portage-ng / portage / dev-ruby / prism / 1.7.0
pmerge --pretend --verbose
!!! resolution failed
!!! request ( ( ('repo.livefs',) EqualityMatch: =False || ( ('category',) == virtual && ('package_is_real',) EqualityMatch: =False ) ) && =dev-ruby/prism-1.7.0 ), mode none
!!! trying dev-ruby/prism-1.7.0
!!!   failed due to failed inserting: [<PackageWrapper pkg=<<class 'pkgcore.ebuild.ebuild_src.package'> cpv='dev-ruby/prism-1.9.0' @0x10d62c9f0> wrapped='use' @0x10dbad7d0>]

Failures encountered:
!!! failed '( ( ('repo.livefs',) EqualityMatch: =False || ( ('category',) == virtual && ('package_is_real',) EqualityMatch: =False ) ) && =dev-ruby/prism-1.7.0 )'
potentials:
repo gentoo: [ ebuild src: dev-ruby/prism-1.7.0 ]

Wall time
0.563 s vs. 0.709 s for portage-ng