sql-import.php

<?php

/**
 * Command callback for sql-import.
 */
function drush_sql_import($local_file) {
  if (!drush_confirm(dt('Do you really want to drop all tables and import !dump_file?', array('!dump_file' => $local_file)))) {
    return drush_user_abort();
  }
  _drush_sql_drop();

  // Generate the import command
  $import_command = _drush_sql_connect();
  switch (_drush_sql_get_scheme()) {
  case 'mysql':
    $import_command .= ' --silent';
    break;
  case 'pgsql':
    $import_command .= ' -q';
    break;
  }
  if (drush_shell_exec(sprintf('gzip -t "%s"', $local_file))) {
    $import_exec = 'gunzip -c ';
  }
  else {
    $import_exec = 'cat ';
  }
  $import_exec .= $local_file . '| ' . $import_command;

  drush_op_system($import_exec);

  if (drush_get_option('sanitize', FALSE)) {
    drush_sql_sanitize();
  }
}