This plugin is built with Buck.
Only in Gerrit tree build mode is supported.
Clone or link this plugin to the plugins directory of Gerrit's source tree, and issue the command:
buck build plugins/gerrit-oauth-provider
The output is created in
buck-out/gen/plugins/gerrit-oauth-provider/gerrit-oauth-provider.jar
This project can be imported into the Eclipse IDE:
./tools/eclipse/project.py