install

#!/bin/zsh

autoload colors && colors

echo "\n$fg[green]Installing...$reset_color"

# Reacts to user input when a link exists
# Y: remove and re-link this file
# n: do nothing, continue
# A: remove and re-link all files without prompting
# q: quit, exit 1
process_exists () {
  echo "$fg[yellow]  ☆  $2 already exists. Overwrite? [(Y)es (n)o (A)ll (q)uit]$reset_color"

  read -qs action

  case $action in
  Y)  make_link $1 $2
      ;;
  A)  link_all=0
      make_link $1 $2
      ;;
  q)  echo "$fg[red]Goodbye!$reset_color"
      exit 1
      ;;
  *)  echo "$fg[red]  ☆  Okay, not linking.$reset_color"
  esac
}

# Creates a symlink, first removing it if it already exists
make_link () {
  if [ -e $2 ]; then
    rm $2
  fi

  ln -s $1 $2

  echo "$fg[green]  ★  $2 linked!$reset_color"
}


# Loop over all symlink files in the directory, linking them
# or prompting for instructions when necessary
for symlink (./**/*.symlink) {
  link_to_path="$(pwd)$(echo $symlink | sed 's/\.//')"
  link_from_path="$HOME/.$(basename $symlink | awk -F. '{ print $1 }')"

  if [ $link_all ]; then
    make_link $link_to_path $link_from_path
  else
    if [ -e $link_from_path ]; then
      process_exists $link_to_path $link_from_path
    else
      make_link $link_to_path $link_from_path
    fi
  fi
}

echo "$fg[green]Done!\n$reset_color"

exit 0