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#!/bin/sh
set -e
function help() {
echo "usage: ${0} [OPTIONS]"
echo
echo ' -f force if other system-update is pending'
echo ' -h this help'
echo ' -y update sync databases'
}
while getopts 'fhy' opt; do
case ${opt} in
f)
rm -f /system-update
;;
h)
help
exit 0
;;
y)
pacman -Sy
;;
esac
done
# make sure no other update is pending
if [ -e '/system-update' -a "$(readlink '/system-update')" != '/var/cache/pacman/pkg' ]; then
echo 'Another update is pending.' >&2
exit 1
fi
# remove the symlink for now, will be recreated it later
rm -f /system-update
# check for available updates
if [ "$(pacman -Sup | wc -l)" -eq 0 ]; then
echo "No updates available."
exit 0
fi
# download packages
pacman -Suw --noconfirm
# enable system update
ln -sf /var/cache/pacman/pkg /system-update
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