enable) {
-    enable = true;
-    #theme = "breeze";
-    logo = "${contact-info-img}/img.png";
-  };
+#  boot.plymouth = lib.mkIf (config.boot.initrd.systemd.enable) {
+#    enable = true;
+#    #theme = "breeze";
+#    logo = "${contact-info-img}/img.png";
+#  };
 
   # Print contact info as text during boot.
   boot.initrd.preDeviceCommands = lib.mkIf (! config.boot.initrd.systemd.enable) ''
@@ -99,7 +98,7 @@ in
 # TODO: cleanup
 
 #
-# TODO: systemd service output is not displayed during boot. onyl [info] service xxx started
+# TODO: systemd service output is not displayed during boot. only [info] service xxx started
 #
 
 #  # https://github.com/oxalica/nixpkgs/blob/3562c1d5c6ff868924fe95ba7b51344f3c141311/nixos/modules/config/console.nix#L158