后来参考:
lion – Homebrew permissions & multiple users needing to brew update – Ask Different
去执行:
[总结]
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2
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sudo chgrp -R admin /usr/local
sudo chmod -R g+w /usr/local
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(不用去管/Library/Caches/Homebrew,因为找不到对应路径)
然后就可以继续正常的:
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brew update
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了。