config-programs.sh

#!/bin/bash

# Start a shell session with Multipass VM
read -p "Enter the name of your Multipass VM: " vm_name

# Check  the VM exists before attempting to shell into it
if multipass info $vm_name &> /dev/null; then
    echo "VM $vm_name exists. Starting shell session..."

    # Start shell session and execute commands inside the VM
    multipass exec $vm_name bash - <<EOF
        # Update and upgrade packages
        echo "********************************************************"
        echo "     Updating and upgrading packages"
        echo "********************************************************"
        sudo apt update
        sudo apt dist-upgrade -y

        # Install ZSH
        echo "********************************************************"
        echo "     INSTALLING ZSH "
        echo "********************************************************"
        sudo apt install -y zsh

        # Install Oh-my-zsh
        echo "********************************************************"
        echo "     INSTALLING Oh-my-zsh "
        echo "********************************************************"
        if sh -c "\$(curl -fsSL https://raw.githubusercontent.com/ohmyzsh/ohmyzsh/master/tools/install.sh)"; then
            # Add autosuggestions
            echo "Configuring autosuggestions zsh"
            git clone https://github.com/zsh-users/zsh-autosuggestions ~/.zsh/zsh-autosuggestions
            source ~/.zsh/zsh-autosuggestions/zsh-autosuggestions.zsh

            # Add syntax-highlighting
            echo "Configuring syntax-highlighting zsh"
            git clone https://github.com/zsh-users/zsh-syntax-highlighting.git ~/.zsh/zsh-syntax-highlighting
            source ~/.zsh/zsh-syntax-highlighting/zsh-syntax-highlighting.zsh
        fi

        # Setup git / ssh for user.
        echo "********************************************************"
        echo "     Configuring Git to use SSH to sign Commits "
        echo "********************************************************"
        read -p "Enter your GitHub username: " username
        git config --global user.name "\$username"

        read -p "Enter your GitHub email: " email
        if git config --global user.email "\$email"; then
            cd ~/.ssh
            ssh-keygen -t ed25519 -C "\$email"

            echo "%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%"
            echo "Please follow these steps"
            echo "1. Copy the following text output: "
            echo " "
            cat id_ed25519.pub
            echo " "
            echo "2. Go to your GitHub account settings."
            echo "2a. Click on SSH and GPG keys."
            echo "2b. Click on New SSH key."
            echo "2c. In the 'Title' field, add a descriptive label for the new key."
            echo "2d. In the 'Key' field, paste your public key. Hit 'Add SSH key'."
            echo "If prompted, confirm access to your GitHub account."
            echo "%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%"

            read -p "Have you completed these steps? (yes/no): " completed
            if [[ "\$completed" == "yes" || "\$completed" == "y" ]]; then
                git config --global gpg.format ssh
                git config --global user.signingkey ~/.ssh/id_ed25519.pub
                echo "You can now sign commits."
                echo " e.g  git commit -S -m 'commit message' "
            else
                echo "Run the script again to configure SSH for signing commits."
            fi

        else
            echo "We need your GitHub email to continue!"
            echo "###########################################"
            echo "Setting up Git for this user ABORTED"
            echo "###########################################"
        fi

        # Install nvm
        echo "********************************************************"
        echo "     INSTALLING nvm "
        echo "********************************************************"
        if curl -o- https://raw.githubusercontent.com/nvm-sh/nvm/v0.39.7/install.sh | bash; then
            nvm --version
        else
            echo "Failed to install nvm"
        fi

        # Install Docker
        echo "********************************************************"
        echo "     INSTALLING Docker "
        echo "********************************************************"
        sudo apt install -y docker.io

        if [ \$? -eq 0 ]; then
            echo "Docker installation successful."
            sudo usermod -aG docker \$USER 
            echo "Added \$USER to docker group."

            # Exit shell session and re-enter
            exit

            # Re-enter Multipass VM shell session
            multipass exec $vm_name bash - <<INNEREOF
                # Install docker-compose
                echo "********************************************************"
                echo "     INSTALLING Docker Compose "
                echo "********************************************************"
                if sudo curl -L "https://github.com/docker/compose/releases/download/1.29.2/docker-compose-\$(uname -s)-\$(uname -m)" -o /usr/local/bin/docker-compose && sudo chmod +x /usr/local/bin/docker-compose; then
                    docker-compose --version
                else
                    echo "Failed to install Docker Compose."
                fi

                echo "********************************************************"
                echo "     Done!!! "
                echo "********************************************************"
            INNEREOF

        else
            echo "Failed to install Docker. Exiting."
            exit 1
        fi

        echo "********************************************************"
        echo "     Done!!! "
        echo "********************************************************"
EOF

else 
    echo "VM $vm_name does not exist. Please enter an existing VM name."
fi