Linux Laptop Setup

linux.sh

#!/usr/bin/env zsh

# Common functions

is_successfully() {
  $* || (echo "\nfailed" 1>&2 && exit 1)
}

new_line_echo() {
  echo "\n$1"
}

# Distro check

if ! grep -qiE 'precise|quantal|wheezy|raring|jessie' /etc/os-release
then
  new_line_echo "Sorry! we don't currently support that distro."
  exit 1
fi

# Debian package update

new_line_echo "Updating system packages ..."
  if command -v aptitude >/dev/null; then
    new_line_echo "Using aptitude ..."
  else
    new_line_echo "Installing aptitude ..."
    is_successfully sudo apt-get install -y aptitude
  fi
  is_successfully sudo aptitude update
  is_successfully sudo aptitude -y dist-upgrade

# Install debian derivative packages

new_line_echo "Installing git, for source control management ..."
  is_successfully sudo aptitude install -y git

new_line_echo "Installing base ruby build dependencies ..."
  is_successfully sudo aptitude build-dep -y ruby1.9.3

new_line_echo "Installing libraries for common gem dependencies ..."
  is_successfully sudo aptitude install -y libxslt1-dev libcurl4-openssl-dev libksba8 libksba-dev libqtwebkit-dev

new_line_echo "Installing Postgres, a good open source relational database ..."
  is_successfully sudo aptitude install -y postgresql postgresql-server-dev-all

new_line_echo "Installing Redis, a good key-value database ..."
  is_successfully sudo aptitude install -y redis-server

new_line_echo "Installing ImageMagick, to crop and resize images ..."
  is_successfully sudo aptitude install -y imagemagick

new_line_echo "Installing watch, to execute a program periodically and show the output ..."
  is_successfully sudo aptitude install -y watch

# Install rbenv

new_line_echo "Installing rbenv, to change Ruby versions ..."
  is_successfully git clone git://github.com/sstephenson/rbenv.git ~/.rbenv

  if ! grep -qs "rbenv init" ~/.zshrc; then
    is_successfully echo 'export PATH="$HOME/bin:$HOME/.rbenv/bin:$PATH"' >> ~/.zshrc

    is_successfully echo 'eval "$(rbenv init -)"' >> ~/.zshrc
  fi

  source ~/.zshrc

new_line_echo "Installing rbenv-gem-rehash so the shell automatically picks up binaries after installing gems with binaries..."
  is_successfully git clone https://github.com/sstephenson/rbenv-gem-rehash.git ~/.rbenv/plugins/rbenv-gem-rehash

new_line_echo "Installing ruby-build, to install Rubies ..."
  is_successfully git clone git://github.com/sstephenson/ruby-build.git ~/.rbenv/plugins/ruby-build

# Install ruby environment

new_line_echo "Installing Ruby 2.0.0-p247 ..."
  is_successfully rbenv install 2.0.0-p247

new_line_echo "Setting Ruby 2.0.0-p247 as global default Ruby ..."
  is_successfully rbenv global 2.0.0-p247
  is_successfully rbenv rehash

new_line_echo "Updating to latest Rubygems version ..."
  is_successfully gem update --system

new_line_echo "Installing critical Ruby gems for Rails development ..."
  is_successfully gem install bundler pg rails unicorn --no-document