Merge d8fbc75bab into b97926675a

Specify the version of NixOS, and add the update of `initExtra` in 25.05v of NixOS.

README.md

@@ -431,6 +431,7 @@ Powerlevel10k.
 - [Arch Linux](#arch-linux)
 - [Alpine Linux](#alpine-linux)
 - [Fig](#fig)
+- [NixOS](#nixos)
 
 ### Manual
 
@@ -549,6 +550,42 @@ ln -s /usr/share/zsh/plugins/powerlevel10k ~/.local/share/zsh/plugins/
 Follow the instructions on
 [this page](https://fig.io/plugins/other/powerlevel10k).
 
+### NixOS
+
+**Home Manager**
+
+```nix
+programs.zsh = {
+  ...
+  plugins = [
+      {
+        name = "zsh-powerlevel10k";
+        src = "${pkgs.zsh-powerlevel10k}/share/zsh-powerlevel10k/";
+        file = "powerlevel10k.zsh-theme";
+      }
+    ];
+
+    # NixOS 24.11 or earlier:
+    initExtra = ''
+      source ~/.p10k.zsh
+    '';
+
+    # NixOS 25.05 or later:
+    # initContent = let initExtra = lib.mkOrder 1000 '' [[ ! -f ~/.p10k.zsh ]] || source ~/.p10k.zsh ''; in lib.mkMerge [initExtra];
+};
+```
+
+**System wide**
+```nix
+programs.zsh = {
+  ...
+  promptInit = ''
+    source ${pkgs.zsh-powerlevel10k}/share/zsh-powerlevel10k/powerlevel10k.zsh-theme
+    source ~/.p10k.zsh
+  '';
+};
+```
+
 ## Configuration
 
 - [For new users](#for-new-users)

internal/p10k.zsh

@@ -3527,7 +3527,9 @@ _p9k_prompt_time_compute() {
 }
 
 _p9k_prompt_time_async() {
-  sleep 1 || true
+  zmodload zsh/mathfunc zsh/zselect || return
+  local -F t=_POWERLEVEL9K_EXPERIMENTAL_TIME_REALTIME_INTERVAL_SEC
+  zselect -t $((int(ceil(100 * (t - EPOCHREALTIME % t))))) || true
 }
 
 _p9k_prompt_time_sync() {
@@ -7809,8 +7811,13 @@ _p9k_init_params() {
   # commands will contain the start times of their commands as opposed to the default
   # behavior where they contain the end times of their preceding commands.
   _p9k_declare -b POWERLEVEL9K_TIME_UPDATE_ON_COMMAND 0
-  # If set to true, time will update every second.
+  # If set to true, time will update every
+  # POWERLEVEL9K_EXPERIMENTAL_TIME_REALTIME_INTERVAL_SEC seconds.
   _p9k_declare -b POWERLEVEL9K_EXPERIMENTAL_TIME_REALTIME 0
+  _p9k_declare -F POWERLEVEL9K_EXPERIMENTAL_TIME_REALTIME_INTERVAL_SEC 1
+  if (( _POWERLEVEL9K_EXPERIMENTAL_TIME_REALTIME_INTERVAL_SEC <= 0 )); then
+    _POWERLEVEL9K_EXPERIMENTAL_TIME_REALTIME_INTERVAL_SEC=1
+  fi
 
   _p9k_declare -b POWERLEVEL9K_NIX_SHELL_INFER_FROM_PATH 0
   typeset -g _p9k_nix_shell_cond='${IN_NIX_SHELL:#0}'