define expected_grants = "&1"

declare

c_expected_grants constant dbmsoutput_linesarray := dbmsoutput_linesarray( &expected_grants );

l_expected_grants dbmsoutput_linesarray := c_expected_grants;

l_missing_grants varchar2(4000);

begin

if user != SYS_CONTEXT('userenv','current_schema') then

for i in 1 .. l_expected_grants.count loop

if l_expected_grants(i) != 'ADMINISTER DATABASE TRIGGER' then

l_expected_grants(i) := replace(l_expected_grants(i),' ',' ANY ');

end if;

end loop;

end if;

select listagg(' - '||privilege,CHR(10)) within group(order by privilege)

into l_missing_grants

from (

select column_value as privilege

from table(l_expected_grants)

minus

(select privilege

from user_sys_privs

union all

select replace(privilege,' ANY') privilege

from user_sys_privs)

);

if l_missing_grants is not null then

raise_application_error(

-20000

, 'The following privileges are required for user "'||user||'" to install into schema "'||SYS_CONTEXT('userenv','current_schema')||'"'||CHR(10)

||l_missing_grants

||'Please read the installation documentation at http://utplsql.org/utPLSQL/'

);

end if;

end;

/