restructure

- users/rin/default.nix -> users/rin.nix
- users/rin/home.nix +-> users/rin.nix
- users/rin/*.nix -> modules/user/*.nix
- users/rin/scripts/ -> scripts/
- hosts/winter/default.nix -> hosts/winter.nix
- hosts/winter/*.nix -> modules/system/*.nix

- modules are dynamically imported as sets for system and user

modules/user/zsh.nix

@@ -0,0 +1,155 @@
+# vim: ft=nix
+{ config, inputs, pkgs, ... }:
+let
+  lib = pkgs.lib;
+
+  pluginFromInput = name: {
+    inherit name;
+    src = inputs.${name};
+  };
+
+  abbrs = {
+    e = "$EDITOR";
+    rs = "source ~/.config/zsh/.zshrc";
+
+    ll = "ls -al";
+    q = "exit";
+
+    peach = "ssh lava@peach";
+    bunny = "ssh bunny@peach";
+
+    fa = "grep -Inr";
+    fai = "grep -Iinr";
+
+    g1 = "xgamma -gamma 1";
+    g3 = "xgamma -gamma 1.3";
+
+    bat = "echo 'battery' | doas tee /sys/class/drm/card1/device/power_dpm_state";
+    bal = "echo 'balanced' | doas tee /sys/class/drm/card1/device/power_dpm_state";
+    sclk = "doas setclock 50000 70000 800";
+
+    sysu = "doas systemctl restart";
+    sysd = "doas systemctl stop";
+    syss = "doas systemctl status";
+    usysu = "systemctl --user restart";
+    usysd = "systemctl --user stop";
+    usyss = "systemctl --user status";
+    j = "doas journalctl -b";
+    jf = "doas journalctl -f";
+
+    fl = "cd ~/Projects/flakes";
+    nr = "doas nixos-rebuild switch --flake .#winter -v";
+
+    gs = "git status";
+    ga = "git add";
+    gaa = "git add .";
+    gc = "git commit";
+    gac = "git add .; git commit";
+    gcm = "git commit -m";
+    gco = "git checkout";
+    gd = "git diff";
+    gds = "git diff --staged";
+    gf = "git commit --amend --no-edit";
+    gl = "git log";
+    gr = "git rebase -i";
+  };
+
+  genAbbrs = lib.concatStringsSep "\n" (lib.mapAttrsToList (k: v: "abbr add -S --quiet ${k}=${lib.escapeShellArg v}") abbrs);
+  cursorShape = ''
+    function zle-keymap-select {
+      if [[ $KEYMAP == vicmd ]] ||
+         [[ $1 = 'block' ]]; then
+        echo -ne '\e[1 q'
+      elif [[ $KEYMAP == main ]] ||
+           [[ $KEYMAP == viins ]] ||
+           [[ $KEYMAP = "" ]] ||
+           [[ $1 = 'beam' ]]; then
+        echo -ne '\e[5 q'
+      fi
+    }
+    zle -N zle-keymap-select
+    zle-line-init() {
+        zle -K viins
+        echo -ne "\e[5 q"
+    }
+    zle -N zle-line-init
+    echo -ne '\e[5 q'
+    preexec() { echo -ne '\e[5 q' ;}
+  '';
+  direnv = ''
+    eval "$(direnv hook zsh)"
+  '';
+  pure = ''
+    autoload -U promptinit; promptinit
+    prompt pure
+  '';
+  viExtraNav = ''
+    bindkey -M menuselect 'h' vi-backward-char
+    bindkey -M menuselect 'k' vi-up-line-or-history
+    bindkey -M menuselect 'l' vi-forward-char
+    bindkey -M menuselect 'j' vi-down-line-or-history
+
+    bindkey -v '^?' backward-delete-char
+    bindkey -v '^R' history-incremental-pattern-search-backward
+    bindkey '^[[A' history-substring-search-up
+    bindkey '^[[B' history-substring-search-down
+    bindkey -M vicmd 'k' history-substring-search-up
+    bindkey -M vicmd 'j' history-substring-search-down
+  '';
+in {
+  programs.zsh = {
+    enable = true;
+    dotDir = ".config/zsh";
+
+    enableAutosuggestions = true;
+    autocd = true;
+    defaultKeymap = "viins";
+
+    history = {
+      extended = true;
+      path = "${config.xdg.dataHome}/zsh/history";
+      save = 10000000;
+      size = 10000000;
+    };
+
+    enableCompletion = true;
+    initExtraBeforeCompInit = ''
+      fpath+=(/run/current-system/sw/share/zsh/site-functions)
+      zstyle ':completion:*' completer _complete
+      zstyle ':completion:*' matcher-list "" 'm:{[:lower:][:upper:]-_}={[:upper:][:lower:]_-}' '+l:|=* r:|=*'
+      zstyle ':completion:*' menu select
+      _comp_options+=(globdots)
+      zmodload zsh/complist
+    '';
+
+    localVariables = {
+      KEYTIMEOUT = "1";
+      #PS1 = "%B%{$fg[red]%}[%{$fg[yellow]%}%n%{$fg[green]%}@%{$fg[blue]%}%M %{$fg[magenta]%}%~%{$fg[red]%}]%{$reset_color%}$%b ";
+      ZSH_AUTOSUGGEST_STRATEGY = ["completion"];
+      ZSH_AUTOSUGGEST_USE_ASYNC = true;
+      ZSH_AUTOSUGGEST_BUFFER_MAX_SIZE = 40;
+    };
+
+    shellAliases = {
+      ls = "ls --color=auto --group-directories-first -v";
+      diff = "diff -Naur --color=auto";
+    };
+    initExtraFirst = ''
+      autoload -U colors && colors
+    '';
+    initExtra = lib.concatStringsSep "\n" [
+      pure
+      cursorShape
+      direnv
+      genAbbrs
+      viExtraNav
+    ];
+
+    plugins = builtins.map (e: pluginFromInput e) [
+      "zsh-abbr"
+      "zsh-history-substring-search"
+      "fast-syntax-highlighting"
+      "pure"
+    ];
+  };
+}