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Portage synchronization using Git.

Upgrading portage.

Until Portage >= 2.2 stabilizes you need to add appropriate keyword.

Upgrading portage

echo '<sys-apps/portage-2.3.0 **' >> /etc/portage/package.keywords
emerge -1 portage

Also add Portage SYNC variable to make.conf.

SYNC command in make.conf

echo 'SYNC="git://github.com/funtoo/portage.git"' >> /etc/make.conf

Setting up portage.

Clone Git repo with recent history of portage tree.

Setting up Git portage

rm -rf /usr/bin/portage
git clone git://github.com/funtoo/portage.git -b gentoo.org --depth=1 /usr/bin/portage
echo 'profile-formats = portage-1' >> /usr/bin/portage/metadata/layout.conf

Portage Synchronization.

Portage and metadata might be synchronized by this way. Metadata must be updated after each eix-sync run.

Sync portage

eix-sync && egencache --repo=gentoo --update --jobs=$((`grep "^processor" /proc/cpuinfo | wc -l`+1))