flake.nix: update

Author: ghostiam

flake.lock

@@ -32,7 +32,7 @@
  defaultShellHook = ''
  export SHELL="${pkgs.bashInteractive}/bin/bash"
 
- export FLAKE_ROOT=$(nix flake metadata | grep 'Resolved URL' | awk '{print $3}' | awk -F'://' '{print $2}')
+ export FLAKE_ROOT="$(nix flake metadata | grep 'Resolved URL' | awk '{print $3}' | sed 's/^path://' | sed 's/^git+file:\/\///')"
  export HISTFILE="$FLAKE_ROOT/.nix_bash_history"
 
  export GOROOT="${pkgs.go}/share/go"