pda/base_script — pull request #1 by harto (2014-06-05 01:32:10+00:00)
Title: unless_dry_run() prints skip-message or executes block

The following invocation prints `Skipping save user due to dry run` if `--dry-run`, otherwise the block is executed:

```ruby
unless_dry_run("save user") do
user.save!
end
```