59 lines
1.4 KiB
Bash
Executable File
59 lines
1.4 KiB
Bash
Executable File
#!/bin/sh
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# lh_losetup - wrapper around losetup
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# Copyright (C) 2006-2007 Daniel Baumann <daniel@debian.org>
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#
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# live-helper comes with ABSOLUTELY NO WARRANTY; for details see COPYING.
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# This is free software, and you are welcome to redistribute it
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# under certain conditions; see COPYING for details.
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set -e
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# Including common functions
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LH_BASE="${LH_BASE:-/usr/share/live-helper}"
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for FUNCTION in "${LH_BASE}"/functions/*.sh
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do
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. "${FUNCTION}"
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done
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# Setting static variables
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DESCRIPTION="wrapper around losetup"
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HELP=""
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USAGE="${PROGRAM} DEVICE FILE [PARTITION]"
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Arguments "${@}"
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# Reading configuration files
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Read_conffile config/common
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Read_conffile config/bootstrap
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Read_conffile config/chroot
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Read_conffile config/binary
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Read_conffile config/source
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Read_conffile "${LH_CONFIG}"
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Set_defaults
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DEVICE="${1}"
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FILE="${2}"
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PARTITION="${3:=1}"
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${LH_ROOT_COMMAND} ${LH_LOSETUP} "${DEVICE}" "${FILE}"
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FDISK_OUT="`fdisk -l -u ${DEVICE} 2>&1`"
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${LH_ROOT_COMMAND} ${LH_LOSETUP} -d "${DEVICE}"
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LOOPDEVICE="`echo ${DEVICE}p${PARTITION}`"
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if [ "${PARTITION}" = "0" ]
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then
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Echo_message "Mounting ${DEVICE} with offset 0"
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${LH_ROOT_COMMAND} ${LH_LOSETUP} "${DEVICE}" "${FILE}"
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else
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CYLINDERS="`echo "$FDISK_OUT" | sed -ne "s_^$LOOPDEVICE[ *]*\([0-9]*\).*_\1_p"`"
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OFFSET="`expr ${CYLINDERS} '*' 512`"
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Echo_message "Mounting ${DEVICE} with offset ${OFFSET}"
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${LH_ROOT_COMMAND} ${LH_LOSETUP} -o "${OFFSET}" "${DEVICE}" "${FILE}"
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fi
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