update fish

home/terminal/fish/default.nix

@@ -0,0 +1,40 @@
+{ config, pkgs, ... }:
+
+{
+  programs.fish = {
+    enable = true;
+
+    functions = {
+      fish_prompt = {
+        description = "Write out the prompt";
+        body = ''
+          set -l last_status $status
+
+          set -l nix_shell_info (
+            if test -n "$IN_NIX_SHELL"
+              echo -n "<nix-shell> "
+            end
+          )
+
+          set -l user_host (set_color $fish_color_user)"$USER"(set_color normal)"@"(set_color $fish_color_host)(prompt_hostname)(set_color normal)
+
+          set -l cwd (set_color $fish_color_cwd)(prompt_pwd)(set_color normal)
+
+          set -l git_info (fish_git_prompt)
+
+          echo -n -s "$user_host" " " "$nix_shell_info" "$cwd" "$git_info" "> "
+        '';
+      };
+      nix-shell = {
+        description = "Wrapper for nix-shell that runs fish by default";
+        body = ''
+          if test (count $argv) -eq 0
+            command nix-shell --run fish
+          else
+            command nix-shell --run fish $argv
+          end
+        '';
+      };
+    };
+  };
+}

system/all.nix

@@ -29,8 +29,9 @@
       ../home/browsers/firefox/default.nix
       ../home/systemd/default.nix
       ../home/terminal/btop/default.nix
-      ../home/terminal/nvim/default.nix
+      ../home/terminal/fish/default.nix
       ../home/terminal/kitty/default.nix
+      ../home/terminal/nvim/default.nix
       ../home/kde/plasma.nix
       ../home/kde/other.nix
       ../home/vscode/default.nix