setup.sh

#!/bin/sh

#inspired by thoughtbot laptop script

fancy_echo() {
  local fmt="$1"; shift

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

brew_install_or_upgrade() {
  if brew_is_installed "$1"; then
    if brew_is_upgradable "$1"; then
      fancy_echo "Upgrading %s ..." "$1"
      brew upgrade "$@"
    else
      fancy_echo "Already using the latest version of %s. Skipping ..." "$1"
    fi
  else
    fancy_echo "Installing %s ..." "$1"
    brew install "$@"
  fi
}

brew_is_installed() {
  local name="$(brew_expand_alias "$1")"

  brew list -1 | grep -Fqx "$name"
}

brew_is_upgradable() {
  local name="$(brew_expand_alias "$1")"

  ! brew outdated --quiet "$name" >/dev/null
}

brew_expand_alias() {
  brew info "$1" 2>/dev/null | head -1 | awk '{gsub(/:/, ""); print $1}'
}

brew_install_or_upgrade 'ocaml'
brew_install_or_upgrade 'opam'

opam init
opam switch system
eval `opam config env`

opam update --use-internal-solver

opam install camlp4 core ounit

fancy_echo "Installation complete. Refresh your source, then run make to build
the project"