nwaku/scripts/build_rln.sh

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#!/usr/bin/env bash
# This script is used to build the rln library for the current platform, or download it from the
# release page if it is available.
set -e
# first argument is the build directory
build_dir=$1
rln_version=$2
output_filename=$3
[[ -z "${build_dir}" ]] && { echo "No build directory specified"; exit 1; }
[[ -z "${rln_version}" ]] && { echo "No rln version specified"; exit 1; }
[[ -z "${output_filename}" ]] && { echo "No output filename specified"; exit 1; }
# Get the host triplet
host_triplet=$(rustc --version --verbose | awk '/host:/{print $2}')
# Download the prebuilt rln library if it is available
if curl --silent --fail-with-body -L \
"https://github.com/vacp2p/zerokit/releases/download/$rln_version/${host_triplet}-rln.tar.gz" \
-o "${host_triplet}-rln.tar.gz";
then
echo "Downloaded ${host_triplet}-rln.tar.gz"
tar -xzf "${host_triplet}-rln.tar.gz"
mv "release/librln.a" "${output_filename}"
rm -rf "${host_triplet}-rln.tar.gz" release
else
echo "Failed to download ${host_triplet}-rln.tar.gz"
# Build rln instead
# first, check if submodule version = version in Makefile
cargo metadata --format-version=1 --no-deps --manifest-path "${build_dir}/rln/Cargo.toml"
submodule_version=$(
cargo metadata --format-version=1 --no-deps --manifest-path "${build_dir}/rln/Cargo.toml" \
| jq -r '.packages[] | select(.name == "rln") | .version'
)
if [[ "v${submodule_version}" != "${rln_version}" ]]; then
echo "Submodule version (v${submodule_version}) does not match version in Makefile (${rln_version})"
echo "Please update the submodule to ${rln_version}"
exit 1
fi
# if submodule version = version in Makefile, build rln
cargo build --release -p rln --manifest-path "${build_dir}/rln/Cargo.toml"
cp "${build_dir}/target/release/librln.a" "${output_filename}"
fi