# /opt/local/bin/port -d selfupdate
DEBUG: Rebuilding the MacPorts base system if needed.
Synchronizing from rsync://rsync.darwinports.org/dpupdate/dports
sh: line 1: /sw/bin/rsync: No such file or directory
DEBUG: Couldn't sync dports tree: sync failed doing rsync
    while executing
"darwinports::selfupdate [array get global_options]"
Error: /opt/local/bin/port: selfupdate failed: Couldn't sync dports tree: sync failed doing rsync