finalize rebuild script with log file

.gitignore

@@ -1,5 +1,6 @@
 .keyring
 .keyring/
+.nixos-switch-log
 users/blake/dotfiles/zsh/zplug
 users/blake/dotfiles/zsh/.zsh_history
 users/blake/dotfiles/zsh/.zcompdump

rebuild.sh

@@ -5,7 +5,7 @@ pushd ~/.nix
 # alejandra . &>/dev/null
 git diff -U0 *.nix
 echo "nixos rebuilding..."
-sudo nixos-rebuild switch --flake ~/.nix#snowbelle &>nixos-switch.log || (
+sudo nixos-rebuild switch --flake ~/.nix#snowbelle &>.nixos-switch-log || (
  cat nixos-switch.log | grep --color error && false)
 gen=$(nixos-rebuild list-generations | grep current)
 git commit -am "$gen"