build_script.sh

#!/bin/bash

# Script generated by ChatGPT

# Output directory
output_dir="out"

# Operating system
os="linux"

# List of architectures
architectures=("386" "amd64" "arm64" "armv6" "armv7")

# Checksums file name
checksums_file="$output_dir/checksums.txt"

# Remove the output directory if it already exists
rm -rf "$output_dir"

# Create the output directory
mkdir -p "$output_dir"

# Loop over architectures
for arch in "${architectures[@]}"; do
    # Binary name
    binary_name="power-linux-$arch"

    # Full path of the binary
    binary_path="$output_dir/$binary_name"

    # Use go build to generate the binary
    if [ "$arch" == "armv6" ] || [ "$arch" == "armv7" ]; then
        GOOS=$os GOARCH=arm GOARM=$(if [ "$arch" == "armv6" ]; then echo 6; else echo 7; fi) go build -o "$binary_path"
    else
        GOOS=$os GOARCH=$arch go build -o "$binary_path"
    fi

    # Display a message indicating that the binary is built
    echo "Binary $binary_name built successfully."

    # Calculate the SHA256 checksum
    checksum=$(sha256sum "$binary_path" | cut -d ' ' -f 1)

    # Add the checksum to the checksums.txt file
    echo "$checksum *$binary_name" >> "$checksums_file"

    # Save the original output of sha256sum to a .sha256 file
    (cd "$output_dir" && sha256sum "$binary_name" > "$binary_name.sha256")
done

# Display a message indicating that the process is complete
echo "Binaries, checksum files, and checksums.txt successfully generated in the $output_dir directory."