#!/bin/bash -e

. /usr/share/debconf/confmodule

case "$1" in
  purge)
    db_purge
  ;;

  remove)
    odbcinst -u -d -n "ODBC Driver 18 for SQL Server"
	db_purge
  ;;

  upgrade)
    odbcinst -u -d -n "ODBC Driver 18 for SQL Server"
  ;;

  abort-install)
    # No need to call odbcinst to remove the driver entry, the driver hasn't been added yet.
    # It would also break the existing Driver 13 installation (installed in an old way).
	db_purge
  ;;

  abort-upgrade)
    # if the user doesn't accept the license we need to set it back to accepted (the state of the
    # old package should stay the same).
    db_set msodbcsql/accept_eula true

    if [ "$2" = "13.0.0.0.preview-1" ]; then
        # Because the 13.0.0.0.preview-1 package adds the driver to odbcinst.ini unconditionally,
        # it will increase the count upon an unsuccessful upgrade. We need to decrease the count here.
        odbcinst -u -d -n "ODBC Driver 13 for SQL Server"
    fi
  ;;

  failed-upgrade|disappear)
  ;;

  *)
    echo "postrm called with an unknown argument '$1'" >&2
    exit 1
esac

exit 0