107 lines
2 KiB
Text
107 lines
2 KiB
Text
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#!/bin/sh
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#
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# $NetBSD: ufsdiskimage,v 1.1.1.1 2004/03/11 13:03:59 grant Exp $
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_getdevice_and_halfway_mount()
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{
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hdid -nomount "$1" | _getdevicebasename | tail -1
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}
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_getdevicebasename()
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{
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awk '{print $1}' | sed -e 's|^/dev/||'
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}
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_normalize_filename()
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{
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echo "$1" | sed -e 's|\.dmg$||' -e 's|$|.dmg|'
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}
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dmg_create()
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{
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local file mountedname megabytes device
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[ $# -eq 2 ] || die 1 "Usage: $0 create <file> <megabytes>"
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file="`_normalize_filename \"$1\"`"
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mountedname="`basename \"${file}\" .dmg`"
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megabytes=$2
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# create
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hdiutil create -quiet "${file}" -megabytes ${megabytes} \
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-partitionType Apple_UFS -layout SPUD
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# format
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device=`_getdevice_and_halfway_mount "${file}"`
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newfs ${device}
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hdiutil eject -quiet "${device}"
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# rename
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hdiutil mount "${file}"
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disktool -n "${device}" "${mountedname}"
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hdiutil eject -quiet "${device}"
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# mountpoint="`hdiutil mount -verbose '${file}' | grep -A 1 '<key>mount-point</key>' | grep -v '<key>mount-point</key>' | sed -e 's|<string>||' -e 's|</string>||' | awk '{print $1}'`"
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# mount | grep '^/dev/disk1' | awk '{print $3}' | sed -e 's|^/Volumes/||'
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}
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dmg_mount()
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{
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local file device exitcode
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[ $# -eq 1 ] || die 1 "Usage: $0 mount <file>"
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file="`_normalize_filename \"$1\"`"
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hdiutil mount ${file}
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}
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dmg_umount()
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{
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local mountpoint device
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[ $# -eq 1 ] || die 1 "Usage: $0 umount <mount-point>"
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mountpoint="$1"
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device=`mount | grep "${mountpoint} (local" | _getdevicebasename`
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[ "${device}" ] || die 1 "error: no device mounted at ${mountpoint}"
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hdiutil eject -quiet "${device}"
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}
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die()
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{
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local exitcode
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exitcode=$1; shift
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warn "$@"
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exit ${exitcode}
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}
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warn()
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{
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echo >&2 "$@"
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}
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try()
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{
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exitcode=$1; shift
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action=$1; shift
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error=`"${action}" "$@" 2>&1` || die ${exitcode} "${error}"
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}
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main()
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{
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[ $# -eq 0 ] && die 1 "Usage: $0 <create|mount|umount>"
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ACTION="$1"; shift
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case ${ACTION} in
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create|mount|umount)
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try 1 "dmg_${ACTION}" "$@"
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return 0
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;;
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*)
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die 1 "Usage: $0 <create|mount|umount>"
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;;
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esac
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}
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main "$@"
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exit $?
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