QA: install
QA Notice: command not found:

	/var/tmp/portage/sci-mathematics/rstudio-1.2.1335/temp/environment: line 5054: egit_clean: command not found
QA: other
The ebuild is installing to one or more unexpected paths:

  /usr/extras

Please fix the ebuild to use correct FHS/Gentoo policy paths.
One or more CMake variables were not used by the project:
  QT_QMAKE_EXECUTABLE
  RSTUDIO_INSTALL_FREEDESKTOP