That would be nice - and right now I don't think it is possible.
Yesterday I was running into the same problem and I was thinking that
one way to have it happen woudl be that if you are in an application
taht sinan would recognize it and build only that application. If you
are are outside of an app sinan would build the whole tree. Basically
sinan would regress from the current directory until it recognizes
where it is and then it would build. That seems to me to be the most