MacOS : Homebrew

Issue:

/usr/local/Library/Homebrew/cmd/update.sh: line 13: /usr/local/Library/ENV/scm/git: No such file or directory

Error: update-report should not be called directly!

Solution:

$ cd "$(brew --repository)" && git fetch && git reset --hard origin/master

HEAD is now at 4284b82 Merge pull request #1380 from woodruffw/silence-git