portage-ng / portage / sci-chemistry / threeV / 1.2-r2
pmerge --pretend --verbose
!!! resolution failed
!!! request ( ( ('repo.livefs',) EqualityMatch: =False || ( ('category',) == virtual && ('package_is_real',) EqualityMatch: =False ) ) && =sci-chemistry/threeV-1.2-r2 ), mode none
!!! trying sci-chemistry/threeV-1.2-r2
!!!   request sci-chemistry/msms-bin, mode pdepend
!!!   removing choices involving sci-chemistry/msms-bin

Failures encountered:
!!! failed '( ( ('repo.livefs',) EqualityMatch: =False || ( ('category',) == virtual && ('package_is_real',) EqualityMatch: =False ) ) && =sci-chemistry/threeV-1.2-r2 )'
potentials:
repo gentoo: [ ebuild src: sci-chemistry/threeV-1.2-r2 ]

Wall time
0.413 s vs. 0.004 s for portage-ng