Attempt to cache apt with travis, probably wont work...

Author: dancannon

.travis.yml

@@ -6,14 +6,13 @@ go:
   - 1.4
   - tip
 
-before_install:
-  - wget http://download.rethinkdb.com/dev/2.0.0-0RC1/rethinkdb_2.0.0%2b0RC1~0precise_amd64.deb
-  - sudo dpkg -i rethinkdb_2.0.0+0RC1~0precise_amd64.deb
+cache: apt
 
 before_script:
-#   - sudo add-apt-repository ppa:rethinkdb/ppa -y
-#   - sudo apt-get update -q
-#   - sudo apt-get install rethinkdb
+  - source /etc/lsb-release && echo "deb http://download.rethinkdb.com/apt $DISTRIB_CODENAME main" | sudo tee /etc/apt/sources.list.d/rethinkdb.list
+  - wget -qO- http://download.rethinkdb.com/apt/pubkey.gpg | sudo apt-key add -
+  - sudo apt-get update
+  - sudo apt-get install rethinkdb
   - rethinkdb > /dev/null 2>&1 &
   - rethinkdb --port-offset 1 --directory rethinkdb_data1 --join localhost:29016 > /dev/null 2>&1 &
   - rethinkdb --port-offset 2 --directory rethinkdb_data2 --join localhost:29016 > /dev/null 2>&1 &