mint-setup.sh

#!/usr/bin/env bash

# Personal script to setup Linux Mint
# and install bunch of tools.

set -euo pipefail

echoerr() { echo "$@" 1>&2; }

ensure_sudo() {
  if [[ $UID != 0 ]]; then
    echoerr "Script must be run with sudo:"
    echoerr "sudo $0 $*"
    exit 1
  fi
}

echoversion() {
  echo
  echo "$1 installed: $2"
  echo
}

get_ubuntu_codename() {
  local UBUNTU_CODENAME

  # For Linux Mint we need the underlying Ubuntu version
  UBUNTU_CODENAME="$(. /etc/os-release && echo "$UBUNTU_CODENAME")"

  # Otherwise we get normal codename
  if [[ -z "$UBUNTU_CODENAME" ]]; then
    UBUNTU_CODENAME="$(lsb_release -cs)"
  fi

  if [[ -z "$UBUNTU_CODENAME" ]]; then
    echoerr "Could not determine Ubuntu codename"
    exit 1
  fi

  echo "$UBUNTU_CODENAME"
}

install_git() {
  echo "Installing Git from PPA repository..."

  add-apt-repository -y ppa:git-core/ppa
  apt update
  apt install -y git

  echoversion "Git" "$(git --version)"
}

install_docker() {
  echo "Installing Docker..."

  apt update
  apt install -y apt-transport-https ca-certificates curl gnupg-agent software-properties-common

  curl -fsSL https://download.docker.com/linux/ubuntu/gpg | apt-key add -
  add-apt-repository -y "deb https://download.docker.com/linux/ubuntu $UBUNTU_CODENAME stable"

  apt update
  apt install -y docker-ce docker-ce-cli containerd.io

  groupadd docker || true
  usermod -aG docker "$(logname)"

  systemctl enable docker

  echoversion "Docker" "$(docker --version)"
}

install_docker_compose() {
  echo "Installing Docker Compose..."

  curl -L "https://github.com/docker/compose/releases/download/1.24.1/docker-compose-$(uname -s)-$(uname -m)" -o /usr/local/bin/docker-compose
  chmod +x /usr/local/bin/docker-compose

  curl -L https://raw.githubusercontent.com/docker/compose/1.24.1/contrib/completion/bash/docker-compose -o /etc/bash_completion.d/docker-compose

  echoversion "Docker Compose" "$(docker-compose --version)"
}

install_fish() {
  echo "Installing fish..."

  apt-add-repository -y ppa:fish-shell/release-3
  apt update
  apt install -y fish

  echo /usr/bin/fish | tee -a /etc/shells

  echoversion "fish" "$(fish --version)"
}

install_other_tools() {
  echo "Installing other tools..."

  add-apt-repository -y ppa:inkscape.dev/stable

  apt update
  apt install -y inkscape fonts-powerline jq graphviz
}

final_notes() {
  echo
  echo
  echo "Setup completed."
  echo

  echo "Execute:"
  printf "\t%s\n" "chsh -s /usr/bin/fish"
  echo "to change default shell to fish"
  echo

  echo "Reboot to finish initialization of all components."
  echo
}

main() {
  ensure_sudo "$@"

  UBUNTU_CODENAME=$(get_ubuntu_codename)
  echo "Ubuntu codename is $UBUNTU_CODENAME"
  echo

  install_git
  install_docker
  install_docker_compose
  install_fish
  install_other_tools

  final_notes
}

main "$@"