Looks like portage-2.0.46-r4.tar.bz2 contains (Emacs generated ?) backup files. $ diff -ru portage-2.0.46-r2 portage-2.0.46-r4 > portage.diff $ grep ^Only portage.diff Only in portage-2.0.46-r4/bin: emergehelp.py Only in portage-2.0.46-r4/bin: prepallman~ Only in portage-2.0.46-r4/cnf: make.conf.ppc~ Only in portage-2.0.46-r4/cnf: make.conf~ Only in portage-2.0.46-r4/src/sandbox-1.1: sandbox.c~ $ find . -name '*~' ./portage-2.0.46-r4/bin/prepallman~ ./portage-2.0.46-r4/cnf/make.conf~ ./portage-2.0.46-r4/cnf/make.conf.ppc~ ./portage-2.0.46-r4/src/sandbox-1.1/sandbox.c~ Not a big problem though.
eh.