database_for_postgresql.yml

<% branch_name = `git symbolic-ref HEAD 2>/dev/null`.chomp.sub('refs/heads/', '') %>
<% repository_name = `git rev-parse --show-toplevel`.split('/').last.strip %>

default: &default
  adapter: postgresql
  encoding: unicode
  host: localhost
  pool: 5
  password:

development:
  <<: *default
  database: <%= "#{repository_name}_development" %>

test:
  <<: *default
  database: <%= "#{repository_name}_test" %>

staging:
  <<: *default
  database: <%= "#{repository_name}_staging" %>

production:
  <<: *default
  database: <%= "#{repository_name}_production" %>