setenv

#!/bin/sh

case "$-" in
*i*);;
*) exit 1;;
esac

if test -n "${VIRTUAL_ENV}"; then
  echo >&2 "You are already in a VIRTUAL_ENV: ${VIRTUAL_ENV}."
  return 1
fi

__old_pwd="$(pwd)"

if ! test -f "${__old_pwd}/setenv"; then
  echo >&2 "This does not look like the QUISP directory."
  return 1
fi

if which omnetpp >/dev/null 2>/dev/null; then
eval "activate () {
  export PATH=\"${__old_pwd}/bin:$PATH\"
  export HOSTNAME
  export HOST
  export VIRTUAL_ENV=\"quisp\"

  deactivate () {
    export PATH=\"$PATH\"
    unset VIRTUAL_ENV
    unset -f deactivate
  }

  unset -f activate
}"
else
  while true; do
    cd ..
    __omnetpp_setenv="$(find -L . -maxdepth 2 -type f -name 'setenv' -path '*omnetpp*' 2>/dev/null | head -n1)"
    if [ -n "${__omnetpp_setenv}" ]; then
      # __omnetpp_root="$(realpath "$(dirname "${__omnetpp_setenv}")")"
      __omnetpp_root="$(cd "$(dirname "${__omnetpp_setenv}")" && pwd)"
      cd "${__old_pwd}"
      break
    fi
    if [ "$(pwd)" = "/" ]; then
      cd "${__old_pwd}"
      echo "Could not find OmNET++"
      return 1
    fi
  done

eval "activate () {
  if [ `uname` = \"Darwin\" ]; then
    export PATH=\"${__omnetpp_root}/tools/macosx/bin:$PATH\"
    export QT_PLUGIN_PATH=\"${__omnetpp_root}/tools/macosx/plugins\"
  else
    export PATH=\"$PATH\"
  fi
  export PATH=\"${__old_pwd}/bin:${__omnetpp_root}/bin:\$PATH\"
  export HOSTNAME
  export HOST
  export VIRTUAL_ENV=\"quisp\"

  deactivate () {
    export PATH=\"$PATH\"
    unset QT_PLUGIN_PATH ||true
    unset VIRTUAL_ENV
    unset -f deactivate
  }
  unset -f activate
}"
fi

activate