Script to generate SSH key for GitHub

sshkey.sh

#! /bin/bash
# Script to generate SSH key for GitHub
# Usage: ./sshkey.sh <email>

# Set colors for output
declare -A colors=(
    ["red"]='\e[31m'
    ["green"]='\e[32m' 
    ["cyan"]='\e[36m'
    ["yellow"]='\e[33m'
    ["reset"]='\e[0m'
)

# Function to print colored messages
print_message() {
    local color=$1
    local message=$2
    echo -e "${colors[$color]}$message${colors[reset]}"
}

# Function to generate and setup SSH key
setup_ssh_key() {
    local email=$1
    local key_file="$HOME/.ssh/id_ed25519"
    
    print_message "cyan" "Generating SSH key..."
    # Use -f to specify the file path and avoid the prompt
    ssh-keygen -q -t ed25519 -C "$email" -N "" -f "$key_file"
    
    print_message "cyan" "Starting SSH agent..."
    eval "$(ssh-agent -s)"
    
    print_message "cyan" "Adding SSH key to agent..."
    ssh-add "$key_file"
    
    print_message "green" "Please add the following key to your GitHub account:"
    cat "$key_file.pub"
}

# Check if email argument is provided
if [ $# -eq 0 ]; then
    print_message "red" "Error: Please provide an email address as an argument"
    print_message "yellow" "Usage: $0 <email>"
    exit 1
fi

# Main execution
setup_ssh_key "$1"