#!/usr/bin/env bash

export local portagedir="/usr/portage"
export local confdir="/etc/portage"
export local gitdir="/opt/kogaion-build/conf/intel/portage"

fetch_usermode_portage_tree() {
	if [[ ! -d "$portagedir"/.git ]] ; then
		cd "$portagedir" && git init > /dev/null 2>&1
		git remote add origin git://anongit.gentoo.org/repo/gentoo.git
		git config core.sparsecheckout true
		echo "profiles/*" >> .git/info/sparse-checkout
		echo "metadata/*" >> .git/info/sparse-checkout
		echo "eclass/*" >> .git/info/sparse-checkout
		echo ".gitignore" >> .git/info/sparse-checkout
		git pull --depth=1 origin master
		git branch -u origin/master master
		rm -rf ""$portagedir"/profiles/updates"
	fi
}

set_usermode_portage_tree() {
	ln -sf "$gitdir" "$confdir"
	ln -sf "$confdir"/make.conf.amd64-user "$confdir"/make.conf
	eselect profile set 1
	env-update
	. /etc/profile
}

main() {
	fetch_usermode_portage_tree
	set_usermode_portage_tree
}

main