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I don't understand if there are implications to upgrading to homebrew 3.0 for me a lowly user. Will things break? Will I lose access to formulae that haven't ye

I don't understand if there are implications to upgrading to homebrew 3.0 for me a lowly user. Will things break? Will I lose access to formulae that haven't yet been upgraded to work with brew 3.0? Should I upgrade right away or hold off for a while? Which is least likely to interupt my workflow in which I count on brew just working?

sudhirj 6y ago
Homebrew generally doesn't do breaking changes. I haven't experienced any disruption... this version seems to be a headliner for full Apple Silicon support. Even if there are any changes, `brew doctor` usually handles things for you.
- jrochkind1 6y ago
  Thanks! I know homebrew doesn't generally do breaking changes, but they also don't generally do major version releases, which can sometimes be a signal for breaking changes, thus my concern!
philistine 6y ago
I'm a lowly, very dumb user too. I ran Brew doctor and realized that the default installation is now in /opt/homebrew (which to my dumb ears seems like it solves most complaints I've heard about Homebrew). Since Homebrew threw a warning at me with my old install in /usr/local, I completely uninstalled and reinstalled Homebrew 3.0.
mikkelam 6y ago
i migrated with brew bundle in a fresh install and it worked wonderfully.
- jrochkind1 6y ago
  i've never even heard of "brew bundle". Not sure if you're suggesting I need to do a "fresh install", or how I'd do that! But I can google! I guess I was sort of expecting some migration instructions with the release notes...
romellem 6y ago
I agree. Any type of "migration guide" that I should be aware of? They mention that ["various methods have been deprecated, disabled and removed"][0] but its hard to read from that PR exactly which commands no longer work. Thanks for all the great work on homebrew! 0: https://github.com/Homebrew/brew/pull/10397 https://github.com/Homebrew/brew/pull/10397
ihuman 6y ago
Homebrew will automatically update the next time you use the install, tap, update, or upgrade command, unless you have HOMEBREW_NO_AUTO_UPDATE set to 1

sudhirj 6y ago

Homebrew generally doesn't do breaking changes. I haven't experienced any disruption... this version seems to be a headliner for full Apple Silicon support. Even if there are any changes, `brew doctor` usually handles things for you.

jrochkind1 6y ago
Thanks! I know homebrew doesn't generally do breaking changes, but they also don't generally do major version releases, which can sometimes be a signal for breaking changes, thus my concern!

philistine 6y ago

I'm a lowly, very dumb user too. I ran Brew doctor and realized that the default installation is now in /opt/homebrew (which to my dumb ears seems like it solves most complaints I've heard about Homebrew). Since Homebrew threw a warning at me with my old install in /usr/local, I completely uninstalled and reinstalled Homebrew 3.0.

mikkelam 6y ago

i migrated with brew bundle in a fresh install and it worked wonderfully.

jrochkind1 6y ago
i've never even heard of "brew bundle". Not sure if you're suggesting I need to do a "fresh install", or how I'd do that! But I can google! I guess I was sort of expecting some migration instructions with the release notes...

romellem 6y ago

I agree. Any type of "migration guide" that I should be aware of? They mention that ["various methods have been deprecated, disabled and removed"][0] but its hard to read from that PR exactly which commands no longer work. Thanks for all the great work on homebrew! 0: https://github.com/Homebrew/brew/pull/10397 https://github.com/Homebrew/brew/pull/10397

ihuman 6y ago

Homebrew will automatically update the next time you use the install, tap, update, or upgrade command, unless you have HOMEBREW_NO_AUTO_UPDATE set to 1