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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 "$1" in
- install)
- mkdir -p /etc/initramfs-tools/conf.d
-
- # First time install. Can we autodetect the RESUME partition?
- if [ -r /proc/swaps ]; then
- RESUME=$(grep ^/dev/ /proc/swaps | sort -rk3 \
- | head -n 1 | cut -d " " -f 1)
- if command -v blkid >/dev/null 2>&1; then
- UUID=$(blkid -s UUID -o value "$RESUME" || true)
- # FIXME: post-Wheezy remove vol_id invocations
- elif 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
-
-
-