RVM + HomeBrew + Nokogiri

nokogiri.sh

#!/bin/sh

##
# to install :
# $ curl -L "https://gist.github.com/gists/path/to/raw/gist/nokogiri.sh" | sh

set -e

echo "installing libraries"
brew install libxml2
brew install libxslt
brew install libiconv

echo "linking libraries"
brew link libxml2
brew link libxslt
brew link libiconv

echo "installing gem"
gem install nokogiri -- --with-xml2-include="$(brew --prefix libxml2)/include/libxml2/" \
                        --with-xml2-lib="$(brew --prefix libxml2)/lib/"                 \
                        --with-xslt-include="$(brew --prefix libxslt)/include/libxslt/" \
                        --with-xslt-lib="$(brew --prefix libxslt)/lib/"                 \
                        --with-iconv-include="$(brew --prefix libiconv)/include/"       \
                        --with-iconv-lib="$(brew --prefix libiconv)/lib/"