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Upgrading Homebrew for Mac OS X Yosemite

A new operating system means taking a few minutes to upgrade Homebrew. Here is how I went through the process.

You've installed Mac OS X Yosemite, and now it's time for that feared task -- upgrading Homebrew.

At first, brew wouldn't work at all. I saw this error:

/usr/local/bin/brew:
/usr/local/Library/brew.rb:
/System/Library/Frameworks/Ruby.framework/Versions/1.8/usr/bin/ruby:
bad interpreter: No such file or directory

This was fixed by changing 1.8 on the first line of /usr/local/Library/brew.rb to "Current." Found that trick here.

Next, I went to upgrade Homebrew.

$ brew upgrade

Issues

Bundler & OpenSSL

Then I ran into an error with Bundler and OpenSSL, since Apple has ditched OpenSSL for their own encryption library. My error from running bundle install was:

Symbol not found: _SSLv2_client_method (LoadError)

This was fixed by relinking gcc and reinstalling the version of Ruby I was using.

$ export CC=/usr/bin/gcc
$ rbenv install 2.1.0

rbenv: /Users/sean/.rbenv/versions/2.1.0 already exists
continue with installation? (y/N) y

RMagick, Nokogiri & Libiconv

When trying to run a Rails project, I started with this issue related to RMagick:

This installation of RMagick was configured with ImageMagick 6.8.8
but ImageMagick 6.8.9-8 is in use. (RuntimeError)

Removing the bundle and trying to reinstall, like so:

$ rm -rf .bundle
$ bundle install

Led to another error, this time from nokogiri:

Building nokogiri using packaged libraries.
-----
libiconv is missing.
please visit http://nokogiri.org/tutorials/installing_nokogiri.html
for help with installing dependencies.
-----

extconf failed, exit code 1

This was fixed using the following commands:

$ xcode-select --install
$ gem uninstall nokogiri
$ gem install nokogiri
$ rbenv rehash

Here are a few important notes regarding this issue:

  • I use rbenv for managing rubies, which may change your process.
  • You'll (likely) needed to have gone through the reinstallation of your Ruby.
  • You'll also probably have to uninstall and reinstall the bundle for every Ruby project using this version of Ruby.

Postgres

I had installed postgres via Homebrew and the upgrade to Yosemite removed some directories. Follow this advice I was able to get postgres running again.

$ mkdir /usr/local/var/postgres/pg_tblspc
$ mkdir /usr/local/var/postgres/pg_twophase
$ mkdir /usr/local/var/postgres/pg_stat_tmp

It may start automatically after that. If not, you can run:

$ brew info postgres

And at the bottom, you'll see some instructions on how to proceed. Something like this:

To have launchd start postgresql at login:
    ln -sfv /usr/local/opt/postgresql/*.plist ~/Library/LaunchAgents
Then to load postgresql now:
    launchctl load ~/Library/LaunchAgents/homebrew.mxcl.postgresql.plist
Or, if you don't want/need launchctl, you can just run:
    postgres -D /usr/local/var/postgres

Feel free to let me know if you run into other quick fixes I should add to this article.

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