gistfile1.txt

* Install JRuby (tested with v.1.2.0 and 1.3.1)
* Install Addresable, Extlib, DataObjects (edge):

    jruby -S gem install addressable

    git clone git://github.com/datamapper/extlib && cd extlib
    git checkout -b next --track origin/next
    jruby -S rake install & cd ..

    git clone git://github.com/datamapper/do && cd do
    git checkout -b next --track origin/next
    cd data_objects && jruby -S rake install & cd ..
    cd do_jdbc && jruby -S rake install & cd ..

* Pick the DO Driver you wish to use:
    cd do/do_DRIVERNAME && jruby -S rake install && cd ..
    cd ..

* Then proceed to install DataMapper (edge):
    git clone datamapper/dm-core && git checkout -b next --track origin/next
    cd dm-core && jruby -S rake install & cd ..

    git clone datamapper/dm-more && git checkout -b next --track origin/next
    cd dm-more && jruby -S rake install & cd ..

* Finally, depending on the DO Driver you picked above, install the its corresponding JDBC Driver:

    jruby -S gem install jdbc-derby 
    jruby -S gem install jdbc-h2
    jruby -S gem install jdbc-hsqldb
    jruby -S gem install jdbc-mysql
    jruby -S gem install jdbc-postgres
    jruby -S gem install jdbc-sqlite3