#!/bin/bash
+# Copyright 2019 Maximilian Friedersdorff
+#
+# This file is part of 'disk_creator.sh'
+#
+# 'disk_creator.sh' 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
+# (at your option) any later version.
+#
+# disk_creator.sh 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 disk_creator.sh. If not, see <https://www.gnu.org/licenses/>.
+
+usage() {
+ echo "Usage:"
+ echo "disk_creator.sh OS_IMAGE USB_DRIVE"
+ echo
+ echo "Example:"
+ echo "disk_creator.sh ~/Downloads/xubuntu-18.04.2-desktop-amd64.iso /dev/sdd"
+ echo
+ echo "Create a live usb drive on the device '/dev/sdd' with the os found in"
+ echo "~/Downloads/xubuntu-18.04.2-desktop-amd64.iso"
+}
+
+if [ $# -ne 2 ]; then
+ echo "ERROR: expected exactly 2 arguments"
+ usage
+ exit 1
+fi
+
+if [ ! -b $2 ]; then
+ echo "ERROR: $2 is not a block device"
+ usage
+ exit 1
+fi
+
+if [ ! -f $1 ]; then
+ echo "ERROR: $1 is not a regular file"
+ usage
+ exit 1
+fi
# The name of the USB drive you want to create
-usb_drive="/dev/sdd"
+usb_drive="$2"
# The location of the linux distribution you want to use
-os_image="/mnt/os_images/xubuntu-18.04.2-desktop-amd64.iso"
+os_image="$1"
# Removing leading directory/folder name
image_name="${os_image##*/}"
# Calculate the start of the 'usbdata' partition
let usbdata_part_start="${live_part_size} + 2048 + 3*1024*1024*1024/${block_size}"
-# Find out the location of the linux kernel and the initramfs (initial ramdisk
-# file system) in the os image file. We need these locations later when
-# configuring grub
-modprobe loop
-loop_dev="$(losetup --show -f ${os_image})"
-l_mount="$(mktemp -d)"
-mount -o ro "${loop_dev}" "${l_mount}"
-kernel="$(find ${l_mount} -iname *vmlinuz* -printf '%P\n')"
-initramfs="$(find ${l_mount} -iname *initr* -printf '%P\n')"
-umount "${l_mount}"
-rmdir "${l_mount}"
-losetup -d "${loop_dev}"
-
-if [ $(echo "${kernel}" | wc -l) -gt 1 ]; then
- echo "Too many possible linux kernels found:"
- echo $kernel
-fi
-
-if [ $(echo "${initramfs}" | wc -l) -gt 1 ]; then
- echo "Too many possible initramfs found:"
- echo $initramfs
-fi
-
-# Partition the usb drive. The partition listed first can be read by linux
-# and windows operating systems. It is located at the 'end' of the drive
-# The partition listed second contains the operating system and boot loader,
-# it is located at the 'beginning' of the drive. The partition listed last fills
-# the space between the other two, and is used to record changes made to the
-# operating system
-sfdisk "${usb_drive}" << EOF
-
-label: gpt
-
-start=$usbdata_part_start, type=11
-start=2048, size=$live_part_size, type=1
-type=20
-EOF
-
-# Format each partition with the relevant filesystem.
-mkfs.ntfs --fast -L usbdata "${usb_drive}1"
-mkfs.fat -F 32 "${usb_drive}2"
-mkfs.ext4 -q -F -L casper-rw "${usb_drive}3"
-
-# Create a temporary directory
-m_point=$(mktemp -d)
-
-# Mount the drive to the temporary directory, create some folders/directories,
-# copy the os image, and install the boot loader.
