Linux ip-172-26-7-228 5.4.0-1103-aws #111~18.04.1-Ubuntu SMP Tue May 23 20:04:10 UTC 2023 x86_64
Your IP : 18.117.11.13
#!/bin/sh
PREREQ=""
prereqs()
{
echo "$PREREQ"
}
case $1 in
# get pre-requisites
prereqs)
prereqs
exit 0
;;
esac
. /usr/share/initramfs-tools/scripts/functions
# First check if a location is set and is a valid swap partition.
# If so, the config file will be copied in and there is nothing to do.
if [ -n "$RESUME" ] && [ "$RESUME" != auto ]; then
if [ "$RESUME" = none ]; then
exit 0
fi
if resume_dev_node="$(resolve_device "$RESUME")" && \
blkid -p -n swap "$resume_dev_node" >/dev/null 2>&1; then
exit 0
fi
echo >&2 "W: initramfs-tools configuration sets RESUME=$RESUME"
echo >&2 "W: but no matching swap device is available."
fi
# If we were not explicitly requested to select a device, report that we
# are doing so
report_auto()
{
test "$RESUME" = auto || echo >&2 "I: $*"
}
# We need to be able to read the listed swap partitions
if ischroot || [ ! -r /proc/swaps ]; then
resume_auto=
else
# Try to autodetect the RESUME partition, using biggest swap?
resume_auto=$(grep ^/dev/ /proc/swaps | sort -rnk3 | head -n 1 | cut -d " " -f 1)
if [ -n "$resume_auto" ]; then
dm_name="$(dmsetup info -c --noheadings -o name "$resume_auto" 2>/dev/null)"
fi
if [ -n "$dm_name" ] && [ -e /etc/crypttab ]; then
while read cryptdev srcdev keyfile junk; do
if [ "$cryptdev" = "$dm_name" ] && [ "$keyfile" = /dev/urandom ]; then
resume_auto=
fi
done < /etc/crypttab
fi
if [ -n "$resume_auto" ]; then
if [ -n "$dm_name" ]; then
resume_auto_canon="/dev/mapper/$dm_name"
elif UUID=$(blkid -s UUID -o value "$resume_auto"); then
resume_auto_canon="UUID=$UUID"
else
resume_auto_canon=
fi
report_auto "The initramfs will attempt to resume from $resume_auto"
if [ -n "$resume_auto_canon" ]; then
report_auto "($resume_auto_canon)"
resume_auto="$resume_auto_canon"
fi
report_auto "Set the RESUME variable to override this."
fi
fi
# Write selected resume device to intramfs conf.d
if [ "$RESUME" = auto ] || [ -n "$resume_auto" ]; then
# If we were explicitly requested to select a device, and we failed,
# report that
if [ -z "$resume_auto" ]; then
echo >&2 "W: initramfs-tools failed to select a resume device"
fi
echo "RESUME=${resume_auto}" > ${DESTDIR}/conf/conf.d/zz-resume-auto
fi
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