A simple bash scrpit for install lazy docker as a direct binary from github

install_lazy_docker.sh

#!/bin/bash


# Function to check if lazydocker is installed
is_lazydocker_installed() {
    if command -v lazydocker &> /dev/null; then
        return 0
    else
        return 1
    fi
}

# Function to get the currently installed version of lazydocker
get_installed_version() {
    lazydocker --version | grep -oP 'Version: \K.*'
}

# Check if lazydocker is already installed
if is_lazydocker_installed; then
    installed_version=$(get_installed_version)
    latest_version=$(curl -s https://api.github.com/repos/jesseduffield/lazydocker/releases/latest | jq -r '.tag_name' | sed 's/v//')
    if [ "$installed_version" = "$latest_version" ]; then
        echo "✨ Lazydocker is already installed and up to date! ✨"
        echo "Installed Version: $installed_version"
        exit 0
    else
        echo "🔄 Updating lazydocker to the latest version $latest_version... 🔄"
    fi
else
    echo "🚀 Installing lazydocker... 🚀"
fi

# Check if jq is installed, if not, install it
if ! command -v jq &> /dev/null; then
    echo "Installing jq..."
    apt-get update
    apt-get install -y jq
    if [ $? -ne 0 ]; then
        echo "Error: Unable to install jq. Exiting."
        exit 1
    fi
fi

# Check for the latest version of lazydocker on GitHub
latest_version=$(curl -s https://api.github.com/repos/jesseduffield/lazydocker/releases/latest | jq -r '.tag_name')
if [ -z "$latest_version" ]; then
    echo "Error: Unable to fetch the latest version of lazydocker from GitHub."
    exit 1
fi

# Remove the "v" from the version
latest_version=${latest_version#v}

# Download it to /tmp/
download_url="https://github.com/jesseduffield/lazydocker/releases/download/v${latest_version}/lazydocker_${latest_version}_Linux_x86_64.tar.gz"
curl -L -o "/tmp/lazydocker.tar.gz" "$download_url"
if [ $? -ne 0 ]; then
    echo "Error: Unable to download lazydocker from $download_url."
    exit 1
fi

# Extract it in the /tmp/ directory
tar -C /tmp/ -xzf "/tmp/lazydocker.tar.gz" || {
    echo "Error: Unable to extract lazydocker archive."
    rm "/tmp/lazydocker.tar.gz"
    exit 1
}

# Move the binary lazydocker to /usr/bin/local
mv "/tmp/lazydocker" "/usr/local/bin/" || {
    echo "Error: Unable to move lazydocker binary to /usr/local/bin/."
    rm "/tmp/lazydocker.tar.gz"
    exit 1
}

# Make it executable
chmod +x "/usr/local/bin/lazydocker" || {
    echo "Error: Unable to make lazydocker executable."
    rm "/tmp/lazydocker.tar.gz"
    exit 1
}

# Clean up temporary files
rm "/tmp/lazydocker.tar.gz"

echo "Lazydocker installed successfully!"
lazydocker --version