OSX Shell Configuration - with Zsh

osx-shell-config.sh

# !/bin/bash -e

# Make sure brew is installed
if hash brew 2>/dev/null; then
  printf "Brew is already installed!\n"
else
  printf "ERROR: Please install brew before running this script.\n"
  exit 1
fi

# Make sure git is installed
if hash git 2>/dev/null; then
  printf "Git is already installed!\n"
else
  printf "ERROR: Please install git before running this script.\n"
  exit 1
fi

# Install zsh
if hash zsh 2>/dev/null; then
  printf "Zsh is already installed!\n"
else
  printf "Installing zsh...\n"
  brew install zsh
  printf "Installed zsh.\n"
fi

# Install oh-my-zsh
printf "Install Oh My Zsh...\n"
sh -c "$(curl -fsSL https://raw.githubusercontent.com/robbyrussell/oh-my-zsh/master/tools/install.sh)"
printf "Installed Oh My Zsh.\n"

# Install Powerline fonts
printf "Installing powerline fonts...\n"
git clone https://github.com/powerline/fonts.git --depth=1
./fonts/install.sh
rm -rf fonts
printf "Installed powerline fonts.\n"

# Fetch zsh-syntax-highlighting plugin
printf "Fetching zsh-syntax-highlighting plugin...\n"
git clone https://github.com/zsh-users/zsh-syntax-highlighting.git ${ZSH_CUSTOM:-~/.oh-my-zsh/custom}/plugins/zsh-syntax-highlighting
printf "Fetched zsh-syntax-highlighting plugin.\n"

# Fetch zsh-completions
printf "Fetching zsh-completions plugin...\n"
git clone https://github.com/zsh-users/zsh-completions ${ZSH_CUSTOM:-~/.oh-my-zsh/custom}/plugins/zsh-completions
printf "Fetched zsh-completions plugin.\n"

# Fetch zsh-autosuggestions
printf "Fetching zsh-autosuggestions plugin...\n"
git clone https://github.com/zsh-users/zsh-autosuggestions ${ZSH_CUSTOM:-~/.oh-my-zsh/custom}/plugins/zsh-autosuggestions
printf "Fetched zsh-autosuggestions plugin.\n"

# Configure .zshrc file
printf "Backing up original .zshrc...\n"
mv ~/.zshrc ~/.zshrc.bak
printf "Configuring .zshrc...\n"
cat <<EOF > ~/.zshrc
# Path to your oh-my-zsh installation.
export ZSH=~/.oh-my-zsh

# Theme
ZSH_THEME="agnoster"

# Enable plugins
plugins=(
  git
  osx
  common-aliases
  dirhistory
  sudo
  web-search
  zsh-syntax-highlighting
  zsh-completions
  zsh-autosuggestions
  docker
)

source $ZSH/oh-my-zsh.sh

# Remove hostname from terminal by setting default user
DEFAULT_USER=
EOF
sed -i -e 's/DEFAULT_USER=/DEFAULT_USER='${USER}'/' ~/.zshrc
printf "Configured .zshrc.\n"

# Configure .vimrc file
printf "Configuring .vimrc...\n"
if [ -f ~/.vimrc ]; then
    mv ~/.vimrc ~/.vimrc.bak
fi
cat <<EOF > ~/.vimrc
syntax on
set number
EOF
printf "Configured .vimrc.\n"

# Notify to setup terminal to use a powerline font
printf "Configuration complete!\n\n"
printf "NOTE: Please ensure you set your terminals font to one of the powerline fonts.\n"