pg_upgrade: fix CopyFile() on Windows to fail on file existence

Bruce Momjian <bruce@momjian.us>

Commit: 0ca3c51e5520b423b17f498f6390129659ef68e0
Author: Bruce Momjian <bruce@momjian.us>
Date: 2015-11-24T22:18:27Z
Releases: 9.2.15
pg_upgrade:  fix CopyFile() on Windows to fail on file existence

Also fix getErrorText() to return the right error string on failure.
This behavior now matches that of other operating systems.

Report by Noah Misch

Backpatch through 9.1

Files

PathChange+/−
contrib/pg_upgrade/file.c modified +1 −1
contrib/pg_upgrade/util.c modified +2 −0