#!/usr/bin/env bash
# Builds the CLI for a target platform and packages it as:
# guara-<tag>-<platform>.tar.gz alongside a .sha256 checksum file.
#
#   scripts/package-cli.sh v1.3.2 linux-x86_64 x86_64-unknown-linux-gnu
#
# Supported platforms: linux-x86_64 and linux-aarch64. When cross-compiling
# from a non-x86_64 host, uses gcc-x86-64-linux-gnu. Writes the archives to the
# repository root and prints their filenames.
set -euo pipefail

cd "$(dirname "$0")/.."

tag=${1:?usage: package-cli.sh <tag> <platform> <rust-target>}
platform=${2:?usage: package-cli.sh <tag> <platform> <rust-target>}
target=${3:?usage: package-cli.sh <tag> <platform> <rust-target>}

if [ "$target" = x86_64-unknown-linux-gnu ] && [ "$(uname -m)" != x86_64 ]; then
  export CARGO_TARGET_X86_64_UNKNOWN_LINUX_GNU_LINKER=x86_64-linux-gnu-gcc
  export CC_x86_64_unknown_linux_gnu=x86_64-linux-gnu-gcc
fi

rustup target add "$target" >/dev/null 2>&1 || true
cargo build --release --locked -p guara-cli --target "$target"

name="guara-${tag}-${platform}"
rm -rf "$name"; mkdir "$name"
cp "${CARGO_TARGET_DIR:-target}/${target}/release/guara" "$name/"
cp README.md LICENSE-MIT LICENSE-APACHE "$name/"

tar czf "$name.tar.gz" "$name"
asset="$name.tar.gz"
rm -rf "$name"
sha256sum "$asset" > "$asset.sha256"
echo "$asset"
echo "$asset.sha256"