Soooo I did: src_unpack() { mercurial_src_unpack default } And boom! >>> Unpacking python-gentoo-patches-2.7.10-0.tar.xz to /var/cache/portage/hg-src/pypy/pypy So I'm all like errrrrrr, who forgot to restore working directory after cd?
commit 74f28291906447d61a67d182322d4a5d031a3c0d Author: Christoph Junghans <ottxor@gentoo.org> Date: Sun Dec 20 13:45:53 2015 -0700 mercurial.eclass: leave unchanged working dir Gentoo-bug: 568892