feat: change desktop's default shell to nushell

home/common/bash.nix

@@ -0,0 +1,18 @@
+{...}: {
+  programs.bash = {
+    enable = true;
+    enableCompletion = true;
+    bashrcExtra = ''
+      export PATH="$PATH:$HOME/bin:$HOME/.local/bin:$HOME/go/bin"
+    '';
+
+    shellAliases = {
+      k = "kubectl";
+      vim = "nvim";
+
+      urldecode = "python3 -c 'import sys, urllib.parse as ul; print(ul.unquote_plus(sys.stdin.read()))'";
+      urlencode = "python3 -c 'import sys, urllib.parse as ul; print(ul.quote_plus(sys.stdin.read()))'";
+      httpproxy = "export https_proxy=http://127.0.0.1:7890; export http_proxy=http://127.0.0.1:7890;";
+    };
+  };
+}

home/common/core.nix

@@ -77,22 +77,4 @@
       enableBashIntegration = true;
     };
   };
-
-  programs.bash = {
-    enable = true;
-    enableCompletion = true;
-    bashrcExtra = ''
-      export PATH="$PATH:$HOME/bin:$HOME/.local/bin:$HOME/go/bin"
-    '';
-  };
-
-
-  home.shellAliases = {
-    k = "kubectl";
-    vim = "nvim";
-
-    urldecode = "python3 -c 'import sys, urllib.parse as ul; print(ul.unquote_plus(sys.stdin.read()))'";
-    urlencode = "python3 -c 'import sys, urllib.parse as ul; print(ul.quote_plus(sys.stdin.read()))'";
-    httpproxy = "export https_proxy=http://127.0.0.1:7890; export http_proxy=http://127.0.0.1:7890;";
-  };
 }

home/common/default.nix

@@ -2,6 +2,7 @@
 {
   imports = [
     ./nushell
+    ./bash.nix
 
     ./core.nix
     ./development.nix

home/common/nushell/config.nu

@@ -0,0 +1,50 @@
+# Nushell Config File
+#
+# version = 0.81.1
+
+# The default config record. This is where much of your global configuration is setup.
+let-env config = {
+  # true or false to enable or disable the welcome banner at startup
+  show_banner: false
+  
+  table: {
+    mode: rounded # basic, compact, compact_double, light, thin, with_love, rounded, reinforced, heavy, none, other
+    index_mode: always # "always" show indexes, "never" show indexes, "auto" = show indexes when a table has "index" column
+    show_empty: true # show 'empty list' and 'empty record' placeholders for command output
+    trim: {
+      methodology: wrapping # wrapping or truncating
+      wrapping_try_keep_words: true # A strategy used by the 'wrapping' methodology
+      truncating_suffix: "..." # A suffix used by the 'truncating' methodology
+    }
+  }
+
+  completions: {
+    case_sensitive: false # set to true to enable case-sensitive completions
+    quick: true  # set this to false to prevent auto-selecting completions when only one remains
+    partial: true  # set this to false to prevent partial filling of the prompt
+    algorithm: "prefix"  # prefix or fuzzy
+    external: {
+      enable: true # set to false to prevent nushell looking into $env.PATH to find more suggestions, `false` recommended for WSL users as this look up may be very slow
+      max_results: 100 # setting it lower can improve completion performance at the cost of omitting some options
+      completer: null # check 'carapace_completer' above as an example
+    }
+  }
+  filesize: {
+    metric: true # true => KB, MB, GB (ISO standard), false => KiB, MiB, GiB (Windows standard)
+    format: "auto" # b, kb, kib, mb, mib, gb, gib, tb, tib, pb, pib, eb, eib, zb, zib, auto
+  }
+  cursor_shape: {
+    emacs: line # block, underscore, line, blink_block, blink_underscore, blink_line (line is the default)
+    vi_insert: block # block, underscore, line , blink_block, blink_underscore, blink_line (block is the default)
+    vi_normal: underscore # block, underscore, line, blink_block, blink_underscore, blink_line (underscore is the default)
+  }
+  use_grid_icons: true
+  footer_mode: "25" # always, never, number_of_rows, auto
+  float_precision: 2 # the precision for displaying floats in tables
+  # buffer_editor: "emacs" # command that will be used to edit the current line buffer with ctrl+o, if unset fallback to $env.EDITOR and $env.VISUAL
+  use_ansi_coloring: true
+  bracketed_paste: true # enable bracketed paste, currently useless on windows
+  edit_mode: emacs # emacs, vi
+  shell_integration: true # enables terminal markers and a workaround to arrow keys stop working issue
+  render_right_prompt_on_last_line: false # true or false to enable or disable right prompt to be rendered on last line of the prompt.
+}

home/common/nushell/default.nix

@@ -1,7 +1,21 @@
-{
+{...}: {
   programs.nushell = {
     enable = true;
-    # configFile.source = ./config.nu;
+    configFile.source = ./config.nu;
+
+    # home-manager will merge the cotent in `environmentVariables` with the `envFile.source`
+    # but basically, I set all environment variables via the shell-independent way, so I don't need to use those two options
+    # 
     # envFile.source = ./env.nu;
+    # environmentVariables = { FOO="bar"; };
+
+    shellAliases = {
+      k = "kubectl";
+      vim = "nvim";
+
+      urldecode = "python3 -c 'import sys, urllib.parse as ul; print(ul.unquote_plus(sys.stdin.read()))'";
+      urlencode = "python3 -c 'import sys, urllib.parse as ul; print(ul.quote_plus(sys.stdin.read()))'";
+      httpproxy = "let-env https_proxy = http://127.0.0.1:7890; let-env http_proxy = http://127.0.0.1:7890;";
+    };
   };
 }

modules/nixos/core-desktop.nix

@@ -241,6 +241,14 @@
     ];
   };
 
+  # add user's shell into /etc/shells
+  environment.shells = with pkgs; [
+    bash
+    nushell
+  ];
+  # set user's default shell system-wide
+  users.defaultUserShell = pkgs.nushell;
+
   # for power management
   services.upower.enable = true;
 }