portage-ng / portage / dev-java / ant-ivy / 2.5.3
pmerge --pretend --verbose
!!! resolution failed
!!! request ( ( ('repo.livefs',) EqualityMatch: =False || ( ('category',) == virtual && ('package_is_real',) EqualityMatch: =False ) ) && =dev-java/ant-ivy-2.5.3 ), mode none
!!! trying dev-java/ant-ivy-2.5.3
!!!   request dev-java/commons-vfs:2, mode depend
!!!   trying dev-java/commons-vfs-2.0-r4
!!!     request dev-java/jackrabbit-webdav:0, mode depend
!!!     trying dev-java/jackrabbit-webdav-2.10.1-r3
!!!       request dev-java/bndlib:0, mode depend
!!!       trying dev-java/bndlib-7.4.0
!!!         request ~dev-java/bnd-annotation-7.4.0:0, mode depend
!!!         trying dev-java/bnd-annotation-7.4.0
!!!           request dev-java/osgi-cmpn:8, mode depend
!!!           removing choices involving dev-java/osgi-cmpn:8
!!!         removing choices involving ~dev-java/bnd-annotation-7.4.0:0
!!!       trying dev-java/bndlib-7.2.3
!!!         request ~dev-java/bnd-annotation-7.2.3:0, mode depend
!!!         removing choices involving ~dev-java/bnd-annotation-7.2.3:0
!!!       removing choices involving dev-java/bndlib:0
!!!     removing choices involving dev-java/jackrabbit-webdav:0
!!!   removing choices involving dev-java/commons-vfs:2

Failures encountered:
!!! failed '( ( ('repo.livefs',) EqualityMatch: =False || ( ('category',) == virtual && ('package_is_real',) EqualityMatch: =False ) ) && =dev-java/ant-ivy-2.5.3 )'
potentials:
repo gentoo: [ ebuild src: dev-java/ant-ivy-2.5.3 ]

Wall time
0.576 s vs. 1.149 s for portage-ng