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How to avoid "cannot load such file -- utils/popen" from homebrew on OSX

I'm getting an error when I run brew in the terminal:

 /System/Library/Frameworks/Ruby.framework/Versions/2.0/usr/lib/ruby/2.0.0/rubygems/core_ext/kernel_require.rb:55:in `require': cannot load such file -- utils/popen (LoadError)
from /System/Library/Frameworks/Ruby.framework/Versions/2.0/usr/lib/ruby/2.0.0/rubygems/core_ext/kernel_require.rb:55:in `require'
from /usr/local/Library/Homebrew/utils.rb:6:in `<top (required)>'
from /System/Library/Frameworks/Ruby.framework/Versions/2.0/usr/lib/ruby/2.0.0/rubygems/core_ext/kernel_require.rb:55:in `require'
from /System/Library/Frameworks/Ruby.framework/Versions/2.0/usr/lib/ruby/2.0.0/rubygems/core_ext/kernel_require.rb:55:in `require'
from /usr/local/Library/Homebrew/global.rb:9:in `<top (required)>'
from /System/Library/Frameworks/Ruby.framework/Versions/2.0/usr/lib/ruby/2.0.0/rubygems/core_ext/kernel_require.rb:55:in `require'
from /System/Library/Frameworks/Ruby.framework/Versions/2.0/usr/lib/ruby/2.0.0/rubygems/core_ext/kernel_require.rb:55:in `require'
from /usr/local/Library/brew.rb:16:in `<main>'

These are my gem settings:

- RUBYGEMS VERSION: 2.0.14
- RUBY VERSION: 2.0.0 (2014-02-24 patchlevel 451) [universal.x86_64-darwin13]
- INSTALLATION DIRECTORY: /Library/Ruby/Gems/2.0.0
- RUBY EXECUTABLE: /System/Library/Frameworks/Ruby.framework/Versions/2.0/usr/bin/ruby
- EXECUTABLE DIRECTORY: /usr/bin
- RUBYGEMS PLATFORMS:
  - ruby
  - universal-darwin-13
- GEM PATHS:
  - /Library/Ruby/Gems/2.0.0
  - /Users/ronaldkwan/.gem/ruby/2.0.0
  - /System/Library/Frameworks/Ruby.framework/Versions/2.0/usr/lib/ruby/gems/2.0.0
- GEM CONFIGURATION:
  - :update_sources => true
  - :verbose => true
  - :backtrace => false
  - :bulk_threshold => 1000
like image 733
kerokero Avatar asked Jul 09 '14 11:07

kerokero


5 Answers

Original Answer

The problem mainly occurs after updating OS X to El Capitan (OS X 10.11) or macOS Sierra (macOS 10.12).

This is because of file permission issues with El Capitan’s or later macOS's new SIP process. Try changing the permissions for the /usr/local directory:

$ sudo chown -R $(whoami):admin /usr/local  

If it still doesn't work, use these steps inside a terminal session and everything will be fine:

cd /usr/local/Homebrew
git reset --hard origin/master
brew update

If /usr/local/Library/Homebrew doesn't work, try /usr/local/Homebrew. The problem might be that Homebrew is outdated.

Apr 2021 Update

The command above doesn't work for macOS High Sierra or above, as explained in this GitHub issue. You have to run this instead:

sudo chown -R $(whoami) $(brew --prefix)/*
like image 113
Vineet Kapoor Avatar answered Nov 19 '22 23:11

Vineet Kapoor


First, open a terminal session and run:

cd /usr/local/
git status

to see if Homebrew is clean.

If it's dirty, run:

git reset --hard && git clean -df

then

brew doctor
brew update

If it's still broken, try this in your session:

sudo rm /System/Library/Frameworks/Ruby.framework/Versions/Current
sudo ln -s /System/Library/Frameworks/Ruby.framework/Versions/1.8 /System/Library/Frameworks/Ruby.framework/Versions/Current

This will force Homebrew to use Ruby 1.8 from the system's installation.

like image 29
richarddong Avatar answered Nov 20 '22 00:11

richarddong


Uninstall homebrew:

 ruby -e "$(curl -fsSL https://raw.githubusercontent.com/Homebrew/install/master/uninstall)"

Then reinstall

ruby -e "$(curl -fsSL https://raw.githubusercontent.com/Homebrew/install/master/install)"

Warning: This script will remove: /Library/Caches/Homebrew/ - thks benjaminsila

like image 83
odemolliens Avatar answered Nov 19 '22 23:11

odemolliens


In my case I just needed to remove Homebrew's executable using:

sudo rm -f `which brew`

Then reinstall Homebrew:

ruby -e "$(curl -fsSL https://raw.githubusercontent.com/Homebrew/install/master/install)"
like image 27
Inanc Gumus Avatar answered Nov 20 '22 00:11

Inanc Gumus


After updating to El Capitan, /usr/local has root:wheel rights.

Change the rights back to the user using:

sudo chown -R $(whoami):admin /usr/local

and:

brew doctor && brew update

This helped me to get Homebrew working again.

like image 24
Josef Rysanek Avatar answered Nov 19 '22 23:11

Josef Rysanek