benhoskings/babushka — pull request #303 by santouras (2014-01-02 03:15:21+00:00)
Title: Adding PPA's fails if not being run as root

Previously

```
Stderr from the command:

Error: must run as root
failed
E: Could not open lock file /var/lib/apt/lists/lock - open (13: Permission denied)
E: Unable to lock directory /var/lib/apt/lists/
E: Could not open lock file /var/lib/dpkg/lock - open (13: Permission denied)
E: Unable to lock the administration directory (/var/lib/dpkg/), are you root?
failed
```

relevant dep
```ruby
dep "tmux.managed" do
requires "ppa".with("ppa:pi-rho/dev")
installs "tmux"
provides "tmux"
end
```