How to clean Heroku dependency cache (unmanaged maven dependencies)

Question

I have to use an unmanaged SNAPSHOT dependency in my java/maven heroku app. I do this using a project-local maven repository as desribed in this article.

Heroku c

Answer 1

There's a branch of the java buildpack that clears maven cache. To use it, configure your app to use the cache_clear branch:

heroku config:set BUILDPACK_URL=https://github.com/heroku/heroku-buildpack-java.git#cache_clear

===Update===

There's a plugin that clears cache on any app. Install it and run the purge-cache command.

$ heroku plugins:install https://github.com/heroku/heroku-repo.git

$ heroku repo:purge_cache -a appname