portage-ng / portage / mail-mta / ssmtp / 2.64_p12
pmerge --pretend --verbose
!!! resolution failed
!!! request ( ( ('repo.livefs',) EqualityMatch: =False || ( ('category',) == virtual && ('package_is_real',) EqualityMatch: =False ) ) && =mail-mta/ssmtp-2.64_p12 ), mode none
!!! trying mail-mta/ssmtp-2.64_p12
!!!   request ( not (!mail-mta/nullmailer) && mail-mta/nullmailer ), mode none
!!!   failed due to rdepend blocker: !mail-mta/nullmailer conflicts w/ [<MutatedPkg pkg=<pkgcore.vdb.ondisk._WrappedInstalledPkg object at 0x10fc68e90> overrides=('bdepend', 'depend', 'rdepend', 'pdepend', 'idepend') @0x10fc5cff0>]
!!!   removing choices involving !mail-mta/nullmailer

Failures encountered:
!!! failed '( ( ('repo.livefs',) EqualityMatch: =False || ( ('category',) == virtual && ('package_is_real',) EqualityMatch: =False ) ) && =mail-mta/ssmtp-2.64_p12 )'
potentials:
repo gentoo: [ ebuild src: mail-mta/ssmtp-2.64_p12 ]

Wall time
0.427 s vs. 0.020 s for portage-ng