depgraph: make --exclude handle contradictions
authorZac Medico <zmedico@gentoo.org>
Mon, 25 Jul 2011 20:54:46 +0000 (13:54 -0700)
committerZac Medico <zmedico@gentoo.org>
Mon, 25 Jul 2011 20:54:46 +0000 (13:54 -0700)
commit3b5dede734e19aeedca11327e1e2b8443ec55f81
tree2795bf94bb39014c2b8e41ffd332f19238cb575c
parent57ab2c80af9e4990411f51f8682d340926eea969
depgraph: make --exclude handle contradictions

This makes contradictory things like `emerge -e @system --exclude gcc`
work as expected.
pym/_emerge/depgraph.py