bootstrap

#!/usr/bin/env bash

################################################################################
# bootstrap
#
# This script is intended to set up a new Mac computer with my dotfiles and
# other development preferences.
################################################################################

# TODO add checks for each step to skip them if the script is run again
# could set an environment variable for this, for each step
# then say "has this step run yet?"

# Thank you, thoughtbot!
bootstrap_echo() {
  local fmt="$1"; shift

  # shellcheck disable=SC2059
  printf "\\n[BOOTSTRAP] $fmt\\n" "$@"
}


################################################################################
# VARIABLE DECLARATIONS
################################################################################

osname=$(uname)
# TODO add repo branch selection back for testing
export COMMANDLINE_TOOLS="/Library/Developer/CommandLineTools"
export OLD_DOTFILES_BAK="${HOME}/old_dotfiles_bak"
export DOTFILES_REPO_URL="https://github.com/JSaterdalen/dotfiles.git"
export DOTFILES_DIR="${HOME}/dotfiles"
export BOOTSTRAP_REPO_URL="https://github.com/JSaterdalen/mac-bootstrap.git"
export BOOTSTRAP_DIR="${HOME}/mac-bootstrap"

PS3="> "

comp=$(scutil --get ComputerName)
host=$(scutil --get LocalHostName)

if [ -z "$comp" ] || [ -z "$host" ]; then
  DEFAULT_COMPUTER_NAME="My Mac Computer"
  DEFAULT_HOST_NAME="my-mac-computer"
else
  DEFAULT_COMPUTER_NAME="$comp"
  DEFAULT_HOST_NAME="$host"
fi

DEFAULT_DOTFILES_BRANCH="main"
DEFAULT_TIME_ZONE="America/Chicago"


################################################################################
# Make sure we're on a Mac before continuing
################################################################################

if [ "$osname" == "Linux" ]; then
  bootstrap_echo "Oops, looks like you're on a Linux machine. Please have a look at
  my Linux Bootstrap script: https://github.com/joshukraine/linux-bootstrap"
  exit 1
elif [ "$osname" != "Darwin" ]; then
  bootstrap_echo "Oops, it looks like you're using a non-UNIX system. This script
only supports Mac. Exiting..."
  exit 1
fi


################################################################################
# Check for presence of command line tools if macOS
################################################################################

if [ ! -d "$COMMANDLINE_TOOLS" ]; then
  bootstrap_echo "Apple's command line developer tools must be installed before
running this script. To install them, just run 'xcode-select --install' from
the terminal and then follow the prompts. Once the command line tools have been
installed, you can try running this script again."
  exit 1
fi


################################################################################
# Authenticate
################################################################################

sudo -v

# Keep-alive: update existing `sudo` time stamp until bootstrap has finished
while true; do sudo -n true; sleep 60; kill -0 "$$" || exit; done 2>/dev/null &

set -e


################################################################################
# Welcome and setup
################################################################################

echo
echo "*************************************************************************"
echo "*******                                                           *******"
echo "*******                 Welcome to Mac Bootstrap!                 *******"
echo "*******                                                           *******"
echo "*******        https://github.com/JSaterdalen/mac-bootstrap       *******"
echo "*******                                                           *******"
echo "*************************************************************************"
echo

printf "Before we get started, let's get some info about your setup.\\n"

printf "\\nBootstrap script will be cloned from:
==> %s.\\n" "$BOOTSTRAP_REPO_URL"

printf "\\nDotfiles will be cloned from:
==> %s.\\n" "$DOTFILES_REPO_URL"

printf "\\nEnter a name for your Mac. (Leave blank for default: %s)\\n" "$DEFAULT_COMPUTER_NAME"
read -r -p "> " COMPUTER_NAME
export COMPUTER_NAME=${COMPUTER_NAME:-$DEFAULT_COMPUTER_NAME}

printf "\\nEnter a host name for your Mac. (Leave blank for default: %s)\\n" "$DEFAULT_HOST_NAME"
read -r -p "> " HOST_NAME
export HOST_NAME=${HOST_NAME:-$DEFAULT_HOST_NAME}

printf "\\nEnter your desired time zone.
To view available options run \`sudo systemsetup -listtimezones\`
(Leave blank for default: %s)\\n" "$DEFAULT_TIME_ZONE"
read -r -p "> " TIME_ZONE
export TIME_ZONE=${TIME_ZONE:-$DEFAULT_TIME_ZONE}

