All done.Īt no time did I touch the python installation located within the /System folder. Reinstall python and python3 via homebrew.
So, brew prune (or brew cleanup -prune in newer versions of Homebrew) worked perfectly.
REMOVE HOMEBREW FROM MAC INSTALL
I initially renamed the ones that were obviously going to cause me trouble. Once Command Line Tools has installed, you can go ahead and install Homebrew like this: Launch Terminal again. which python3 -> /usr/local/bin/python3 Delete the entire python3 directory.which python -> /Library/Frameworks/amework/Versions/2.7/bin/pythonĭelete the entire amework directory from /Library/Frameworks.So, I ended up removing all python installations, and reinstalling things via Homebrew. If, like me, you have multiple Macs with different CPU architectures, you can add something like this to your. For instance, my command line tools imageprep, pdfmaker and utitool continue to install into /usr/local/bin even when installed by M1-native Homebrew and even though they contain native ARM64 code. Take care with the contents of /usr/local/bin - you may have tools there that were not installed by Homebrew, or were installed by Homebrew but with fixed install locations. If all of your Homebrew-installed tools are now native, you may not want to keep the old Homebrew install, and so the first four of these can probably be deleted. Once you’ve done, it’s worth running brew cleanup to clear out any cruft from each install and then manually deleting any remaining orphaned files and links from /usr/local - look in the various sub-directories, including Caskroom, Cellar, Frameworks, Homebrew, and lib. I just need to try to re-install it using the native Homebrew every so often, or keep tabs on the Homebrew GitHub repo. Fortunately, I don’t use shellcheck regularly, so I can afford to wait for native support among all of its many dependencies. Your mileage will vary according to which tools you use.įor example, I use shellcheck for linting Bash scripts, but it’s not yet native and, as the Homebrew folk warn might be the case, can’t be built from source, at least not using Homebrew. Python 3.9 is M1 native, so that saves a lot of bother I was able to rip out the non-native version entirely. I can now build my websites with Hugo running on Go natively. I found that the majority of my previously installed tools have ARM64 versions, including some, like the Go language, which did not when I last checked, a few weeks ago. I had side-by-side terminal tabs, one for brew … and the other for /usr/local/bin/brew … as I worked through my installed tools to check they install natively in the first tab and, if so, uninstalling the non-native version from the second tab. I didn’t do this at this point, but were I to do all this again, I would add a further alias: alias oldbrew=/usr/local/bin/brew just to make accessing the old install a little more convenient. But do read on for a solution that works with multiple Macs of different CPU architectures. For example, alias nano=/opt/homebrew/bin/nano instead of alias nano=/usr/local/bin and export PATH="/opt/homebrew/bin:$PATH" in place of export PATH="/usr/local/bin:$PATH".
REMOVE HOMEBREW FROM MAC UPDATE
zshrc file to update any PATH additions or aliases to the new Homebrew installation. Tools that lack ARM64 versions can stay in the emulated world - just move on to the next one.Įdit your. If you’ve been using Homebrew under emulation, you now have two side-by-side installs, so from this point on it’s a matter of working tool by tool, installing an ARM64 versions then removing the x86-64 version.
REMOVE HOMEBREW FROM MAC MAC
On an M1 Mac it will create a new installation under /opt/homebrew (on Intel it’s under /usr/local/bin). Here’s what I did.įirst, re-run the Homebrew installer. I’ve been using a mix of native Terminal (for tool usage) and Terminal under Rosetta 2 (for tool installation and upgrades), so anything that saves me from maintaining two Termini or temporarily switching the Open using Rosetta option in the utility’s Get Info panel (and usually forgetting to switch it back afterwards) is a bonus. Apple Silicon Mac, now with native Homebrew support
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