schleuder install: Should exit if encountering errors
$ schleuder install
rake aborted!
Errno::EACCES: Permission denied @ rb_sysopen - db/schema.rb
/var/lib/gems/2.1.0/gems/activerecord-4.2.7/lib/active_record/railties/databases.rake:239:in `initialize'
/var/lib/gems/2.1.0/gems/activerecord-4.2.7/lib/active_record/railties/databases.rake:239:in `open'
/var/lib/gems/2.1.0/gems/activerecord-4.2.7/lib/active_record/railties/databases.rake:239:in `block (3 levels) in <top (required)>'
/var/lib/gems/2.1.0/gems/activerecord-4.2.7/lib/active_record/railties/databases.rake:52:in `block (2 levels) in <top (required)>'
/var/lib/gems/2.1.0/gems/activerecord-4.2.7/lib/active_record/railties/databases.rake:45:in `block (2 levels) in <top (required)>'
/var/lib/gems/2.1.0/gems/rake-12.0.0/exe/rake:27:in `<top (required)>'
Tasks: TOP => db:schema:dump
(See full trace by running task with --trace)
Schleuder has been set up. You can now create a new list using `schleuder-cli`.
We hope you enjoy!
schleuder@schleuder:/root$ echo $?
0