chore(nix)_: add shell welcome note

flake.nix

@@ -1,4 +1,6 @@
 {
+  description = "Status Desktop"
+
   inputs.nixpkgs.url = "github:NixOS/nixpkgs/release-20.09";
   # for nix-shell support
   inputs.flake-compat.url = "https://flakehub.com/f/edolstra/flake-compat/1.tar.gz";
@@ -11,11 +13,12 @@
 
   outputs = { self, nixpkgs, nixgl, flake-compat }:
     let
+      flake = import "${self}/flake.nix";
       pkgs = import nixpkgs {
         system = "x86_64-linux";
         overlays = [ (import ./nix/overlay.nix) nixgl.overlay ];
       };
     in {
-      devShells.x86_64-linux.default = pkgs.callPackage ./nix/shell.nix { };
+      devShells.x86_64-linux.default = pkgs.callPackage ./nix/shell.nix { inherit flake; };
     };
 }

nix/shell.nix

@@ -1,5 +1,6 @@
 {
-  pkgs
+  pkgs,
+  flake
 }:
 
 let
@@ -36,7 +37,7 @@ in pkgs.mkShell {
     # dev machine only
     nixUnstable # for flake support TODO: remove with nixpkgs upgrade
     nixgl.auto.nixGLDefault
-    gdb
+    gdb figlet
   ] ++ (with gst_all_1; [
     gst-libav gstreamer
     gst-plugins-bad  gst-plugins-base
@@ -56,6 +57,7 @@ in pkgs.mkShell {
   shellHook = ''
     export MAKEFLAGS="-j$NIX_BUILD_CORES"
     export PATH="${pkgs.lddWrapped}/bin:$PATH"
+    figlet -t "${flake.description}"
   '';
 
   LIBKRB5_PATH = pkgs.libkrb5;