More nushell aliases

Propagate the environment variables out of the functions when
appropriate
Add rebuild command
Add deploy function

home/baseline/nushell.nix

@@ -38,15 +38,43 @@ in
         path add /run/current-system/sw/bin
         path add ${config.home.homeDirectory}/.nix-profile/bin
 
-        def vpn [] {
+        def --env unlock [] {
           if "BW_SESSION" not-in $env {
             $env.BW_SESSION = ^bw unlock --raw
           }
+        }
+
+        def --env vpn [] {
+          unlock
           let username = ^bw get username f7351f9c-b25b-4317-8352-affc00da4644
           let password = ^bw get password f7351f9c-b25b-4317-8352-affc00da4644
           let otp = ^bw get totp 10371487-7f40-4b08-9a45-b33e00de318b
           osascript ${vpn} $username $"($password)($otp)"
         }
+
+        def rebuild [] {
+          if (uname | get operating-system) == "Darwin" {
+            sudo darwin-rebuild switch
+          } else {
+            let hostname = uname | get nodename
+            let build = ^nom build $"/etc/nixos#nixosConfigurations.($hostname).config.system.build.toplevel" | complete
+            if build.exit_code == 0 {
+              nvd diff /run/current-system result
+              sudo nixos-rebuild switch
+            }
+          }
+        }
+
+        def deploy [ $host: string, $build: string = "" ] {
+          mut buildhost = $build
+          if $build == "" {
+            $buildhost = $host
+          }
+          if $buildhost == "linode" {
+            $buildhost = "isaiah"
+          }
+          nixos-rebuild switch --use-remote-sudo --use-substitutes --target-host $host --build-host $buildhost
+        }
       '';
       settings = {
         buffer_editor = lib.getExe config.programs.nixvim.package;