update-nethermind

#!/bin/bash

__arch=$(uname -m)

if [ "${__arch}" = "aarch64" ]; then
    arch="arm64"
elif [ "${__arch}" = "x86_64" ]; then
    arch="amd64"
else
    echo "Architecture ${__arch} not recognized. Aborting."
    exit 1
fi

lastver=$(curl --silent "https://api.github.com/repos/nethermindeth/nethermind/releases/latest" | grep -Po '"tag_name": "\K.*?(?=")')

read -p "Update Nethermind to Version [$lastver]: " ver
ver=${ver:-$lastver}

sha=$(curl --silent "https://api.github.com/repos/nethermindeth/nethermind/git/ref/tags/${ver}" | grep -Po '"sha": "\K.*?(?=")')

echo
read -p "Are you sure you want to update Nethermind to Version [$ver - ${sha:0:8}]? (y/n)" -n 1 -r

echo
if [[ ! $REPLY =~ ^[Yy]$ ]]; then
    exit 1
fi

echo
echo "Downloading Nethermind Version: $ver"
echo
curl -LO "https://nethdev.blob.core.windows.net/builds/nethermind-$ver-${sha:0:8}-linux-$arch.zip"

echo
echo "Importing build server public keys..."
gpg --keyserver hkp://keyserver.ubuntu.com --recv-keys 34E353C6 CB6DA407

echo
echo "Checking File Signature..."
curl -LO "https://nethdev.blob.core.windows.net/builds/nethermind-$ver-${sha:0:8}-linux-$arch.zip.asc" --silent

if ! gpg --verify nethermind-$ver-${sha:0:8}-linux-$arch.zip.asc; then
    echo
    echo "Signature Error!"
    exit 1
fi
echo
echo "Signature OK!"

echo
echo "Stopping Nethermind Service..."
sudo systemctl stop nethermind

echo
echo "Extracting..."
unzip nethermind-$ver-${sha:0:8}-linux-$arch.zip -d nethermind
sudo rm -r /usr/local/bin/nethermind 2>/dev/null
sudo cp -a nethermind /usr/local/bin/nethermind

echo
read -p "Restart Nethermind Service?" -n 1 -r
echo
if [[ $REPLY =~ ^[Yy]$ ]]; then
    echo
    echo "Starting Services..."
    sudo systemctl daemon-reload
    sudo systemctl start nethermind
fi

echo
echo "Cleaning Up..."
rm nethermind-$ver-${sha:0:8}-linux-$arch.zip
rm nethermind-$ver-${sha:0:8}-linux-$arch.zip.asc
rm -r nethermind