brew update fails · Issue #5128 · Homebrew/legacy-homebrew

Attempted to install Homebrew on a new machine today. brew update failed. [lgw4@mike:~]$ ruby -e "$(curl -fsSLk https://gist.github.com/raw/323731/install_homebrew.rb)" ==> This script will install: /usr/local/bin/brew /usr/local/Library/Formula/... /usr/local/Library/Homebrew/... Press enter to continue ==> /usr/bin/sudo /bin/mkdir /usr/local ==> /usr/bin/sudo /bin/chmod g+w /usr/local ==> /usr/b

[susanne]

“cd /usr/local git reset head --hard git clean -f brew update”

[pho]

brew updateがうまくいかないとき、brew doctorで原因がわかるかも。

[willnet]

brew updateが失敗したときの対策