brew update
Fetch the newest version of Homebrew and all formulae
Options
| Name | Description |
|---|---|
-f, --force | Always do a slower, full update check |
-v, --verbose | Print the directories checked and git operations performed |
-d, --debug | Display a trace of all shell commands as they are executed |
-h, --help | Show help message |
--merge | Use git merge to apply updates (rather than git rebase) |
--preinstall | Run on auto-updates (e.g. before brew install). Skips some slower steps |