102 lines
3.2 KiB
Bash
102 lines
3.2 KiB
Bash
# ------------------------------------------------------------------------------
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# Disks and partitions manipulation function
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# This file is part of the init.sh project
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# Copyright (c) 2019-2021 Geoffray Levasseur <fatalerrors@geoffray-levasseur.org>
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# ------------------------------------------------------------------------------
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# This file is distributed under 3-clause BSD license.
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# The complete license agreement can be obtained at:
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# https://opensource.org/licenses/BSD-3-Clause
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# ------------------------------------------------------------------------------
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# ------------------------------------------------------------------------------
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# Blank the given disks
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blank_disk()
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{
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if [[ $(test -b /dev/$1) ]]; then
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prnt I "Wipping $1 drive signature (a backup is made in /root)..."
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wipefs --force --all --backup /dev/$1
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prnt I "Filling beginning of $1 drive with zeroes..."
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dd if="/dev/zero" of="$1" bs="512" count="1024"
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# Update kernel partition scheme
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partprobe
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else
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prnt E "The /dev/$1 file is not a bloc device!"
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die 19
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fi
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}
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# ------------------------------------------------------------------------------
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# Check if $1 is a block device and if it's blank
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is_blank()
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{
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# That technique is fast but might not be relayable enough if we are on
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# exotic data structure or filesystem...
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local devstat=$(file /dev/$1 | sed "s@/dev/$1: @@")
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if [[ $devstat == 'data' ]]; then
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return 0
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else
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return 1
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fi
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}
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# ------------------------------------------------------------------------------
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# Creating empty partitions
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# mkparts <disk> [dos|gpt] [list_of_partition_size]
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# Partition size like 10G for 10 GiB, 600M for 600 MiB and so on... Without unit
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# it will use a number of cylinder. 0 will stand for all remaining size.
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# If no partition size is provided we create a single whole disk partition.
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mkparts()
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{
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local device=$1 && shit
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if [[ $1 == "gtp" || $1 == "dos" ]]; then
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local parttype=$1 && shift
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else
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# Default is GPT
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local parttype="gpt"
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fi
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if [[ $(is_blank $device) ]]; then
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prnt I "Creating a new ${parttype^^} partition table on $device..."
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sfdisk -label /dev/$device $parttype
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prnt I "Creating a new partition scheme on /dev/$1..."
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local tmpfile=$(mktemp sfd.XXXX)
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if [[ -n $1 ]]; then
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# For each given size we make a partition
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for $part in $@; then
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if [[ $part == 0 ]]; then
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echo ",,L" >> $tmpfile
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else
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echo ",$part,L" >> $tmpfile
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fi
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done
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else
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echo ",,L" >> $tmpfile
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done
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echo "write" >> $tmpfile
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sfdisk "/dev/$device" < $tmpfile
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rm $tmpfile
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unset tmpfile
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else
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prnt E "The $1 block device is not blank, for security we won't proceed!"
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die 20
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fi
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unset device parttype
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}
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# ------------------------------------------------------------------------------
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conf_ext4()
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{
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# Todo
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}
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# ------------------------------------------------------------------------------
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conf_xfs()
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{
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# todo
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}
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# EOF
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