portage-ng / portage / sci-misc / nco / 5.3.9
pmerge --pretend --verbose
!!! resolution failed
!!! request ( ( ('repo.livefs',) EqualityMatch: =False || ( ('category',) == virtual && ('package_is_real',) EqualityMatch: =False ) ) && =sci-misc/nco-5.3.9 ), mode none
!!! trying sci-misc/nco-5.3.9
!!!   request >=sci-libs/netcdf-4:=[-dap,tools(+)], mode depend
!!!   removing choices involving >=sci-libs/netcdf-4:=[-dap,tools(+)]

Failures encountered:
!!! failed '( ( ('repo.livefs',) EqualityMatch: =False || ( ('category',) == virtual && ('package_is_real',) EqualityMatch: =False ) ) && =sci-misc/nco-5.3.9 )'
potentials:
repo gentoo: [ ebuild src: sci-misc/nco-5.3.9 ]

Wall time
0.419 s vs. 0.063 s for portage-ng