#!/bin/bash
set -ex
ncpus=$(getconf _NPROCESSORS_ONLN)
cd ${1:-~/chromiumos}
chr=${PWD}/chroot
chome=${chr}/home/vapier
sed \
	-e '/^set speller/s:^:#:' \
	-e '/^unbind/s:^:#:' \
	~/.nanorc > ${chome}/.nanorc
cp ~/.inputrc ${chome}/
cp ~/.gdbinit ${chome}/
(
cat ~/.profile.d/aliases.sh
grep ^export ~/.bashrc
echo "export USE='-cros-debug'"
) > ${chome}/.bashrc
sudo mkdir -p ${chr}/etc/profile.d ${chr}/etc/portage/package.{mask,unmask,use,keywords}
(
cat ~/.profile.d/PS1.sh
sed -e '1{/PS1=/d}' ${chr}/etc/profile.d/chromiumos-niceties.sh 2>/dev/null || \
	echo 'PS1="(cr) ${PS1}"'
) > ${chome}/.ps1.sh
sudo sh -c 'echo export LANG=en_US.UTF8 > '"${chr}/etc/profile.d/LANG.sh"
sudo sh -c 'echo PATH+=:/sbin:/usr/sbin:/usr/local/sbin > '"${chr}/etc/profile.d/sbin.sh"
sudo sh -c "cat > '${chr}/etc/make.conf.user'" <<-\EOF
	FEATURES="${FEATURES} noauto"
	EMERGE_DEFAULT_OPTS="${EMERGE_DEFAULT_OPTS} --color y"
	ACCEPT_LICENSE="${ACCEPT_LICENSE} Google-TOS"
EOF
sudo sh -c 'echo -g > '"${chr}/etc/ps1_append"
sudo mv ${chome}/.ps1.sh ${chr}/etc/profile.d/chromiumos-niceties.sh
for f in .nanorc .gdbinit .gitconfig ; do
	sudo ln -f ${chome}/$f ${chr}/root/
done

sudo sh -c "echo app-portage/esearch > ${chr}/etc/portage/package.keywords/vapier"
pkgs=()
[[ -x ${chr}/bin/nano ]] || pkgs+=( nano )
[[ -x ${chr}/usr/bin/pcalc ]] || pkgs+=( sci-calculators/pcalc )
[[ -x ${chr}/usr/bin/tree ]] || pkgs+=( app-text/tree )
[[ -L ${chr}/usr/bin/esearch ]] || pkgs+=( esearch )
[[ -x ${chr}/usr/bin/strace ]] || pkgs+=( strace )
[[ -x ${chr}/usr/bin/time ]] || pkgs+=( sys-process/time )
[[ -x ${chr}/usr/bin/gdb ]] || pkgs+=( sys-devel/gdb )
[[ -x ${chr}/usr/bin/diffstat ]] || pkgs+=( diffstat )
[[ ${#pkgs[@]} -eq 0 ]] || cros_sdk -- sudo emerge -1q --jobs ${ncpus} ${pkgs[@]}
cros_sdk -- sudo eupdatedb -q &

sudo sed -i -e '/^# inc/s:^# *::' ${chr}/etc/nanorc