Peter Eisentraut <peter_e(at)gmx(dot)net> writes:
> pg_rewind: Don't error if the two clusters are already on the same timeline
> This previously resulted in an error and a nonzero exit status, but
> after discussion this should rather be a noop with a zero exit status.
Hm, if we're going to do that, shouldn't we back-patch the behavior
change into 9.5 as well?
regards, tom lane