Rails Database Config File

database.yml

<% branch = `git branch | grep "*"`.sub('*', '').strip %>
common: &common
  adapter: postgresql
  username: 
  password:
  host: localhost

development:
  database: cp_<%= branch %>_development
  <<: *common

production:
  database: cp_<%= branch %>_production
  <<: *common

test: &test
  database: cp_<%= branch %>_test
  adapter: postgresql
  username: 
  password:
  host: localhost

cucumber:
  <<: *test