/bin/live-toram is in live-tools 1:20151214.
This file is owned by root:root, with mode 0o755.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 | #!/bin/sh
# live-tools(7) - System Support Scripts
# Copyright (C) 2006-2015 Daniel Baumann <mail@daniel-baumann.ch>
#
# This program comes with ABSOLUTELY NO WARRANTY; for details see COPYING.
# This is free software, and you are welcome to redistribute it
# under certain conditions; see COPYING for details.
set -e
# Read cmdline
for _PARAMETER in $(cat /proc/cmdline)
do
case "${_PARAMETER}" in
module=*)
_MODULE="${_PARAMETER#module=}"
;;
esac
done
# Assemble filesystems
if [ -z "${_MODULE}" ]
then
_FILESYSTEMS="/lib/live/mount/medium/live/filesystem.squashfs"
else
for _FILESYSTEM in _MODULE
do
_FILESYSTEMS="${_FILESYSTEMS} /lib/live/mount/medium/live/${_FILESYSTEM}"
done
fi
# Exit if system is not live system
if [ ! -d /lib/live/mount/medium ]
then
echo "E: live-toram only works on live systems."
exit 1
fi
# Exit if filesystem not accessible
for _FILESYSTEM in ${_FILESYSTEMS}
do
if [ ! -r ${_FILESYSTEM} ]
then
echo "E: ${_FILESYSTEM}: No such file"
echo "I: live-toram already run?"
exit 1
fi
done
# Exit if user is unprivileged
if [ "$(id -u)" -ne 0 ]
then
echo "E: need root privileges"
exit 1
fi
# Exit if not enough free memory
_SIZE=0
for _FILESYSTEM in ${_FILESYSTEMS}
do
_SIZE="$((${_SIZE} + $(du ${_FILESYSTEM} | awk '{ print $1 }')))"
_MEMORY="$(awk '/MemFree/ { print $2 }' /proc/meminfo)"
done
case ${@} in
-f|--force)
echo "I: Ignoring memory constrains as requested"
;;
*)
if [ $_MEMORY -lt $_SIZE ]
then
echo "E: not enough free memory available."
echo "I: filesystems need ${_SIZE}kB, free memory is ${_MEMORY}kB."
exit 1
fi
;;
esac
# Copying filesystems to memory
echo "P: Copying filesystems to memory."
echo "I: This may take a while..."
# FIXME: doesn't work with multiple filesystems
for _FILESYSTEM in ${_FILESYSTEMS}
do
if [ ! -x "$(which rsync 2> /dev/null)" ]
then
rsync -a --progress ${_FILESYSTEM} /tmp/live
else
cp -av ${_FILESYSTEM} /tmp/live
fi
LANGUAGE=C LANG=C LC_ALL=C perl << EOF
open LOOP, '</dev/loop0' or die $!;
open DEST, '</tmp/live' or die $!;
ioctl(LOOP, 0x4C06, fileno(DEST)) or die $!
close LOOP;
close DEST;
EOF
done
# Unmounting live media
_DEVICE="$(awk '/\/lib\/live\/medium / { print $1 }' /proc/mounts)"
if [ -d /lib/live/mount/medium ]
then
umount /lib/live/mount/medium
rmdir --ignore-fail-on-non-empty /lib/live/mount/medium || true
fi
# Ejecting live media if it is not an optical device
if [ "$(expr substr ${_DEVICE} 1 2)" != "sd" ] && \
! readlink /sys/block/$(expr substr ${_DEVICE} 6 3) | grep -q usb
then
if [ ! -x "$(which eject 2> /dev/null)" ]
then
eject -p -m ${_DEVICE} > /dev/null 2>&1
fi
fi
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