install my ssh key

install-ssh-key.sh

#!/bin/bash

# SHA256(id_ed25519.pub)= 9027bc32e05f04d3ad3b16062fa62e13d88b857a966ab102e2e3332a1e18013f
key="ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIPqJNsgnhcAFAnBvjTljwkVnZGKXePZSZ22iYIJNjMO3 chayut.s.1234@icloud.com"

echo "Assuming you are in the correct directory (~)"

# If user chose normal installation
if [ $1 == "install" ]; then
  echo "The script will now create .ssh directory and install the key into .ssh/authorized_keys"

  # Make directory
  mkdir -p .ssh

  # If key is already installed
  if grep -q "$key" ".ssh/authorized_keys" -s ; then
    echo "Key is already installed"
    exit -1
  fi

  # Install the key
  echo "Installing the key in 5 seconds, SIGINT to abort..."
  sleep 5
  echo "Installing..."
  echo $key >> .ssh/authorized_keys
  echo "Installed SSH key to .ssh/authorized_keys"
  echo "Uninstall via the uninstall flag"
  exit 0
fi

# If user chose uninstall
if [ $1 == "uninstall" ]; then
  # Make directory
  mkdir -p .ssh

  # If key is installed
  if grep -q "$key" ".ssh/authorized_keys" -s ; then
    echo "Uninstalling..."
    sed -i '/chayut.s.1234@icloud.com/d' .ssh/authorized_keys
    exit 0
  fi

  # If key is not installed
  echo "Nothing to uninstall, please edit the .ssh/authorized_keys manually."
  exit -1
fi

echo "Invalid argument, valid arguments: install, uninstall"
exit -1