Re: Remove trailing newlines from pg_upgrade's messages

Greg Stark <stark@mit.edu> writes:
> On Wed, 15 Jun 2022 at 11:54, Tom Lane <tgl@sss.pgh.pa.us> wrote:
>> Yeah, that is sort of the inverse problem.  I think those are there
>> to ensure that the text appears on a fresh line even if the current
>> line has transient status on it.  We could get rid of those perhaps
>> if we teach pg_log_v to remember whether it ended the last output
>> with a newline or not, and then put out a leading newline only if
>> necessary, rather than hard-wiring one into the message texts.

> Is the problem that pg_upgrade doesn't know what the utilities it's
> calling are outputting to the same terminal?

Hmmm ... that's a point I'd not considered, but I think it's not an
issue here.  The subprograms generally have their output redirected
to their own log files.

            regards, tom lane