DEBUG: process_cmd failed: can't read "string": no such variable

[ryandesign (Ryan Carsten Schmidt)]

​https://build.macports.org/builders/ports-11_x86_64-builder/builds/30991/steps/install-port/logs/stdio

DEBUG: process_cmd failed: can't read "string": no such variable
    while executing
"return $string"
    (procedure "wrapline" line 7)
    invoked from within
"wrapline $line $maxlen $indent $indentline"
    (procedure "wrap" line 15)
    invoked from within
"wrap "Follow https://guide.macports.org/#project.tickets if you believe there is a bug." -${len}"
    (procedure "print_tickets_url" line 4)
    invoked from within
"print_tickets_url"
    ("uplevel" body line 82)
    invoked from within
"uplevel 1 $block"
    (procedure "foreachport" line 20)
    invoked from within
"foreachport $portlist {
        array unset portinfo
        # If we have a url, use that, since it's most specific
        # otherwise try to map the..."
    (procedure "action_target" line 10)
    invoked from within
"$action_proc $action $portlist [array get global_options]"
    (procedure "process_cmd" line 110)
    invoked from within
"process_cmd $remaining_args"
    ("uplevel" body line 3)
    invoked from within
"uplevel 1 $body"
Error: process_cmd failed: can't read "string": no such variable

[jmroot (Joshua Root)]

Funnily enough this bug has existed since 2008, it was only exposed by more recent changes.

[jmroot (Joshua Root)]

In 13eeabd652a9fcf53fdfd7d51d14e9d425beabbe/macports-base (master):

Fix error in wrapline with no COLUMNS set

Closes: #62935