When entering a repository path, users should be able to hit TAB for autocomplete, like in bash.

I would like to drop Spring Boot support for 1.5.x. It is EOL https://spring.io/blog/2018/07/30/spring-boot-1-x-eol-aug-1st-2019
I would also add some notes in the docs, that we adhere to the spring boot lifecycle in order to be transparent about dropping support for versions.