How to start over with Homebrew? - macos

I recently replaced my Intel Macbook with an M2 Mac, using my Time Machine backup to initialize the hard drive. That, of course, dutifully copied all the Intel code.
I had brewed onto the old system. Today running brew upgrade gives me:
Error: Cannot install in Homebrew on ARM processor in Intel default prefix (/usr/local)!
Please create a new installation in /opt/homebrew using one of the
"Alternative Installs" from:
https://docs.brew.sh/Installation
You can migrate your previously installed formula list with:
brew bundle dump
So of course I ran brew bundle dump and that didn't give me any more direction. I'm ready to wipe the entire slate clean with something like rm -rf xxx and start over, but I feel like I should be choosy about xxx.
FWIW, brew --version returns:
Homebrew 3.6.5-10-gbde685a
Homebrew/homebrew-core (git revision d6fa8906828; last commit 2022-10-11
Homebrew/homebrew-cask (git revision 576798b72f; last commit 2022-10-12)
Any real help would be welcome (except "switch to macports").

It turns out that just running "brew bundle dump" is only the first step. Follow that wit "brew bundle install --file Brewfile", as explained very clearly in earthly.dev/blog/homebrew-on-m1

Don't rush to follow my advice, or accept my answer. Someone else may give you something better if you are patient...
You should be able to get a list of installed packages in the current setup then it'll be easier to install the same packages in the new one. Try this and see if it looks correct:
brew ls > ~/oldbrewpackages.txt
You need to find where your current casks and stuff are installed. Like this:
brew config
and look for HOMEBREW_PREFIX. Snuffle around in there and see if it looks like where all your packages are.
Next, I would look around for anything to do with homebrew in my login profiles, comment it out by putting a hash (#) at the start of the line, save the file and check you can still start a new Terminal without errors:
grep -i homebrew -/.*
Now, rather than removing all your homebrew stuff under HOMEBREW_PREFIX, I would try renaming it. You may need to turn off "System Integrity Protection" first.
Then if your homebrew stuff is under /opt/homebrew, you could do:
sudo mv /opt/homebrew /opt/homebrew.unused
Then you'll want to reboot.
Now you should be able to install a new homebrew without it detecting the old one... hopefully.
To install your previous packages in your new homebrew, you want:
brew install $(cat -/oldbrewpackages.txt)
If everything looks good and works well, make a backup and then type the command to delete your old stuff, and read it very carefully 3x before hitting Enter
sudo rm -rf /opt/homebrew.unused

Related

Deleting usr/local/octave on Mac

I have this folder on my Mac:
usr/loca/octave/3.8.0
It is taking up 2.3 gb. I don't really use octave anymore. Is there a safe way to delete this folder and save space? I ran brew uninstall octave, but that removed a different version of octave.
You should be able to delete anything in /usr/local (as it is specific to user), and run brew doctor to verify if the cleanup is complete.
Even you accidentally delete something undesired, you can always reinstall to get it back.

how to install libX11 on OSx 10.9?

I am trying to install ROOT (cern.root.ch). When I run ./configure , I get a message that libX11 is missing and must be installed.
I did some research and found that I need to install
) XQuartz (I already have the latest version.)
) Command line tools in Xcode.
I tried installing Command Line Tools from apple's developer website. The installation goes through smoothly but how do I know whether it has been installed? I still get libX11 missing error with root's configure command.
I also tried xcode-select --install and it once went through smoothly and then later again gives error saying this package is no longer maintained - or something of that sort.
I understand I may have multiple installations... But I am still facing the problem of not having libX11 and not being able to install ROOT.
Thanks,
Hershal.
This link and the one referenced in it suggests you use homebrew (brew) to install it
$ ruby <(curl -fsS https://raw.github.com/mxcl/homebrew/go)
$ brew doctor
Remember to add the Homebrew directory to your PATH by adding the directory (found with brew --prefix) to your .bashrc, .zshrc or whatever shell file you’re using (.bashrc is the OS X default). We’ll also add the XQuartz binaries to the PATH in case anything needs them in the future.
export PATH=/usr/local/bin:/opt/X11/bin:$PATH
Start a new Terminal session to pick up the changes.
Now that Homebrew is installed, we can use it to install the required dependencies. Each may take some time as Homebrew generally compiles from source.
$ brew install gfortran # Fortran compiler
$ brew install python # Python interpreter
$ brew install pcre # Regular Expressions library
$ brew install fftw # Fast Fourier Transforms
$ brew install cmake # Cross-platform make
install root
$ brew tap homebrew/science
$ brew install --with-cocoa root
You don't say whether you have installed XCode as well as the commandline tools but I think you will need it

