# If new packages are installed by BootstrapRpmCommonBase below, version
# numbers in rpm_common.sh and rpm_python3.sh must be increased.

# Sets TOOL to the name of the package manager
# Sets appropriate values for YES_FLAG and QUIET_FLAG based on $ASSUME_YES and $QUIET_FLAG.
# Enables EPEL if applicable and possible.
InitializeRPMCommonBase() {
  if type dnf 2>/dev/null
  then
    TOOL=dnf
  elif type yum 2>/dev/null
  then
    TOOL=yum

  else
    error "Neither yum nor dnf found. Aborting bootstrap!"
    exit 1
  fi

  if [ "$ASSUME_YES" = 1 ]; then
    YES_FLAG="-y"
  fi
  if [ "$QUIET" = 1 ]; then
    QUIET_FLAG='--quiet'
  fi

  if ! $TOOL list *virtualenv >/dev/null 2>&1; then
    echo "To use Certbot, packages from the EPEL repository need to be installed."
    if ! $TOOL list epel-release >/dev/null 2>&1; then
      error "Enable the EPEL repository and try running Certbot again."
      exit 1
    fi
    if [ "$ASSUME_YES" = 1 ]; then
      /bin/echo -n "Enabling the EPEL repository in 3 seconds..."
      sleep 1s
      /bin/echo -ne "\e[0K\rEnabling the EPEL repository in 2 seconds..."
      sleep 1s
      /bin/echo -e "\e[0K\rEnabling the EPEL repository in 1 second..."
      sleep 1s
    fi
    if ! $TOOL install $YES_FLAG $QUIET_FLAG epel-release; then
      error "Could not enable EPEL. Aborting bootstrap!"
      exit 1
    fi
  fi
}

BootstrapRpmCommonBase() {
  # Arguments: whitespace-delimited python packages to install

  InitializeRPMCommonBase # This call is superfluous in practice

  pkgs="
    gcc
    augeas-libs
    openssl
    openssl-devel
    libffi-devel
    redhat-rpm-config
    ca-certificates
  "

  # Add the python packages
  pkgs="$pkgs
    $1
  "

  if $TOOL list installed "httpd" >/dev/null 2>&1; then
    pkgs="$pkgs
      mod_ssl
    "
  fi

  if ! $TOOL install $YES_FLAG $QUIET_FLAG $pkgs; then
    error "Could not install OS dependencies. Aborting bootstrap!"
    exit 1
  fi
}