setup

#!/bin/bash
############################
# This script creates symlinks from the home directory to any desired dotfiles
# in ~/dotfiles
############################

dir=~/dotfiles                           # dotfiles directory
olddir=~/dotfiles_old                    # old dotfiles backup directory
dotfile_dirs="shell git editor terminal" # directories containing dotfiles to link to $HOME
home_bin=$HOME/bin                       # directory for executables stored in this repository
nvim_parent_dir=$HOME/.config            # directory for neovim configurations

while getopts "x" option; do
  case ${option} in
  x)
    script_only=1
    ;;
  \?) #For invalid option
    echo "Invalid argument provided"
    exit 1
    ;;
  esac
done

# change to the dotfiles directory
cd $dir

# only execute if the $script_only variable is not set
if [ -z "${script_only+x}" ]; then
  # move any existing dotfiles in homedir to dotfiles_old directory, then create symlinks

  # create dotfiles_old in homedir
  mkdir -p $olddir
  for dotfile_dir in $dotfile_dirs; do
    for file in $dir/$dotfile_dir/*; do
      if [ -f "$file" ]; then
        basename=$(basename "$file")
        mv $HOME/.$basename $olddir
        ln -s $file $HOME/.$basename
      fi
    done
  done

  # symlink nvim configurations
  ln -s -f $dir/editor/nvim $nvim_parent_dir

  echo "Moved all existing dotfiles to $olddir."
fi

# Move files in scripts folder to /bin in $HOME
mkdir -p $home_bin

for file in $dir/scripts/*; do
  if [ -f "$file" ]; then
    scriptname=$(basename "$file")
    ln -s -f $file $home_bin/$scriptname
  fi
done

echo "Complete"