setup_zsh.zsh

#!/usr/bin/env zsh

echo "\n<<< Starting ZSH Setup >>>\n"

# https://stackoverflow.com/a/4749368/1341838
if grep -Fxq '/usr/local/bin/zsh' '/etc/shells'; then
  echo '/usr/local/bin/zsh already exists in /etc/shells'
else
  echo "Enter superuser (sudo) password to edit /etc/shells"
  echo '/usr/local/bin/zsh' | sudo tee -a '/etc/shells' >/dev/null
fi


if [ "$SHELL" = '/usr/local/bin/zsh' ]; then
  echo '$SHELL is already /usr/local/bin/zsh'
else
  echo "Enter user password to change login shell"
  chsh -s '/usr/local/bin/zsh'
fi

if sh --version | grep -q zsh; then
  echo '/private/var/select/sh already linked to /bin/zsh'
else
  echo "Enter superuser (sudo) password to symlink sh to zsh"
  # Looked cute, might delete later, idk
  sudo ln -sfv /bin/zsh /private/var/select/sh

  # I'd like for this to work instead.
  # sudo ln -sfv /usr/local/bin/zsh /private/var/select/sh
fi

# Installing ohmyzsh 
# TODO checking ohmyzsh
sh -c "$(curl -fsSL https://raw.githubusercontent.com/ohmyzsh/ohmyzsh/master/tools/install.sh)"

# Clone zsh plugins
CURRENT_DIR=`pwd`
ZSH_PLUGINS_DIR="$HOME/.oh-my-zsh/custom/plugins"

# Make a folder zsh plugins
mkdir -p "$ZSH_PLUGINS_DIR" && cd "$ZSH_PLUGINS_DIR"

# Checking plugins
if [ ! -d "$ZSH_PLUGINS_DIR/zsh-syntax-highlighting" ]; then
  echo "-----> Installing zsh plugin 'zsh-autosuggestions' 'zsh-syntax-highlighting'"
  git clone https://github.com/zsh-users/zsh-autosuggestions
  git clone https://github.com/zsh-users/zsh-syntax-highlighting
fi