great refactor 2

modules/home/programs/shell/default.nix

@@ -0,0 +1,7 @@
+{ ... }:
+
+{
+  imports = [
+    ./nu.nix
+  ];
+}

modules/home/programs/shell/nu.nix

@@ -0,0 +1,69 @@
+{ ... }:
+
+{
+  programs.nushell = {
+    enable = true;
+
+    shellAliases = {
+      ls = "eza --icons --group-directories-first";
+      ll = "eza -lah --icons --group-directories-first";
+      la = "eza -a --icons --group-directories-first";
+      lt = "eza --tree --level=2 --icons";
+      cat = "bat";
+      df = "df -h";
+      du = "du -h";
+      free = "free -h";
+      rm = "trash-put";
+      sysinfo = "fastfetch";
+      monitor = "sudo btop";
+      ports = "sudo ss -tulpn";
+      myip = "curl ifconfig.me";
+      gs = "git status";
+      ga = "git add";
+      gp = "git push";
+      gl = "git log --oneline --graph --decorate";
+      ".." = "cd ..";
+      "..." = "cd ../..";
+      "...." = "cd ../../..";
+    };
+
+    environmentVariables = {
+      MESA_SHADER_CACHE_MAX_SIZE = "2G";
+      MESA_SHADER_CACHE_DIR = "/tmp/mesa_shader_cache";
+    };
+
+    extraEnv = ''
+      $env.PATH = ($env.PATH | prepend $"($env.HOME)/.local/bin")
+    '';
+
+    extraConfig = ''
+      $env.config.show_banner = false
+      def gc [msg: string] { git commit -m $msg }
+      def rebuild [] {
+          git -C ~/copland add -A
+          git -C ~/copland commit -m "update"
+          nh os switch
+      }
+
+      def rebuild-dry [] { nh os switch --dry }
+      def rebuild-cop [] {
+          nix flake update --flake ~/copland
+          git -C ~/copland add -A
+          git -C ~/copland commit -m $"flake update (date now | format date '%Y-%m-%d')"
+          nh os switch
+      }
+      def extract [file: string] {
+          let ext = ($file | path parse | get extension)
+          match $ext {
+              "gz" => { tar xzf $file },
+              "bz2" => { tar xjf $file },
+              "tar" => { tar xf $file },
+              "zip" => { unzip $file },
+              "7z" => { 7z x $file },
+              "rar" => { unrar e $file },
+              _ => { print $"'($file)' can't be extracted" }
+          }
+      }
+    '';
+  };
+}