MongoDB installed via Homebrew not working

I installed MongoDB via Homebrew (following http://docs.mongodb.org/manual/tutorial/install-mongodb-on-os-x/) but it's not working.
Typing mongod at shell prompt gives me:
-bash: mongod: command not found
Not sure if I need to add something for Homebrew to my PATH env var?
I can see Mongo is installed under /usr/local/Cellar/mongodb – but am assuming I don't need to add everything I install via homebrew to the path? Also, assuming I can run mongod from any directory or am I actually meant to be in install directory?
When I run brew doctor I get:
Warning: You have unlinked kegs in your Cellar
Followed by a list of 3 items which includes MongoDB – but I'm not sure how I'm meant to link them?
Works perfectly
brew update
brew tap mongodb/brew
brew install mongodb-community#4.2
For latest version, check https://docs.mongodb.com/manual/release-notes/
You're getting this error because your 'brew' install failed to create the correct symlinks in /usr/local/bin. As a result, the shell can't find the mongo executables in your $PATH. You can fix this using the following steps:
Check the permissions on /usr/local/bin and make sure that you own that directory and have write permissions on it
$ ls -ld /usr/local/bin
Once you've fixed that, run 'brew link' to fix the symlinks
$ brew link mongodb
If you are on mongodb-community#4.0. You can try to reinstall with brew reinstall mongodb-community#4.0.
Then I get the following hint:
==> Caveats
mongodb-community#4.0 is keg-only, which means it was not symlinked into /usr/local,
because this is an alternate version of another formula.
If you need to have mongodb-community#4.0 first in your PATH run:
echo 'export PATH="/usr/local/opt/mongodb-community#4.0/bin:$PATH"' >> ~/.bash_profile
So you can just copy the echo command and restart your shell!
Copied from a different channel running these commands in the terminal updated the installation/configuration issues as described in OP
brew tap mongodb/brew
brew install mongodb-community
brew services start mongodb-community
I faced the same problem and this solution seemed to work for me. I had previously uninstalled mongodb and reinstalled it through homebrew which gave me a bunch of problems. This solution seemed to work just fine.
brew uninstall --force mongodb
brew cleanup -s mongodb
brew cleanup --prune-prefix
brew install mongodb
It works from the directory since the sh searches the ENV path and then the cwd for a program named mongod. I have been looking around a little and it seems that the default install of MongoDB (I am not a Mac user) does not install a rc or init script for which sh to understand it's running behaviour as stated here:
http://docs.mongodb.org/manual/tutorial/install-mongodb-on-os-x/#using-mongodb-from-homebrew-and-macports
The packages installed with Homebrew and MacPorts contain no control
scripts or interaction with the system’s process manager.
If you have configured Homebrew and MacPorts correctly, including
setting your PATH, the MongoDB applications and utilities will be
accessible from the system shell. Start the mongod process in a
terminal (for testing or development) or using a process management
tool.
So you must actually define (as you said) MongoDBs path, here is an example: https://snipt.net/sido/installing-mongodb-on-os-x/
Edit: the example is not mine. I just stole it from it's user: https://snipt.net/sido/

