Shell script to install Ruby rmagick -v '2.12.2' Gem with Homebrew under Mac OS X Mavericks

rmagick_2-12-2_mavericks.sh

# This is a quick and dirty script for Max OS X Mavericks to install
# the Ruby rmagick Gem (Version 2.12.2) correct with Homebrew and ImageMagick

# Uninstall current ImageMagick (if installed)
if brew list -1 | grep -q "imagemagick"; then
  brew uninstall imagemagick --force
fi

# Get all versions of ImageMagick via Homebrew
brew versions imagemagick

cd $( brew --prefix )
git checkout 321b293 Library/Formula/imagemagick.rb
brew install imagemagick

# change into the ImageMagick Dir and create some symlinks
cd "`Magick-config --prefix`"

ln -s libMagick++-Q16.7.dylib   libMagick++.dylib
ln -s libMagickCore-Q16.7.dylib libMagickCore.dylib
ln -s libMagickWand-Q16.7.dylib libMagickWand.dylib

# change also same stuff in the ./lib Dir
cd "`Magick-config --prefix`/lib"

ln -s libMagick++-Q16.7.dylib   libMagick++.dylib
ln -s libMagickCore-Q16.7.dylib libMagickCore.dylib
ln -s libMagickWand-Q16.7.dylib libMagickWand.dylib

# Finally: Install the Gem
cd ~
gem install rmagick -v '2.12.2'