Added: Fish config

home/shell/fish/default.nix

@@ -0,0 +1,31 @@
+{ pkgs, ...}:
+
+{
+    # Fix underlying System POSIX bugs
+    programs.bash = {
+    interactiveShellInit = ''
+      if [[ $(${pkgs.procps}/bin/ps --no-header --pid=$PPID --format=comm) != "fish" && -z ''${BASH_EXECUTION_STRING} ]]
+      then
+        shopt -q login_shell && LOGIN_OPTION='--login' || LOGIN_OPTION=""
+        exec ${pkgs.fish}/bin/fish $LOGIN_OPTION
+      fi
+    '';
+    };
+
+    programs.fish = {
+      enable = true;
+      shellAbbrs = {
+        ls = "eza";
+        la = "eza -la";
+      };
+      interactiveShellInit = ''
+        fish_config prompt choose disco
+        function fish_greeting
+            fastfetch
+            echo (set_color yellow)(date +%T)(set_color normal) on $hostname
+        end
+      '';
+    };
+
+
+}