Yes, -R is already used in pg_basebackup for the same functionality, so it seems natural to use it here as well for consistency.
I will review options naming in my own patch and update it accordingly. Maybe -w/-W or -a/-A options will be good, since it's about WALs retrieval from archive.
Thanks
Regards -- Alexey
P.S. Just noticed that in v12 fullname of -R option in pg_basebackup is still --write-recovery-conf, which is good for a backward compatibility, but looks a little bit awkward, since recovery.conf doesn't exist already, doesn't it? However, one may read it as 'write-recovery-configuration', then it seems fine.
Yes, here is the description
"--write-recovery-conf write configuration for replication"
So we do not mention that is the file recovery.conf. People do not know
about the recovery.conf history might really not be confused since
