=> Creating binary package /tmp/pkgbuild/devel/ruby-power_assert/work.alpha/.packages/ruby26-power_assert-1.1.3.tgz
pkg_add: Conflicting PLIST with ruby26-base-2.6.3: lib/ruby/gems/2.6.0/cache/power_assert-1.1.3.gem
pkg_add: 1 package addition failed