blog » Mac/iPhone/iPad » homebrew的update和upgrade的区别
update [–merge] [–force]:
Fetch the newest version of Homebrew and all formulae from GitHub using git(1) and perform any necessary migrations.
upgrade [install-options] [–cleanup] [–fetch-HEAD] [–ignore-pinned] [formulae]:
Upgrade outdated, unpinned brews (with existing install options).
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