```ruby
default[:leiningen][:lein1][:version]        = "1.7.1"
default[:leiningen][:lein1][:install_script] = "https://github.com/technomancy/leiningen/raw/#{leiningen[:lein1][:version]}/bin/lein"

default[:leiningen][:lein2][:version]        = "2.0.0-preview8"
default[:leiningen][:lein2][:install_script] = "https://raw.github.com/technomancy/leiningen/preview/bin/lein"
```

Make sure we download lein2 w.r.t. the version we want
user
```ruby
default[:leiningen][:lein1][:version]        = "1.7.1"
default[:leiningen][:lein1][:install_script] = "https://github.com/technomancy/leiningen/raw/#{leiningen[:lein1][:version]}/bin/lein"

default[:leiningen][:lein2][:version]        = "2.0.0-preview8"
default[:leiningen][:lein2][:install_script] = "https://github.com/technomancy/leiningen/raw/#{leiningen[:lein2][:version]}/bin/lein"
```
assistant