Mine

nnutter@flow: ~/Applications $ port
sources_conf must be set in /opt/local/etc/ports/ports.conf or in your ~/.portsrc
            while executing"dportinit ui_options global_options global_variations"
Error: /Users/nnutter/Applications/MacPorts/System/bin/port: Failed to initialize ports system, sources_conf must be set in /opt/local/etc/ports/ports.conf or in your ~/.portsrc

nnutter@flow: ~/Applications $ port install netcdf
Error: Unable to execute port: wrong # args: should be "eval_variants variations"

nnutter@flow: ~/Applications $ port
can't read "darwinports::macports_user_dir": no such variable
    while executing
"file normalize "${darwinports::macports_user_dir}/history""
    (procedure "process_command_file" line 8)
    invoked from within
"process_command_file $in"
    (procedure "process_command_files" line 17)
    invoked from within
"process_command_files $ui_options(ports_commandfiles)"
    invoked from within
"if { $exit_status == 0 && [info exists ui_options(ports_commandfiles)] } {
        set exit_status [process_command_files $ui_options(ports_commandfiles)]}"
    (file "/Users/nnutter/Applications/MacPorts/System/bin/port" line 2630)