packages.nushell: init

lib.nix

@@ -54,4 +54,36 @@ lib: rec
             else null
           else null)
       (attrsToList (builtins.readDir path))));
+
+  # replace the value in a nested attrset. example:
+  # deepReplace
+  #   [ { path = [ "a" "b" 1 ]; value = "new value"; } ]
+  #   { a = { b = [ "old value" "old value" ]; }; }
+  # => { a = { b = [ "old value" "new value" ]; }; }
+  deepReplace = pattern: origin:
+    let replace = { path, value, content }:
+      if path == [] then
+        if (builtins.typeOf value) == "lambda" then value content
+        else value
+      else let currentPath = builtins.head path; nextPath = builtins.tail path; in
+        if (builtins.typeOf currentPath) == "string" then
+          if (builtins.typeOf content) != "set" then builtins.throw "content should be a set"
+          else builtins.mapAttrs
+            (n: v: if n == currentPath then replace { path = nextPath; inherit value; content = v; } else v) content
+        else if (builtins.typeOf currentPath) == "int" then
+          if (builtins.typeOf content) != "list" then builtins.throw "content should be a list"
+          else lib.imap0
+            (i: v: if i == currentPath then replace { path = nextPath; inherit value; content = v; } else v) content
+        else if (builtins.typeOf currentPath) != "lambda" then throw "path should be a lambda"
+        else
+          if (builtins.typeOf content) == "list" then builtins.map
+            (v: if currentPath v then replace { path = nextPath; inherit value; content = v; } else v) content
+          else if (builtins.typeOf content) == "set" then builtins.listToAttrs (builtins.map
+            (v: if currentPath v then replace { path = nextPath; inherit value; content = v; } else v)
+            (attrsToList content))
+          else throw "content should be a list or a set.";
+    in
+      if (builtins.typeOf pattern) != "list" then throw "pattern should be a list"
+      else if pattern == [] then origin
+      else deepReplace (builtins.tail pattern) (replace ((builtins.head pattern) // { content = origin; }));
 }

modules/packages/nushell.nix

@@ -0,0 +1,48 @@
+inputs:
+{
+  options.nixos.packages.nushell = let inherit (inputs.lib) mkOption types; in mkOption
+  {
+    type = types.nullOr (types.submodule {});
+    default = {};
+  };
+  config = let inherit (inputs.config.nixos.packages) nushell; in inputs.lib.mkIf (nushell != null)
+  {
+    nixos =
+    {
+      packages.packages._packages = [ inputs.pkgs.nushell ];
+      user.sharedModules =
+      [{
+        config.programs =
+        {
+          nushell =
+          {
+            enable = true;
+            # configFile.source = ./.../config.nu;
+            # extraConfig = "";
+            # shellAliases.vi = "hx";
+          };  
+          carapace.enable = true;
+          oh-my-posh =
+          {
+            enable = true;
+            enableZshIntegration = false;
+            settings = inputs.localLib.deepReplace
+              [
+                {
+                  path = [ "blocks" 0 "segments" (v: v.type or "" == "path") "properties" "style" ];
+                  value = "powerlevel";
+                }
+                {
+                  path = [ "blocks" 0 "segments" (v: v.type or "" == "executiontime") "template" ];
+                  value = v: builtins.replaceStrings [ "\u2800" ] [ "\u0020" ] v;
+                }
+              ]
+              (builtins.fromJSON (builtins.readFile
+                "${inputs.pkgs.oh-my-posh}/share/oh-my-posh/themes/atomic.omp.json"));
+          };
+          direnv.enable = true;
+        };
+      }];
+    };
+  };
+}

modules/packages/server.nix

@@ -10,7 +10,7 @@ inputs:
       [
         # basic tools
         beep dos2unix gnugrep pv tmux screen parallel tldr cowsay jq zellij ipfetch localPackages.pslist
-        fastfetch reptyr nushell duc ncdu progress libva-utils ksh neofetch
+        fastfetch reptyr duc ncdu progress libva-utils ksh neofetch
         # lsxx
         pciutils usbutils lshw util-linux lsof dmidecode lm_sensors
         # top

modules/user/chn/default.nix

@@ -10,6 +10,7 @@ inputs:
         (builtins.attrNames inputs.config.users.groups);
       autoSubUidGidRange = true;
       hashedPassword = "$y$j9T$xJwVBoGENJEDSesJ0LfkU1$VEExaw7UZtFyB4VY1yirJvl7qS7oiF49KbEBrV0.hhC";
+      shell = inputs.lib.mkForce inputs.pkgs.nushell;
     };
     home-manager.users.chn =
     {