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os-k/build/create_disk.sh

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#=----------------------------------------------------------------------------=#
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# OS on Kaleid #
# #
# Desc: OS/K image maker script #
# #
# #
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# Copyright © 2018-2021 The OS/K Team #
# #
# This file is part of OS/K. #
# #
# OS/K is free software: you can redistribute it and/or modify #
# it under the terms of the GNU General Public License as published by #
# the Free Software Foundation, either version 3 of the License, or #
# any later version. #
# #
# OS/K is distributed in the hope that it will be useful, #
# but WITHOUT ANY WARRANTY# without even the implied warranty of #
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the #
# GNU General Public License for more details. #
# #
# You should have received a copy of the GNU General Public License #
# along with OS/K. If not, see <https://www.gnu.org/licenses/>. #
#=----------------------------------------------------------------------------=#
#Color codes
CL='\033[0;32m'
CL2='\033[1;36m'
CL3='\033[0m'
NC='\033[1;37m'
set -e #exit if error
## Create the image
echo ${CL2}[create_disk.sh]${NC} Creating image... \(dd\)${CL3}
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dd if=/dev/zero of=$1 bs=512 count=131072 status=progress
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## Partition the image
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echo ${CL2}[create_disk.sh]${NC} Partitionning image... \(parted\)${CL3}
sudo parted --script $1 mktable msdos mkpart primary 2048s 100% set 1 boot on
## Mount
echo ${CL2}[create_disk.sh]${NC} Mount image... \(losetup\)${CL3}
lpblock=$(sudo losetup -f)
sudo losetup $lpblock $1 -o 1048576
echo ${CL2}[create_disk.sh]${NC} Sync image... \(sync\)${CL3}
sync
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if [ -z $lpblock ];
then
echo No loop device partition to target. Fatal error !
return 13
fi
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## Format
echo ${CL2}[create_disk.sh]${NC} Formatting image... \(mkdosfs\)${CL3}
sudo mkdosfs -F32 -f 2 $lpblock
echo ${CL2}[create_disk.sh]${NC} Sync image... \(sync\)${CL3}
sync
## Detach
echo ${CL2}[create_disk.sh]${NC} Unmount image... \(udisksctl\)${CL3}
sudo losetup -d $lpblock
## Mount
echo ${CL2}[create_disk.sh]${NC} Mount image... \(losetup\)${CL3}
lpblock=$(sudo losetup -f)
sudo losetup $lpblock $1 -o 1048576
lpblockbase=$(sudo losetup -f)
sudo losetup $lpblockbase $1
if [ -z $lpblockbase ];
then
echo No loop device to target. Fatal error !
return 13
fi
if [ -z $lpblock ];
then
echo Impossible to find an available loop device. Fatal error !
return 13
fi
sudo udisksctl mount -b $lpblock --no-user-interaction
## Sync
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echo ${CL2}[create_disk.sh]${NC} Sync image... \(sync\)${CL3}
sync
# Get the mountpoint
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mountpoint=$(udisksctl info -b $lpblock | grep MountPoint | cut -d ':' -f 2 | sed 's/ //g')
if [ -z $mountpoint ];
then
echo Impossible to mount the image $mountpoint. Fatal error !
return 13
fi
## Install Grub
echo ${CL2}[create_disk.sh]${NC} Install grub into $lpblockbase as $mountpoint... \(grub-install\)${CL3}
sudo grub-install --force --target=i386-pc --root-directory=$mountpoint --boot-directory=$mountpoint/boot --no-floppy --modules="part_msdos biosdisk fat multiboot configfile" $lpblockbase
## Sync
echo ${CL2}[create_disk.sh]${NC} Sync image... \(sync\)${CL3}
sync
## Unmount
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echo ${CL2}[create_disk.sh]${NC} Unmount image... \(udisksctl\)${CL3}
sudo udisksctl unmount --no-user-interaction -b $lpblock
sudo losetup -d $lpblock
sudo losetup -d $lpblockbase
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echo ${CL2}[create_disk.sh]${CL} Terminated without error.${CL3}