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#!/bin/sh
set -e
chrooted() {
# borrowed from udev's postinst
if [ "$(stat -c %d/%i /)" = "$(stat -Lc %d/%i /proc/1/root 2>/dev/null)" ]; then
# the devicenumber/inode pair of / is the same as that of
# /sbin/init's root, so we're *not* in a chroot and hence
# return false.
return 1
fi
return 0
}
case "$1" in
install)
mkdir -p /etc/initramfs-tools/conf.d
# First time install. Can we autodetect the RESUME partition?
if [ -r /proc/swaps ]; then
RESUME=$(tail -n $(($(wc -l /proc/swaps | awk ' { print $1 } ') - 1)) /proc/swaps | sort -rk3 | head -n 1 | awk ' { print $1 } ')
if command -v vol_id >/dev/null 2>&1; then
UUID=$(vol_id -u "$RESUME" || true)
elif [ -x /lib/udev/vol_id ]; then
UUID=$(/lib/udev/vol_id -u "$RESUME" || true)
fi
if [ -n "$UUID" ]; then
RESUME="UUID=$UUID"
fi
fi
# write conf.d/resume if not in a chroot
if [ -n "${RESUME}" ] && ! chrooted; then
echo "RESUME=${RESUME}" > /etc/initramfs-tools/conf.d/resume
fi
;;
esac
#DEBHELPER#
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