Conty/create-conty.sh
2022-04-06 00:48:09 +05:00

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#!/usr/bin/env bash
# Dependencies: squashfs-tools or dwarfs
script_dir="$(dirname "$(readlink -f "${BASH_SOURCE[0]}")")"
# Supported compression algorithms: lz4, zstd, gzip, xz, lzo
# These are the algorithms supported by the integrated squashfuse
# However, your squashfs-tools (mksquashfs) may not support some of them
squashfs_compressor="lz4"
squashfs_compressor_arguments="-b 256K -comp ${squashfs_compressor} -Xhc"
# Uncomment these two lines if you want better compression and your mksquashfs supports zstd
#squashfs_compressor="zstd"
#squashfs_compressor_arguments="-b 1M -comp ${squashfs_compressor} -Xcompression-level 19"
# Use dwarfs instead of squashfs
dwarfs="false"
dwarfs_compressor_arguments="-l7 -C zstd:level=19 --metadata-compression null \
-S 22 -B 2 --order nilsimsa:255:40000:40000 \
--bloom-filter-size 11 -W 15 -w 3"
# Set to true to use an existing image if it exists
# Otherwise the script will always create a new image
use_existing_image="false"
image_path="${script_dir}"/image
bootstrap="${script_dir}"/root.x86_64
cd "${script_dir}" || exit 1
if [ "${dwarfs}" = "true" ]; then
utils="utils_dwarfs.tar.gz"
else
utils="utils.tar.gz"
fi
if [ ! -f "${utils}" ] || [ "$(wc -c < "${utils}")" -lt 1000 ]; then
rm -f "${utils}"
wget -q --show-progress "https://github.com/Kron4ek/Conty/raw/master/${utils}"
fi
if [ ! -f conty-start.sh ]; then
echo "conty-start.sh is required!"
exit 1
fi
# Check if selected compression algorithm is supported by mksquashfs
if [ "${dwarfs}" != "true" ] && command -v grep 1>/dev/null; then
# mksquashfs writes its output to stderr instead of stdout
mksquashfs &>mksquashfs_out.txt
if [ ! "$(cat mksquashfs_out.txt | grep ${squashfs_compressor})" ]; then
echo "Seems like your mksquashfs doesn't support the selected"
echo "compression algorithm (${squashfs_compressor})."
echo
echo "Choose another algorithm and run the script again"
exit 1
fi
rm -f mksquashfs_out.txt
fi
echo
echo "Creating Conty..."
echo
# Create the image
if [ ! -f "${image_path}" ] || [ "${use_existing_image}" != "true" ]; then
if [ ! -d "${bootstrap}" ]; then
echo "Distro bootstrap is required!"
echo "Use the create-arch-bootstrap.sh script to get it"
exit 1
fi
rm -f "${image_path}"
if [ "${dwarfs}" = "true" ]; then
if ! command -v mkdwarfs 1>/dev/null; then
echo "Please install dwarfs and run the script again"
exit 1
fi
mkdwarfs -i "${bootstrap}" -o "${image_path}" ${dwarfs_compressor_arguments}
else
if ! command -v mksquashfs 1>/dev/null; then
echo "Please install squashfs-tools and run the script again"
exit 1
fi
mksquashfs "${bootstrap}" "${image_path}" ${squashfs_compressor_arguments}
fi
fi
# Combine the files into a single executable using cat
cat conty-start.sh "${utils}" "${image_path}" > conty.sh
chmod +x conty.sh
clear
echo "Conty created and ready to use!"