+ $ bup web unix://socket &
+ Serving HTTP on filesystem socket 'socket'
+ $ curl --unix-socket ./socket http://localhost/
+ $ fg
+ bup web unix://socket
+ ^C
+ Interrupted.
+
+ $ bup web &
+ [1] 30980
+ Serving HTTP on 127.0.0.1:8080...
+ $ kill -s TERM 30980
+ Shutdown requested
+ $ wait 30980
+ $ echo $?
+ 0