update-binary.sh

#!/bin/bash
# Update airspy_adsb binary
set -e
trap 'echo "[ERROR] Error in line $LINENO when executing: $BASH_COMMAND"' ERR

verlte() {
    [[  "$1" == "$(echo -e "$1\n$2" | sort -V | head -n1)" ]]
}
verlt() {
    [[ "$1" == "$2" ]] && return 1 || verlte $1 $2
}

libc=$(ldd --version | grep -i glibc | grep -o -e '[0-9.]*$')

ARCH=arm
if dpkg --print-architecture | grep -F -e armhf &>/dev/null; then
    if uname -m | grep -qs -e armv7; then
        ARCH=armv7
    else
        ARCH=arm
    fi
elif uname -m | grep -F -e arm64 -e aarch64 &>/dev/null; then
    ARCH=arm64
elif uname -m | grep -F -e arm &>/dev/null; then
    # unexpected fallback
    ARCH=arm
elif dpkg --print-architecture | grep -F -e i386 &>/dev/null; then
    ARCH=i386
elif uname -m | grep -F -e x86_64 &>/dev/null; then
    ARCH=x86_64
    if cat /proc/cpuinfo | grep flags | grep popcnt | grep sse4_2 &>/dev/null; then
        ARCH=nehalem
    fi
else
	echo "Unable to download a program version for your platform!"
fi


URL="https://github.com/wiedehopf/airspy-conf/raw/master"

OS="buster"
required_buster="2.28"
required_bullseye="2.31"
required_bookworm="2.36"
if [[ -n "$libc" ]] && ! verlt "$libc" "$required_bookworm"; then
    OS="bookworm"
    echo "----------------"
    echo libc version: "$libc >= $required_bookworm"
    echo "----------------"
elif [[ -n "$libc" ]] && ! verlt "$libc" "$required_bullseye"; then
    OS="bullseye"
    echo "----------------"
    echo libc version: "$libc >= $required_bullseye"
    echo "----------------"
elif [[ -n "$libc" ]] && ! verlt "$libc" "$required_buster"; then
    OS="buster"
    echo "----------------"
    echo libc version: "$libc >= $required_buster"
    echo "----------------"
else
    OS="stretch"
    echo "----------------"
    echo "Seems your system is a bit old, performance may be worse than on buster or newer!"
    echo libc version: "$libc < $required_buster"
    echo "----------------"

    if [[ $ARCH == armv7 ]]; then
        # no armv7 compile for stretch, not sure why and doesn't really matter
        ARCH=arm
    fi
fi

binary="${URL}/${OS}/airspy_adsb-linux-${ARCH}.tgz"

echo "Getting this binary: $binary"

function download() {
    cd /tmp/
    if ! wget -nv -O airspy.tgz "$binary"; then
        echo "download error?!"
        exit 1
    fi
    rm -f ./airspy_adsb
    tar xzf airspy.tgz
}

download

if ! ./airspy_adsb -h &>/dev/null; then
    echo "ARCH=${ARCH} libc=${libc} Error, can't execute the binary, please report $(uname -m) and the above error."
    exit 1
fi


# ------------------------------

systemctl stop airspy_adsb &>/dev/null || true
cp -f airspy_adsb /usr/local/bin/

systemctl restart airspy_adsb

echo "------------------------"
echo "airspy-conf update finished successfully!"