portage-ng / portage / gnome-extra / gnome-calculator / 49.2-r1
pmerge --pretend --verbose
!!! resolution failed
!!! request ( ( ('repo.livefs',) EqualityMatch: =False || ( ('category',) == virtual && ('package_is_real',) EqualityMatch: =False ) ) && =gnome-extra/gnome-calculator-49.2-r1 ), mode none
!!! trying gnome-extra/gnome-calculator-49.2-r1
!!!   request >=dev-libs/libgee-0.20.0:0.8=, mode depend
!!!   trying dev-libs/libgee-0.20.8
!!!     request dev-lang/vala:0.56, mode depend
!!!     trying dev-lang/vala-0.56.19
!!!       request >=dev-libs/gobject-introspection-1.82.0-r2, mode depend
!!!       trying dev-libs/gobject-introspection-1.86.0-r1
!!!         request >=dev-libs/glib-2.82.0:2[introspection], mode depend
!!!         removing choices involving >=dev-libs/glib-2.82.0:2[introspection]
!!!       removing choices involving >=dev-libs/gobject-introspection-1.82.0-r2
!!!     removing choices involving dev-lang/vala:0.56
!!!   removing choices involving >=dev-libs/libgee-0.20.0:0.8=

Failures encountered:
!!! failed '( ( ('repo.livefs',) EqualityMatch: =False || ( ('category',) == virtual && ('package_is_real',) EqualityMatch: =False ) ) && =gnome-extra/gnome-calculator-49.2-r1 )'
potentials:
repo gentoo: [ ebuild src: gnome-extra/gnome-calculator-49.2-r1 ]

Wall time
0.504 s vs. 3.364 s for portage-ng