fi
}
+check_power(){
+ # laptop check, on_ac_power returns:
+ # 0 (true) System is on main power
+ # 1 (false) System is not on main power
+ # 255 (false) Power status could not be determined
+ # Desktop systems always return 255 it seems
+ if which on_ac_power >/dev/null; then
+ on_ac_power
+ POWER=$?
+ if [ $POWER -eq 1 ]; then
+ debug_echo "exit: system NOT on main power"
+ return 1
+ elif [ $POWER -ne 0 ]; then
+ debug_echo "power status ($POWER) undetermined, continuing"
+ fi
+ debug_echo "system is on main power."
+ fi
+ return 0
+}
+
# ------------------------ main ----------------------------
# Backup the 7 last versions of APT's extended_states file
set -x
fi
-# laptop check, on_ac_power returns:
-# 0 (true) System is on main power
-# 1 (false) System is not on main power
-# 255 (false) Power status could not be determined
-# Desktop systems always return 255 it seems
-if which on_ac_power >/dev/null; then
- on_ac_power
- POWER=$?
- if [ $POWER -eq 1 ]; then
- debug_echo "exit: system NOT on main power"
- exit 0
- elif [ $POWER -ne 0 ]; then
- debug_echo "power status ($POWER) undetermined, continuing"
- fi
- debug_echo "system is on main power."
-fi
+check_power || exit 0
# check if we can lock the cache and if the cache is clean
if which apt-get >/dev/null && ! eval apt-get check -f $XAPTOPT $XSTDERR ; then
# sleep random amount of time to avoid hitting the
# mirrors at the same time
random_sleep
+check_power || exit 0
# include default system language so that "apt-get update" will
# fetch the right translated package descriptions