portage-ng / portage / sci-physics / vmc / 2.1
pmerge --pretend --verbose
!!! resolution failed
!!! request ( ( ('repo.livefs',) EqualityMatch: =False || ( ('category',) == virtual && ('package_is_real',) EqualityMatch: =False ) ) && =sci-physics/vmc-2.1 ), mode none
!!! trying sci-physics/vmc-2.1
!!!   request sci-physics/root:=, mode depend
!!!   removing choices involving sci-physics/root:=

Failures encountered:
!!! failed '( ( ('repo.livefs',) EqualityMatch: =False || ( ('category',) == virtual && ('package_is_real',) EqualityMatch: =False ) ) && =sci-physics/vmc-2.1 )'
potentials:
repo gentoo: [ ebuild src: sci-physics/vmc-2.1 ]

Wall time
0.418 s vs. 0.692 s for portage-ng