# printf "\\nWhich version of Node.js would you like to install?
# Available versions: https://semver.io/node/versions
# (Leave blank for default: %s)\\n" "$DEFAULT_NODEJS_VERSION"
# read -r -p "> " ASDF_NODEJS_VERSION
# export ASDF_NODEJS_VERSION=${ASDF_NODEJS_VERSION:-$DEFAULT_NODEJS_VERSION}

# printf "\\nWhich version of Ruby would you like to install?
# Available versions: https://raw.githubusercontent.com/postmodern/ruby-versions/master/ruby/versions.txt
# (Leave blank for default: %s)\\n" "$DEFAULT_RUBY_VERSION"
# read -r -p "> " ASDF_RUBY_VERSION
# export ASDF_RUBY_VERSION=${ASDF_RUBY_VERSION:-$DEFAULT_RUBY_VERSION}

printf "\\nLooks good. Here's what we've got so far.\\n"
printf "Computer name:     ==> [%s]\\n" "$COMPUTER_NAME"
printf "Host name:         ==> [%s]\\n" "$HOST_NAME"
printf "Time zone:         ==> [%s]\\n" "$TIME_ZONE"

echo
read -p "Continue? (y/n) " -n 1 -r
echo
if [[ ! "$REPLY" =~ ^[Yy]$ ]]; then
  echo "Exiting..."
  exit 1
fi


################################################################################
# Clone mac-bootstrap repo
################################################################################

bootstrap_echo "Cloning mac-bootstrap repo..."

if [ -d "$BOOTSTRAP_DIR" ]; then
  rm -rf "$BOOTSTRAP_DIR"
fi

git clone "$BOOTSTRAP_REPO_URL" "$BOOTSTRAP_DIR"


################################################################################
# 1. Provision with my adaptation of Laptop (install/laptop)
################################################################################

bootstrap_echo "Step 1: Installing Laptop script..."

sh "${BOOTSTRAP_DIR}/install/laptop" 2>&1 | tee ~/laptop.log

bootstrap_echo "Done!"


################################################################################
# 2. Install Oh My Zsh
################################################################################

bootstrap_echo "Step 2: Installing Oh My Zsh..."

if [ -d "${HOME}/.oh-my-zsh" ]; then
  rm -rf "${HOME}/.oh-my-zsh"
fi

git clone https://github.com/robbyrussell/oh-my-zsh.git "${HOME}/.oh-my-zsh"

if [ -d /usr/local/share/zsh ]; then
  bootstrap_echo "Setting permissions for /usr/local/share/zsh..."
  sudo chmod -R 755 /usr/local/share/zsh
fi

if [ -d /usr/local/share/zsh/site-functions ]; then
  bootstrap_echo "Setting permissions for /usr/local/share/zsh/site-functions..."
  sudo chmod -R 755 /usr/local/share/zsh/site-functions
fi

bootstrap_echo "Done!"


################################################################################
# 3. Set macOS preferences
################################################################################

bootstrap_echo "Step 3: Setting macOS preferences..."

# shellcheck source=/dev/null
# source "${BOOTSTRAP_DIR}/install/macos-defaults" # todo reenable

bootstrap_echo "Done!"

################################################################################
# 4. Setup dotfiles (https://github.com/JSaterdalen/dotfiles)
################################################################################

bootstrap_echo "Step 4: Installing dotfiles..."

if [[ -d $DOTFILES_DIR ]]; then
  bootstrap_echo "Backing up old dotfiles to ${HOME}/old_dotfiles_bak..."
  rm -rf "$OLD_DOTFILES_BAK"
  cp -R "$DOTFILES_DIR" "$OLD_DOTFILES_BAK"
  rm -rf "$DOTFILES_DIR"
fi

bootstrap_echo "Cloning dotfiles repo to ${DOTFILES_DIR} ..."

git clone "$DOTFILES_REPO_URL" "$DOTFILES_DIR"

# shellcheck source=/dev/null
source "${DOTFILES_DIR}/install.sh"

bootstrap_echo "Done!"

rm -rf "$BOOTSTRAP_DIR"

echo
echo "**********************************************************************"
echo "**********************************************************************"
echo "****                                                              ****"
echo "**** Mac Bootstrap script complete! Please restart your computer. ****"
echo "****                                                              ****"
echo "****         https://github.com/JSaterdalen/mac-bootstrap         ****"
echo "****                                                              ****"
echo "**********************************************************************"
echo "**********************************************************************"
echo