20_ubuntu_apt.sh

# Ubuntu-only stuff. Abort if not Ubuntu.
is_ubuntu || return 1

# If the old files isn't removed, the duplicate APT alias will break sudo!
sudoers_old="/etc/sudoers.d/sudoers-cowboy"; [[ -e "$sudoers_old" ]] && sudo rm "$sudoers_old"

# Installing this sudoers file makes life easier.
sudoers_file="sudoers-dotfiles"
sudoers_src=$DOTFILES/conf/ubuntu/$sudoers_file
sudoers_dest="/etc/sudoers.d/$sudoers_file"
if [[ ! -e "$sudoers_dest" || "$sudoers_dest" -ot "$sudoers_src" ]]; then
  cat <<EOF
The sudoers file can be updated to allow "sudo apt-get" to be executed
without asking for a password. You can verify that this worked correctly by
running "sudo -k apt-get". If it doesn't ask for a password, and the output
looks normal, it worked.

THIS SHOULD ONLY BE ATTEMPTED IF YOU ARE LOGGED IN AS ROOT IN ANOTHER SHELL.

This will be skipped if "Y" isn't pressed within the next $prompt_delay seconds.
EOF
  read -N 1 -t $prompt_delay -p "Update sudoers file? [y/N] " update_sudoers; echo
  if [[ "$update_sudoers" =~ [Yy] ]]; then
    e_header "Updating sudoers"
    visudo -cf "$sudoers_src" &&
    sudo cp "$sudoers_src" "$sudoers_dest" &&
    sudo chmod 0440 "$sudoers_dest" &&
    echo "File $sudoers_dest updated." ||
    echo "Error updating $sudoers_dest file."
  else
    echo "Skipping."
  fi
fi

# Update APT.
e_header "Updating APT"
sudo apt-get -qq update
sudo apt-get -qq dist-upgrade

# Install APT packages.
packages=(
  ansible
  build-essential
  cowsay
  git-core
  htop
  id3tool
  libssl-dev
  mercurial
  nmap
  silversearcher-ag
  sl
  telnet
  tree
)

packages=($(setdiff "${packages[*]}" "$(dpkg --get-selections | grep -v deinstall | awk '{print $1}')"))

if (( ${#packages[@]} > 0 )); then
  e_header "Installing APT packages: ${packages[*]}"
  for package in "${packages[@]}"; do
    sudo apt-get -qq install "$package"
  done
fi

# Install Git Extras
if [[ ! "$(type -P git-extras)" ]]; then
  e_header "Installing Git Extras"
  (
    cd $DOTFILES/vendor/git-extras &&
    sudo make install
  )
fi