prepare zshrc, makes ~/.zshrc obsolete

makefu/2configs/zsh-user.nix

@@ -5,6 +5,36 @@ let
   mainUser = config.krebs.build.user.name;
 in
 {
-  programs.zsh.enable = true;
   users.extraUsers.${mainUser}.shell = "/run/current-system/sw/bin/zsh";
+  programs.zsh= {
+    enable = true;
+    interactiveShellInit = ''
+      HISTSIZE=900001
+      HISTFILESIZE=$HISTSIZE
+      SAVEHIST=$HISTSIZE
+
+      setopt HIST_IGNORE_ALL_DUPS
+      setopt HIST_IGNORE_SPACE
+      setopt HIST_FIND_NO_DUPS
+      bindkey -e
+      # shift-tab
+      bindkey '^[[Z' reverse-menu-complete
+
+      autoload -U compinit && compinit
+      zstyle ':completion:*' menu select
+      '';
+
+    promptInit = ''
+      RPROMPT=""
+      autoload colors && colors
+      case $UID in
+         0) PROMPT="%{$fg[red]%}%~%{$reset_color%} " ;;
+      9001) PROMPT="%{$fg[green]%}%~%{$reset_color%} " ;;
+         *) PROMPT="%{$fg[yellow]%}%n %{$fg[green]%}%~%{$reset_color%} " ;;
+      esac
+      if test -n "$SSH_CLIENT"; then
+        PROMPT="%{$fg[magenta]%}%m $PROMPT"
+      fi
+      '';
+  };
 }