pg_resetwal: Improve error with wrong/missing data directory
Run chdir() before permission check to get a less confusing error
message if the specified data directory does not exist.
Reviewed-by: Aleksander Alekseev <aleksander@timescale.com>
Discussion: https://www.postgresql.org/message-id/flat/
0f3ab4a1-ae80-56e8-3426-
6b4a02507687@eisentraut.org