diff options
Diffstat (limited to 'scripts')
| -rwxr-xr-x | scripts/boot.sh | 6 | ||||
| -rwxr-xr-x | scripts/boot/swapon.sh | 48 |
2 files changed, 54 insertions, 0 deletions
diff --git a/scripts/boot.sh b/scripts/boot.sh index 6304c97..02ac43a 100755 --- a/scripts/boot.sh +++ b/scripts/boot.sh @@ -636,6 +636,12 @@ mountroot () run_scripts /scripts/live-bottom log_end_msg + case "${LIVE_SWAPON}" in + true) + Swapon + ;; + esac + if [ "${UNIONFS}" = unionfs-fuse ] then umount "${rootmnt}/dev" diff --git a/scripts/boot/swapon.sh b/scripts/boot/swapon.sh new file mode 100755 index 0000000..158d81b --- /dev/null +++ b/scripts/boot/swapon.sh @@ -0,0 +1,48 @@ +#!/bin/sh + +#set -e + +Swapon () +{ + _DEVICES="/dev/sd* /dev/vd*" + + if [ -e /run ] + then + # wheezy + _FSTAB="/root/etc/fstab.d/swap" + else + # squeeze + _FSTAB="/root/etc/fstab" + fi + + for _DEVICE in ${_DEVICES} + do + if [ ! -b "${_DEVICE}" ] + then + continue + fi + + blkid -o udev -p ${_DEVICE%%[0-9]*} | grep -q "^ID_FS_USAGE=raid" && continue + + _MAGIC="$(/bin/dd if=${_DEVICE} bs=4086 skip=1 count=1 2>/dev/null | /bin/dd bs=10 count=1 2>/dev/null)" || continue + + case "${_MAGIC}" in + SWAPSPACE2|SWAP-SPACE) + _SWAP_DEVICES="${_SWAP_DEVICES} ${_DEVICE}" + ;; + esac + done + + # Remove all auto swap entries + if grep -qs "swap swap" "${_FSTAB}" + then + grep -v "swap swap" "${_FSTAB}" > "${_FSTAB}".tmp + mv "${_FSTAB}".tmp "${_FSTAB}" + fi + + # Add new swap entries + for _DEVICE in _SWAP_DEVICES + do + echo "${_DEVICE} swap swap defaults 0 0" >> "${_FSTAB}" + done +} |