> The only thing that I can think of would be if $decompress_program
> --test were failing, but actually trying to decompress succeeded. I
> would be inclined to dismiss that particular scenario as not important
> enough to be worth the additional CPU cycles.
When I wrote this test, it was just to increase coverage for pg_basebackup.
As I checked again, it already does that in the pg_verifybackup
008_untar.pl, 009_extrack.pl test you mentioned.
Therefore, I agree with your opinion.
---
Regards,
DongWook Lee.