FETCH_HEAD noise

[ilovezfs]

find: /usr/local/Library/Taps/homebrew/homebrew-bundle/.git/FETCH_HEAD: No such file or directory

It looks like this is a regression from 2b8ea079.

Josephs-MacBook-Pro:~ joe$ brew update --preinstall && sleep 1 && brew update && sleep 1 && brew update && sleep 1 && brew update --preinstall && sleep 1 && brew livecheck
Checking for Homebrew updates...
Auto-merging Formula/minimal-racket.rb
==> Auto-updated Homebrew!
Updated 7 taps (caskroom/cask, homebrew/core, homebrew/dupes, homebrew/emacs, homebrew/php, homebrew/science, homebrew/versions).
==> Updated Formulae
afl-fuzz                                 homebrew/php/phpunit                   
ansible-cmdb                             homebrew/php/wp-cli                    
aws-sdk-cpp                              homebrew/science/shark                 
bitrise                                  homebrew/versions/mysql56              
chromedriver                             nsd                                    
flvmeta                                  owfs                                   
git-annex                                sqlite ✔                               
gnatsd                                   sqlite-analyzer                        
homebrew/dupes/diffutils                 sshguard                               
homebrew/emacs/editorconfig-emacs        vmtouch                                
==> Renamed Formulae
racket -> minimal-racket
Updated Homebrew from cc752e9 to 2b8ea07.
No changes to formulae.
Already up-to-date.
Checking for Homebrew updates...
find: /usr/local/Library/Taps/homebrew/homebrew-bundle/.git/FETCH_HEAD: No such file or directory
find: /usr/local/Library/Taps/homebrew/homebrew-dev-tools/.git/FETCH_HEAD: No such file or directory

[MikeMcQuaid]

Cheers @UniqMartin.