forked from ungleich-public/cdist
71 lines
1.5 KiB
Bash
71 lines
1.5 KiB
Bash
#!/bin/sh
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die() {
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echo "[__install_partition_msdos_apply] $*" >&2
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exit 1
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}
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debug() {
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#echo "[__install_partition_msdos_apply] $*" >&2
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:
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}
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fdisk_command() {
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device="$1"
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cmd="$2"
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debug fdisk_command "running fdisk command '${cmd}' on device ${device}"
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printf '%s\nw\n' "${cmd}" | fdisk -c -u "$device"
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ret=$?
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# give disk some time
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sleep 1
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return $ret
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}
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create_disklabel() {
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device=$1
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debug create_disklabel "creating new msdos disklabel"
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fdisk_command "${device}" "o"
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return $?
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}
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toggle_bootable() {
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device="$1"
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minor="$2"
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fdisk_command "${device}" "a\\n${minor}\\n"
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return $?
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}
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create_partition() {
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device="$1"
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minor="$2"
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size="$3"
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type="$4"
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primary_count="$5"
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if [ "$type" = "extended" ] || [ "$type" = "5" ]; then
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# Extended partition
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primary_extended='e\n'
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first_minor="${minor}\\n"
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[ "${minor}" = "4" ] && first_minor=""
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type_minor="${minor}\\n"
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[ "${minor}" = "1" ] && type_minor=""
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type="5"
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elif [ "${minor}" -lt "5" ]; then
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primary_extended='p\n'
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first_minor="${minor}\\n"
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[ "${minor}" = "4" ] && first_minor=""
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type_minor="${minor}\\n"
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[ "${minor}" = "1" ] && type_minor=""
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else
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# Logical partitions
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first_minor="${minor}\\n"
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type_minor="${minor}\\n"
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primary_extended='l\n'
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[ "$primary_count" -gt "3" ] && primary_extended=""
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fi
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[ -n "${size}" ] && size="+${size}M"
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fdisk_command "${device}" "n\\n${primary_extended}${first_minor}\\n${size}\\nt\\n${type_minor}${type}\\n"
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return $?
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}
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