Add a couple of small utilities and wire them up.

config/etc.nix

@@ -12,9 +12,10 @@ with lib;
   };
 
   environment.variables = mkIf (elem "etcvars" config.machine.conffiles) {
+    LC_CTYPE = "zh_CN.UTF-8";
+    MANPAGER = "sh -c 'col -bx | bat -l man -p'";
     NIXPKGS_ALLOW_UNFREE = "1";
     WINEDLLOVERRIDES = "winemenubuilder.exe=d";
-    LC_CTYPE="zh_CN.UTF-8";
     # This breaks a lot of applications
     # QT_SCALE_FACTOR="0.7";
   };

config/zsh.nix

@@ -7,6 +7,17 @@ mkIf (elem "zsh" config.machine.conffiles) {
     enable = true;
     autosuggestions.enable = true;
     syntaxHighlighting.enable = true;
+    shellAliases = {
+      cat = ''bat --paging=never --theme="Solarized (dark)"'';
+      less = ''bat --paging=always --style=changes --color=always --theme="Solarized (dark)"'';
+      ls = "exa";
+      l = "exa -abgHhl@ --git --color=always --group-directories-first";
+      tree = "exa --tree --color=always";
+    };
+    shellInit = ''
+      function ll()  { exa -abgHhl@ --git --color=always --group-directories-first $@ | bat --paging=always --style=changes --color=always --theme="Solarized (dark)" }
+      function lln() { exa -abgHhl@ --git --color=always --group-directories-first $@ | bat --paging=always --style=changes --color=always --theme="Solarized (dark)" -n}
+    '';
     ohMyZsh = {
       enable = true;
       plugins = [ "cabal" "docker" "gitfast" "python" "pip" "sudo" "systemd" "man" ];
@@ -14,4 +25,3 @@ mkIf (elem "zsh" config.machine.conffiles) {
     };
   };
 }
-

pkgsets/base.nix

@@ -8,6 +8,7 @@
     cryptsetup
     dhcpcd
     dnsutils
+    exa
     finger_bsd
     gitFull
     gnupg
@@ -44,6 +45,7 @@
     ripgrep
     rsync
     sysvtools
+    tealdeer
     telnet
     traceroute
     tree