all your gems for ruby 1.9.1

gistfile1.sh

# installing datamapper under ruby 1.9
cd /tmp
git clone git://github.com/genki/bcrypt-ruby.git
cd bcrypt-ruby
gem1.9 build *.gemspec
sudo -s
gem1.9 install *.gem
cd ..
rm -R bcrypt-ruby
gem1.9 install dm-core dm-aggregates dm-migrations dm-serializer dm-timestamps dm-validations dm-cli dm-is-tree dm-observer hoe
gem1.9 install dm-types datamapper --ignore-dependencies 
exit
cd -