-mount "${usb_drive}2" "${m_point}"
-mkdir "${m_point}"/{boot,iso_boot}
-cp "${os_image}" "${m_point}/iso_boot" && sync
-grub-install "${usb_drive}" \
- --target=x86_64-efi \
- --efi-directory="${m_point}" \
- --boot-directory="${m_point}/boot" \
- --removable
-
-# Install the configuration file for the bootloader
-cat <<EOF> "${m_point}/boot/grub/grub.cfg"
-set timeout=10
-set default=0
-insmod loopback
-insmod all_video
-
-menuentry "Run ${os_name} Persistent, in RAM" {
- loopback loop /iso_boot/${image_name}
- set gfxpayload=keep
- linux (loop)/${kernel} boot=casper iso-scan/filename=/iso_boot/${image_name} quiet splash persistent toram ---
- initrd (loop)/${initramfs}
-}
-
-menuentry "Run ${os_name} - Persistent" {
- loopback loop /iso_boot/${image_name}
- set gfxpayload=keep
- linux (loop)/${kernel} boot=casper iso-scan/filename=/iso_boot/${image_name} quiet splash persistent ---
- initrd (loop)/${initramfs}
-}
-
-menuentry "Run ${os_name}" {
- loopback loop /iso_boot/${image_name}
- set gfxpayload=keep
- linux (loop)/${kernel} boot=casper iso-scan/filename=/iso_boot/${image_name} quiet splash ---
- initrd (loop)/${initramfs}
+main() {
+ # Find out the location of the linux kernel and the initramfs (initial ramdisk
+ # file system) in the os image file. We need these locations later when
+ # configuring grub
+ modprobe loop
+ loop_dev="$(losetup --show -f ${os_image})"
+ l_mount="$(mktemp -d)"
+ mount -o ro "${loop_dev}" "${l_mount}"
+ kernel="$(find ${l_mount} -iname *vmlinuz* -printf '%P\n')"
+ initramfs="$(find ${l_mount} -iname *initr* -printf '%P\n')"
+ umount "${l_mount}"
+ rmdir "${l_mount}"
+ losetup -d "${loop_dev}"
+
+ if [ $(echo "${kernel}" | wc -l) -gt 1 ]; then
+ echo "Too many possible linux kernels found:"
+ echo $kernel
+ fi
+
+ if [ $(echo "${initramfs}" | wc -l) -gt 1 ]; then
+ echo "Too many possible initramfs found:"
+ echo $initramfs
+ fi
+
+ # Partition the usb drive. The partition listed first can be read by linux
+ # and windows operating systems. It is located at the 'end' of the drive
+ # The partition listed second contains the operating system and boot loader,
+ # it is located at the 'beginning' of the drive. The partition listed last fills
+ # the space between the other two, and is used to record changes made to the
+ # operating system
+ sfdisk "${usb_drive}" <<- EOF
+
+ label: gpt
+
+ start=$usbdata_part_start, type=11
+ start=2048, size=$live_part_size, type=1
+ type=20
+ EOF
+
+ # waiting to ensure disk has been re recognised after partitioning
+ sleep 10
+
+ # Format each partition with the relevant filesystem.
+ mkfs.ntfs --fast -L usbdata "${usb_drive}1"
+ mkfs.fat -F 32 "${usb_drive}2"
+ mkfs.ext4 -q -F -L casper-rw "${usb_drive}3"
+
+ # Create a temporary directory
+ m_point=$(mktemp -d)
+
+ # Mount the drive to the temporary directory, create some folders/directories,
+ # copy the os image, and install the boot loader.
+ mount "${usb_drive}2" "${m_point}"
+ mkdir "${m_point}"/{boot,iso_boot}
+ cp "${os_image}" "${m_point}/iso_boot" && sync
+ grub-install "${usb_drive}" \
+ --target=x86_64-efi \
+ --efi-directory="${m_point}" \
+ --boot-directory="${m_point}/boot" \
+ --removable
+
+ # Install the configuration file for the bootloader
+ cat <<-EOF> "${m_point}/boot/grub/grub.cfg"
+ set timeout=10
+ set default=0
+ insmod loopback
+ insmod all_video
+
+ menuentry "Run ${os_name} Persistent, in RAM" {
+ loopback loop /iso_boot/${image_name}
+ set gfxpayload=keep
+ linux (loop)/${kernel} boot=casper iso-scan/filename=/iso_boot/${image_name} quiet splash persistent toram ---
+ initrd (loop)/${initramfs}
+ }
+
+ menuentry "Run ${os_name} - Persistent" {
+ loopback loop /iso_boot/${image_name}
+ set gfxpayload=keep
+ linux (loop)/${kernel} boot=casper iso-scan/filename=/iso_boot/${image_name} quiet splash persistent ---
+ initrd (loop)/${initramfs}
+ }
+
+ menuentry "Run ${os_name}" {
+ loopback loop /iso_boot/${image_name}
+ set gfxpayload=keep
+ linux (loop)/${kernel} boot=casper iso-scan/filename=/iso_boot/${image_name} quiet splash ---
+ initrd (loop)/${initramfs}
+ }
+ EOF
+
+ # Clean up
+ umount "${m_point}"
+ rmdir "${m_point}"
}
-EOF
-# Clean up
-umount "${m_point}"
-rmdir "${m_point}"
+main 2> >(sed $'s,.*,\e[31m&\e[m, '>&2)
projects / max / disk_creator.git / blobdiff