/usr/share/voms/upgrade1to2 is in voms-server 2.1.0~rc0-4.
This file is owned by root:root, with mode 0o755.
The actual contents of the file can be viewed below.
| 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 | #!/bin/sh
# MySQL install prefix
MYSQL_HOME=/usr
# VOMS database
voms_database="voms"
# MySQL admin user
mysql_username_admin="root"
mysql_password_admin=""
TEMP=`getopt -o h --long mysql-home:,db:,mysql-admin:,mysql-pwd: -n 'upgrade1to2' -- "$@"`
if [ $? != 0 ] ; then echo "Terminating..." >&2 ; exit 1 ; fi
eval set -- "$TEMP"
while true ; do
    case "$1" in
	--mysql-home)             MYSQL_HOME=$2              ; shift 2 ;;
	--db)                     voms_database=$2           ; shift 2 ;;
	--mysql-admin)            mysql_username_admin=$2    ; shift 2 ;;
	--mysql-pwd)              mysql_password_admin=$2    ; shift 2 ;;
	--)                       shift                      ; break   ;;
	*)                        echo "Internal Error!" >&2 ; exit 1  ;;
    esac
done
# MySQL client
if test -z $mysql_password_admin ; then
   MYSQLADMIN="$MYSQL_HOME/bin/mysqladmin -u $mysql_username_admin"
   MYSQL="$MYSQL_HOME/bin/mysql -u $mysql_username_admin"
else
   MYSQLADMIN="$MYSQL_HOME/bin/mysqladmin -u $mysql_username_admin -p$mysql_password_admin"
   MYSQL="$MYSQL_HOME/bin/mysql -u $mysql_username_admin -p$mysql_password_admin"
fi
# Update Database
$MYSQL -e "
  USE $voms_database;
  ALTER TABLE m CHANGE uid userid bigint(20);
  ALTER TABLE usr CHANGE uid userid bigint(20);
  ALTER TABLE usrd CHANGE uid userid bigint(20);
  UPDATE version SET version=2;"
 |