The unfoo ebuild has an optional dependency on unrar-gpl. We're gonna remove unrar-gpl, see #628432 (unresolved security issues, dead upstream and mostly useless these days). Please remove that dependency.
commit ed50c80eb7bc2c99198cdbac56befeebeae344a0 Author: Daniel Campbell <zlg@gentoo.org> Date: Mon Aug 21 00:53:52 2017 -0700 app-misc/unfoo: Remove unrar-gpl from COMMON_DEPS * Remove unrar-gpl from COMMON_DEPS * EAPI bump * Copyright year bump Stable ebuild chosen over revbump due to security issues. Thanks hanno for reporting. Gentoo-Bug-URL: https://bugs.gentoo.org/628474 Gentoo-Bug: 628474 Package-Manager: Portage-2.3.6, Repoman-2.3.3