[port sync] syncing only one tree

[Bjarne D Mathiesen]

I've got these in my sources.conf :
    file:///Volumes/Bjarne/WebServer/MacPorts/newPorts
    rsync://rsync.macports.org/macports/release/tarballs/ports.tar
        [default]
where the file:///... (of course) is my development/testing tree, which
I have to sync very regularly.

Now, is it somehow possible to only do the "port -d sync" on this tree
?!? There's no reason for me to also sync [default] each and every time.

-- 
Bjarne D Mathiesen
Korsør ; Danmark ; Europa
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denne besked er skrevet i et (næsten) M$-frit miljø
MacOS X 10.13.6 High Sierra :
   17" 2011 MacBook Pro ; 2.8GHz Intel Core i7 ; 16GB 1067MHz DDR3
   2012 Mac Pro ; 2 x 3.46GHz 6-Core Xeon ; 48GB
MacOS X 10.6.8 Snow Leopard :
   Mac Mini ; 2GHz Core 2 Duo (64 bit) ; 4GB (3GB actual) 667MHz
   Mac Mini ; 1.83GHz Core Duo (32 bit) ; 2GB 667Mhz