OSX Homebrew error: uninitialized constant MACOS

I've searched around a bit and can't seem to find any record of anyone else with this problem.
Whenever I try to run
$ brew update
I am rewarded with
/usr/local/bin/brew:34: uninitialized constant MACOS (NameError)
This isn't my machine and I normally develop on Linux systems so this is all a bit odd to me.
Any help would be greatly appreciated! Please tell me if there is any additional info I should provide. Again, I'm not used to homebrew or OSX.
EDIT
at the request of JameA
xiao:~ patrick$ brew doctor
/usr/local/bin/brew:34: uninitialized constant MACOS (NameError)
xiao:~ patrick$ brew --config
/usr/local/bin/brew:34: uninitialized constant MACOS (NameError)
...Not sure I like this whole "here, use this macbook for the project, it works better" thing...
I'm pretty sure the root cause of this is a failed upgrade attempt to Homebrew 0.9.5 from a much earlier version. Basically, if you run brew update as opposed to sudo brew update a portion of files are updated, while others are not. Here's what worked for me:
Edit /usr/local/bin/brew (it's just a Ruby file, not a compiled binary, so any text editor will do). You'll find a block like:
if MACOS and MACOS_VERSION < 10.5
abort <<-EOABORT.undent
Homebrew requires Leopard or higher. For Tiger support, see:
https://github.com/mistydemeo/tigerbrew
EOABORT
end
Comment this out. Even if you don't know Ruby, you can probably intuit what this is doing—it's checking to see if you have a current version of OSX. Assuming that you do in fact have this version, this sanity check isn't necessary. Brew is still broken, but at least now it will load far enough to give error messages.
Run sudo brew update, spoiler alert: it fails, but this time with a meaningful error message:
$ brew update
error: Your local changes to the following files would be overwritten by merge:
[giant list of files here]
Well, today I learned that brew update is just a wrapper for git pull because anyone who has worked with git knows that error message. We can fix this too.
Switch into the homebrew git repository with cd /usr/local and give the command git reset --hard FETCH_HEAD.
This piece found here.
Give the command sudo brew update. Homebrew should now update successfully and work properly!
Once the system is working again, you can actually kind of see why an error like this would have occurred. For one, usr/local/bin/brew has been completely rewriten and isn't even Ruby anymore, and most of its configuration has been moved into /usr/local/Library/brew.rb which no longer uses the constants MACOS or MACOS_VERSION constants, as they have been replaced by the more object oriented OS.mac and MacOS.version.
The MACOS constant is set in globals.rb. It seems like you may have a borked installation of Homebrew.
Check the output of brew doctor for any suggestions.
If that doesn't help please update with the results of brew --config.
If all else fails you may want to try re-installing Homebrew.
UPDATE:
Since this was a previous user's machine make sure your user is the owner of /usr/local and everything within. Fix it with sudo chown -R $USER /usr/local.
I had a similar issue, when I Killed an install mid-way with Ctrl-D.
Post that whenever I tried installing anything it gave the following error
uninitialized constant Homebrew::CLI::Parser::ARGV_WITHOUT_MONKEY_PATCHING
As a fix, I went to the directory I had where homebrew was installed, and reset the HEAD.
cd /usr/local/Homebrew
git status
git checkout .
And then it started working magically.
I had a similar error with a "borked" installation of brew. I removed the small 5 line block of code in the /usr/local/bin/brew script starting with the MACOS line. That did the trick to allow me to uninstall and eventually reinstall it.
In addition to Matt Korostoff's answer.
On point 3 (resetting the repo), for recent version of Homebrew, the repo is no longer /usr/local, do cd "$(brew --repo)" instead.

Installing meld on OS X

After I got MacPorts installed and did a 'sudo port -v selfupdate', I try to install meld.
The installation just starts to Fetching all kinds of stuff
gnome-comoon
perl5.8
perl5
pkgconfig
.....
this goes on and on.
Is that normal?
You may want to install it via HomeBrew (already mentioned before):
brew install homebrew/gui/meld
Though you may face stability issues (as I did). So I'd rather recommend to use "Meld for OSX":
Go to https://yousseb.github.io/meld/
Download DMG file you prefer (e.g. "Download latest DMG" https://github.com/yousseb/meld/releases/download/osx-6/meldmerge.dmg)
Install it to your Applications folder
We are basically done, but it is not accessible via command line.
Solution:
Write a small wrapper to run from Terminal:
echo -e '#!/bin/sh
params="$#"
open -W -a Meld --args $params' | sudo tee /usr/local/bin/meld
sudo chmod +x /usr/local/bin/meld
Try (you must use absolute paths though):
meld /home/a.txt /home/b.txt
Or just run Meld from menu.
meld is now available in homebrew. The formula can be found here.
See this answer by cmedeiros on SuperUser for more information on installing and getting it to work. This is much easier than using MacPorts.
Current command with updated formula to install meld with homebrew is:
brew install caskroom/cask/meld
Yes, it is normal to pull in dependencies but it shouldn't take too long. For comparison, installing Meld with Homebrew took about 15 minutes for me.
For reference, my installation of Meld on OS X Mavericks:
Install Xcode from the app store
Install XQuartz from package (Meld will complain if you don't have it)
command line: 'brew install meld'
If you are prompted to install the Xcode command line tools at some point, do so.
Hope this helps.
Unfortunately, the is very normal with MacPorts, and is the reason that people many have switched to homebrew http://github.com/mxcl/homebrew
However, I found this post because homebrew doesn't include Meld. Sigh.
Consider downloading macOS meld version dmg https://github.com/yousseb/meld/releases/
Brew now works brew install --cask meld.
See https://formulae.brew.sh/cask/meld#default
UPDATE Jul-23-2020
Just do :
brew install homebrew/gui/meld
using the updated brew link: brew install caskroom/cask/meld
even after this its not working when I install backup and restore tool by google. I guess its messing up with the python version.

Resources