quarks/scripts/update_box.sh

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#!/bin/sh
#set -x
# Look at CPU and return all actually available USE flags
get_cpu_use() {
AVAILABLE_USE="mmx mmxext sse sse2 sse3 ssse3 sse4 sse4_1 avx 3dnow 3dnowext"
CPU_FLAGS=$(cat /proc/cpuinfo | grep flags | cut -d\ -f2- | uniq)
_USE=""
for f in ${AVAILABLE_USE}; do
if [ "$CPU_FLAGS" != "${CPU_FLAGS/$f/}" ]; then
_USE="$_USE $f"
fi
done
echo $_USE
}
CPU_USE=$(get_cpu_use)
export USE="$CPU_USE"
CPUS=$(nproc)
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# as many cc as CPUs
export MAKEOPTS="-j${CPUS}"
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# Trigger mount
# ls /mnt/portage/distfiles /mnt/portage/portage > /dev/null
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# Half as many emerge as CPUs, to speed up configure runs
emerge --ask --update --deep --newuse --keep-going --accept-properties=-interactive --jobs $((CPUS/2)) world
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# echo "Fixing pax flags..."
# ${SCRIPT_DIR}/fix_grsec.sh
echo "Going to remove unneeded packages ..."
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emerge --depclean
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echo "Fixing dependencies..."
revdep-rebuild -i
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echo "Updating eix cache..."
eix-update -q