The command foreman-rake plugin:apipie:cache[plugin_name] doesn't work after commit https://github.com/theforeman/foreman/commit/d9e8331586995e2dd5b925b7194383573f836ab1#diff-73159d3f7b3ad7fed989409d6d6cf5763c064c09556541dcda9c7303bf772152. The path_name variable definition was removed from lib/tasks/plugin_apipie.rake.

# foreman-rake plugin:apipie:cache[plugin_name]
rake aborted!
NameError: undefined local variable or method `path_name' for main:Object
Did you mean?  Pathname
/usr/share/foreman/lib/tasks/plugin_apipie.rake:14:in `block in <top (required)>'
/usr/share/gems/gems/rake-13.0.3/exe/rake:27:in `<top (required)>'
Tasks: TOP => plugin:apipie:cache
(See full trace by running task with --trace)