wrap fastfetch with config; run fastfetch on ssh login

hosts/modules/common/openssh.nix

@@ -5,4 +5,9 @@
     enable = true;
     settings.PermitRootLogin = "no";
   };
+  programs.fish.interactiveShellInit = ''
+    if set -q SSH_CONNECTION
+      neofetch
+    end
+  '';
 }

hosts/modules/common/programs.nix

@@ -7,6 +7,7 @@
       git
       ### System Utilities ###
       btop
+      fastfetch
       helix
       nixos-firewall-tool
       nvd
@@ -18,7 +19,6 @@
     shellAliases = {
       cat = "${lib.getExe pkgs.bat} --paging=never --style=plain";
       ls = "${lib.getExe pkgs.eza} --icons --group-directories-first";
-      neofetch = "${lib.getExe pkgs.fastfetch}";
       tree = "ls --tree";
     };
   };

hosts/modules/common/users.nix

@@ -20,10 +20,4 @@
       hashedPassword = "!";
     };
   };
-  programs.fish = {
-    enable = true;
-    interactiveShellInit = ''
-      set fish_greeting
-    '';
-  };
 }

overlays.nix

@@ -3,10 +3,11 @@
 {
   flake.overlays = {
     default = final: prev: {
-      toggleaudiosink = inputs.self.packages.${final.system}.toggleaudiosink;
+      base16-schemes = inputs.self.packages.${final.system}.base16-schemes;
+      fastfetch = inputs.self.packages.${final.system}.fastfetch;
       hm-cli = inputs.self.packages.${final.system}.hm-cli;
       kwrite = inputs.self.packages.${final.system}.kwrite;
-      base16-schemes = inputs.self.packages.${final.system}.base16-schemes;
+      toggleaudiosink = inputs.self.packages.${final.system}.toggleaudiosink;
     };
   };
 }

packages.nix

@@ -5,10 +5,11 @@
     { pkgs, system, ... }:
     {
       packages = {
-        toggleaudiosink = pkgs.callPackage ./packages/toggleaudiosink.nix { };
+        base16-schemes = pkgs.callPackage ./packages/base16-schemes.nix { };
+        fastfetch = pkgs.callPackage ./packages/fastfetch.nix { };
         hm-cli = pkgs.callPackage ./packages/hm-cli.nix { };
         kwrite = pkgs.callPackage ./packages/kwrite.nix { };
-        base16-schemes = pkgs.callPackage ./packages/base16-schemes.nix { };
+        toggleaudiosink = pkgs.callPackage ./packages/toggleaudiosink.nix { };
       };
     };
 }

packages/fastfetch.nix

@@ -0,0 +1,81 @@
+{
+  lib,
+  pkgs ? import <nixpkgs> { },
+}:
+
+let
+  fastfetch-logo = pkgs.fetchurl {
+    url = "https://discourse.nixos.org/uploads/default/original/3X/3/6/36954e6d6aa32c8b00f50ca43f142d898c1ff535.png";
+    hash = "sha256-aLHz8jSAFocrn+Pb4vRq0wtkYFJpBpZRevd+VoZC/PQ=";
+  };
+
+  fastfetch-config = pkgs.writeText "fastfetch-config.json" (
+    builtins.toJSON {
+      "$schema" = "https://github.com/fastfetch-cli/fastfetch/raw/dev/doc/json_schema.json";
+      modules = [
+        "title"
+        "separator"
+        {
+          type = "os";
+          keyWidth = 9;
+        }
+        {
+          type = "kernel";
+          keyWidth = 9;
+        }
+        {
+          type = "uptime";
+          keyWidth = 9;
+        }
+        {
+          type = "shell";
+          keyWidth = 9;
+        }
+        "break"
+        {
+          type = "cpu";
+          keyWidth = 11;
+        }
+        {
+          type = "memory";
+          keyWidth = 11;
+        }
+        {
+          type = "swap";
+          keyWidth = 11;
+        }
+        {
+          type = "disk";
+          folders = "/";
+          keyWidth = 11;
+        }
+        {
+          type = "command";
+          key = "Systemd";
+          keyWidth = 11;
+          text = "echo \"$(systemctl list-units --state=failed --no-legend | wc -l) failed units, $(systemctl list-jobs --no-legend | wc -l) queued jobs\"";
+        }
+        "break"
+        {
+          type = "command";
+          key = "Public IP";
+          keyWidth = 15;
+          text = "curl -s -4 ifconfig.me 2>/dev/null || echo 'N/A'";
+        }
+        {
+          type = "command";
+          key = "Tailscale IP";
+          keyWidth = 15;
+          text = "tailscale ip -4 2>/dev/null || echo 'N/A'";
+        }
+        {
+          type = "command";
+          key = "Local IP";
+          keyWidth = 15;
+          text = "ip -4 addr show scope global | grep inet | head -n1 | awk '{print $2}' | cut -d/ -f1";
+        }
+      ];
+    }
+  );
+in
+pkgs.writeShellScriptBin "fastfetch" ''exec ${lib.getExe pkgs.fastfetch} --config ${fastfetch-config} --logo-type kitty --logo ${fastfetch-logo} --logo-padding-right 1 --logo-width 36 "$@" ''