Offer to run brew upgrade instead of only scolding me.
brew update [package]Example:
$ brew update dos2unix
Error: This command updates brew itself, and does not take formula names.
run 'brew upgrade dos2unix' instead? (Y/n) y
==> Upgrading 1 outdated package, with result:
dos2unix 7.3.4 -> 7.4.0
==> Upgrading dos2unix
==> Downloading https://homebrew.bintray.com/bottles/dos2unix-7.4.0.sierra.bottle.tar.gz
######################################################################## 100.0%
==> Pouring dos2unix-7.4.0.sierra.bottle.tar.gz
🍺 /usr/local/Cellar/dos2unix/7.4.0: 24 files, 360.5KB
Add the following line to ~/.bash_profile:
source /path/to/fubrew/fubrew.sh