If we don't do this, the rewind fails if the server wasn't cleanly shut down, which seems unhelpful serving no purpose.
Also provide a new option --no-ensure-shutdown to suppress this behavior, for alleged advanced usage that prefers to avoid the crash recovery.
Authors: Paul Guo, Jimmy Yih, Ashwin Agrawal
5adafaf176 Have pg_rewind run crash recovery before rewinding
doc/src/sgml/ref/pg_rewind.sgml | 15 ++++++++
src/bin/pg_rewind/pg_rewind.c | 80 +++++++++++++++++++++++++++++++++++++++++
2 files changed, 95 insertions(+)