The oil feed to the turbo is a steel line, not a hose. The line should not have broke.
New EJ255, 257 can be had for around $1900. then a gasket set $250, rebuild the heads,$1000.
the rest is labor and a turbo.
I got a vf52 for $1300, i think.
BNRturbo sells a 16g for around $800 I think.
Here's my thread form last May.
196k, 5/20/12 new ej257 short block, 8/20/11 installed VF52 turbo, @20.8psi, 280whp, 300ftlbs. CHECK your oil, these cars use it.
Engine Build - Click Here