Public bug reported:
In the second half of the function there is
# Calculate the interval in seconds depending on the unit specified
if [ "${interval%s}" != "$interval" ] ; then
interval="${interval%s}"
elif [ "${interval%m}" != "$interval" ] ; then
interval="${interval%m}"
interval=$((interval*60))
elif [ "${interval%h}" != "$interval" ] ; then
interval="${interval%h}"
interval=$((interval*60*60))
else
interval="${interval%d}"
interval=$((interval*60*60*24))
fi
so, a variable might hold something like "1d", "100m", etc.
Yet in the first there is a condition
if [ "$interval" -eq 0 ]; then
debug_echo "check_stamp: interval=0"
# treat as no time has passed
return 1
fi
which treats the value as a number and leads to
/usr/lib/apt/apt.systemd.daily: 87: [: Illegal number: 20h
** Affects: apt (Ubuntu)
Importance: Undecided
Status: New
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https://bugs.launchpad.net/bugs/1840995
Title:
check_stamp() function of apt.systemd.daily should not assume interval
is a number
Status in apt package in Ubuntu:
New
Bug description:
In the second half of the function there is
# Calculate the interval in seconds depending on the unit specified
if [ "${interval%s}" != "$interval" ] ; then
interval="${interval%s}"
elif [ "${interval%m}" != "$interval" ] ; then
interval="${interval%m}"
interval=$((interval*60))
elif [ "${interval%h}" != "$interval" ] ; then
interval="${interval%h}"
interval=$((interval*60*60))
else
interval="${interval%d}"
interval=$((interval*60*60*24))
fi
so, a variable might hold something like "1d", "100m", etc.
Yet in the first there is a condition
if [ "$interval" -eq 0 ]; then
debug_echo "check_stamp: interval=0"
# treat as no time has passed
return 1
fi
which treats the value as a number and leads to
/usr/lib/apt/apt.systemd.daily: 87: [: Illegal number: 20h
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