osx_port

#!/usr/bin/env bash

requirements_port_lib_installed()
{
  port installed | GREP_OPTIONS="" \grep "^\s*${1} @" >/dev/null || return $?
}

requirements_port_libs_install()
{
  __rvm_try_sudo port install "$@" || return $?
}

requirements_port_libs_ensure()
{
  typeset -a packages_installed packages_missing packages_to_install
  __rvm_filter_installed_packages port "$@" ||
  {
    typeset ret=$?
    # TODO: offer more help!
    rvm_warn "There were package installation errors, make sure to read the log."
    return $ret
  }
}

requirements_port_libs_default()
{
  typeset -a port_libs
  port_libs=(
    autoconf automake libtool pkgconfig
  )
  # install gcc-4.2 only if not yet available
  if
    __rvm_compiler_is_llvm
  then
    port_libs+=( apple-gcc42 )
  fi
  port_libs+=(
    libiconv libyaml libffi readline libxml2 libxslt libksba openssl curl-ca-bundle sqlite3 zlib ncurses gdbm
  )
  requirements_port_libs_ensure  "${port_libs[@]}" || return $?
  __rvm_update_configure_opt_dir "$1" "/opt/local" || return $?
}

requirements_port_install_port()
{
  typeset macports_version
  set -o pipefail
  macports_version="$(
    curl https://distfiles.macports.org/MacPorts/ |
    grep -Eo "<a href=\"MacPorts-[[:digit:]\.]+.tar.bz2\">" |
    awk -F'"' '{print $2}' | sort | tail -n 1
  )" #'
  macports_version="${macports_version%.tar.bz2}"
  : macports_version:${macports_version:=MacPorts-2.1.3}
  mkdir "${rvm_src_parth}/${macports_version}"
  cd    "${rvm_src_parth}/${macports_version}"
  curl -LO "https://distfiles.macports.org/MacPorts/${macports_version}.tar.bz2" |
  tar -xj --strip 1 &&
  ./configure &&
  make &&
  __rvm_try_sudo make install ||
  return $?
}

requirements_port_route_install()
{
  case "$1" in
    (update-system)
      __rvm_try_sudo port -dv selfupdate || return $?
      ;;
    (rvm)
      # FIXME: requirements for rvm
      true
      ;;
    (jruby*)
      which java >/dev/null 2>&1 || return $?
      ;;
    (ir*)
      which mono >/dev/null 2>&1 || return $?
      ;;
    (opal)
      requirements_port_libs_ensure node
      ;;
    (*)
      requirements_port_libs_default "$1"
      ;;
  esac
}

requirements_port_ensure_port_available()
{
  which port >/dev/null ||
  {
    rvm_requiremnts_fail_or_run_action \
      "Requested installation with macports libs, but macports is not available." \
      __rvm_log_command port_install "Installing macports" requirements_port_install_port ||
      return $?
  }
}

requirements_osx_port()
{
  requirements_port_ensure_port_available || return $?
  __rvm_requirements_iterate requirements_port_route_install "$@" || return $?
}