forked from OSchip/llvm-project
98 lines
2.5 KiB
Bash
98 lines
2.5 KiB
Bash
|
#!/bin/bash
|
||
|
|
|
||
|
|
set -e
|
||
|
|
|
||
|
|
print_usage() {
|
||
|
|
echo "Usage: $(basename $0) [options]"
|
||
|
|
echo -e "Creates a Ubuntu root file system image.\n"
|
||
|
|
echo -e " --help\t\t\tDisplay this information."
|
||
|
|
echo -e " --arch {armhf|arm64}\t\tSelects architecture of rootfs image."
|
||
|
|
echo -e " --distro {bionic|focal}\tSelects Ubuntu distribution of rootfs image."
|
||
|
|
echo -e " --size n{K|M|G}\t\tSets size of rootfs image to n Kilo, Mega or Giga bytes."
|
||
|
|
exit "$1"
|
||
|
|
}
|
||
|
|
|
||
|
|
invalid_arg() {
|
||
|
|
echo "ERROR: Unrecognized argument: $1" >&2
|
||
|
|
print_usage 1
|
||
|
|
}
|
||
|
|
|
||
|
|
update_repositories() {
|
||
|
|
echo -e "\nUpdating apt repositories. "
|
||
|
|
echo -e "\nPress 'y' to continue or any other key to exit..."
|
||
|
|
read -s -n 1 user_input
|
||
|
|
if [[ $user_input == 'Y' ]] || [[ $user_input == 'y' ]]; then
|
||
|
|
sudo apt update
|
||
|
|
else
|
||
|
|
exit
|
||
|
|
fi
|
||
|
|
}
|
||
|
|
|
||
|
|
# Parse options
|
||
|
|
while [[ $# -gt 0 ]]; do
|
||
|
|
case "${END_OF_OPT}${1}" in
|
||
|
|
--help) print_usage 0 ;;
|
||
|
|
--arch) rfs_arch=$2; shift;;
|
||
|
|
--distro) rfs_distro=$2; shift;;
|
||
|
|
--size) rfs_size=$2; shift;;
|
||
|
|
*) invalid_arg "$1" ;;
|
||
|
|
esac
|
||
|
|
shift
|
||
|
|
done
|
||
|
|
|
||
|
|
if [ -z "$rfs_arch" ]; then
|
||
|
|
echo "Missing architecture"
|
||
|
|
print_usage 1
|
||
|
|
fi
|
||
|
|
if [ -z "$rfs_distro" ]; then
|
||
|
|
echo "Missing distribution"
|
||
|
|
print_usage 1
|
||
|
|
fi
|
||
|
|
if [ -z "$rfs_size" ]; then
|
||
|
|
echo "Missing size"
|
||
|
|
print_usage 1
|
||
|
|
fi
|
||
|
|
|
||
|
|
if [[ "$rfs_arch" != "arm64" && "$rfs_arch" != "armhf" ]]; then
|
||
|
|
echo "Invalid architecture: $rfs_arch"
|
||
|
|
print_usage 1
|
||
|
|
fi
|
||
|
|
|
||
|
|
pat='^[0-9]+[K|M|G]$'
|
||
|
|
if [[ ! $rfs_size =~ $pat ]]; then
|
||
|
|
echo "Invalid size: $rfs_size"
|
||
|
|
print_usage 1
|
||
|
|
fi
|
||
|
|
|
||
|
|
update_repositories
|
||
|
|
|
||
|
|
echo "Installing build dependencies ..."
|
||
|
|
sudo apt-get install debootstrap qemu-user-static schroot qemu-utils
|
||
|
|
|
||
|
|
image_name=$rfs_distro-$rfs_arch-"rootfs"
|
||
|
|
echo "Creating $rfs_distro ($rfs_arch) root file system ..."
|
||
|
|
echo "Image name: $image_name.img"
|
||
|
|
echo "Image size: $rfs_size"
|
||
|
|
|
||
|
|
qemu-img create $image_name.img $rfs_size
|
||
|
|
|
||
|
|
mkfs.ext4 $image_name.img
|
||
|
|
mkdir $image_name.dir
|
||
|
|
sudo mount -o loop $image_name.img $image_name.dir
|
||
|
|
|
||
|
|
sudo qemu-debootstrap --arch $rfs_arch $rfs_distro $image_name.dir
|
||
|
|
|
||
|
|
sudo chroot $image_name.dir locale-gen en_US.UTF-8
|
||
|
|
|
||
|
|
sudo chroot $image_name.dir sed -i \
|
||
|
|
's/main/main restricted multiverse universe/g' /etc/apt/sources.list
|
||
|
|
|
||
|
|
sudo chroot $image_name.dir sed -i '$ a\nameserver 8.8.8.8' /etc/resolv.conf
|
||
|
|
|
||
|
|
sudo chroot $image_name.dir apt update
|
||
|
|
sudo chroot $image_name.dir apt -y install ssh bash-completion
|
||
|
|
sudo chroot $image_name.dir adduser --gecos "" $USER
|
||
|
|
sudo chroot $image_name.dir adduser $USER sudo
|
||
|
|
sudo umount $image_name.dir
|
||
|
|
rmdir $image_name.dir
|