kopia-install-update.sh

#!/bin/bash

# Get the CPU arch
ARCH_STRING=$(uname -a)
x86_64='x86_64'
arm64='aarch64'

echo $ARCH_STRING

case $ARCH_STRING in
  *"$x86_64"*)
    KOPIA_ARCH="x64"
    ;;

  *"$arm64"*)
    KOPIA_ARCH="arm64"
    ;;
esac

KOPIA_RELEASE_URL=https://api.github.com/repos/kopia/kopia/releases
echo "Latest Remote Version:"
KOPIA_REMOTE_VERSION=$(curl -s $KOPIA_RELEASE_URL | python3 -c 'import sys, json; print(json.load(sys.stdin)[0]["tag_name"])' | sed 's/v//')
echo $KOPIA_REMOTE_VERSION

if ! type "kopia" > /dev/null; then
    echo "kopia could not be found"
    KOPIA_INSTALLED_VERSION="0.0.0"
else
    # Get kopia path
    # Get installed version
    KOPIA_LOCATION=$(command -v kopia)
    echo "kopia location:"
    echo $KOPIA_LOCATION
    echo "Current Kopia Version:"
    # KOPIA_INSTALLED_VERSION=$(/usr/local/bin/kopia --version | sed 's/minio version //')
    KOPIA_INSTALLED_VERSION=$(/usr/local/bin/kopia --version | sed 's/build.*//g')
    echo $KOPIA_INSTALLED_VERSION
fi

# Cleanup whitespace
KOPIA_INSTALLED_VERSION=${KOPIA_INSTALLED_VERSION// /}

if [ "$KOPIA_INSTALLED_VERSION" != "$KOPIA_REMOTE_VERSION" ]; then
    echo "Installing/upgrading to the latest version..."
    wget -q https://github.com/kopia/kopia/releases/download/v${KOPIA_REMOTE_VERSION}/kopia-${KOPIA_REMOTE_VERSION}-linux-${KOPIA_ARCH}.tar.gz
    tar -zxvf kopia-${KOPIA_REMOTE_VERSION}-linux-${KOPIA_ARCH}.tar.gz kopia-${KOPIA_REMOTE_VERSION}-linux-${KOPIA_ARCH}/
    mv kopia-${KOPIA_REMOTE_VERSION}-linux-${KOPIA_ARCH}/kopia .
    rm -rf kopia-${KOPIA_REMOTE_VERSION}-linux-${KOPIA_ARCH}/
    rm kopia-${KOPIA_REMOTE_VERSION}-linux-${KOPIA_ARCH}.tar.gz
    sudo mv kopia /usr/local/bin/
fi