blob_zero(&extra);
  zCmd = g.argv[2];
  if( strncmp(zCmd, "list", n)==0 || strncmp(zCmd,"ls",n)==0 ){
    zCmd = "list";
    useCheckouts = find_option("ckout","c",0)!=0;
  }else if( strncmp(zCmd, "push", n)==0 ){
    zCmd = "push -autourl -R";
    collect_argument(&extra, "verbose");
  }else if( strncmp(zCmd, "pull", n)==0 ){
    zCmd = "pull -autourl -R";
    collect_argument(&extra, "verbose");
  }else if( strncmp(zCmd, "rebuild", n)==0 ){
    zCmd = "rebuild";
    collect_argument(&extra, "cluster");
    collect_argument(&extra, "compress");
    collect_argument(&extra, "noverify");
    collect_argument_value(&extra, "pagesize");
    collect_argument(&extra, "vacuum");
    collect_argument(&extra, "deanalyze");
    collect_argument(&extra, "wal");
    collect_argument(&extra, "stat");
  }else if( strncmp(zCmd, "sync", n)==0 ){
    zCmd = "sync -autourl -R";
    collect_argument(&extra, "verbose");
  }else if( strncmp(zCmd, "test-integrity", n)==0 ){
    zCmd = "test-integrity";
  }else if( strncmp(zCmd, "test-orphans", n)==0 ){
    zCmd = "test-orphans -R";
  }else if( strncmp(zCmd, "test-missing", n)==0 ){
    zCmd = "test-missing -q -R";
    collect_argument(&extra, "notshunned");