Re: cross-platform pg_basebackup

Robert Haas <robertmhaas(at)gmail(dot)com> writes:
> However, I think we could relax the check a little bit, something
> along the lines of !is_nonwindows_absolute_path(cell->old_dir) &&
> !is_windows_absolute_path(dir). We can't actually know whether the
> remote side is Windows or non-Windows, but if the string we're given
> is plausibly an absolute path under either set of conventions, it's
> probably fine to just search the list for it and see if it shows up.

Seems reasonable.

> This would have the disadvantage that if a Linux user creates a
> tablespace directory inside $PGDATA and gives it a name like
> /home/rhaas/pgdata/C:\Program Files\PostgreSQL\Data, and then attempts
> a backup with '-TC:\Program Files\PostgreSQL\Data=/tmp/ts1' it will
> not relocate the tablespace, yet the user won't get a message
> explaining why. I'm prepared to dismiss that scenario as "not a real
> use case".

Agreed.

regards, tom lane