[llvm-dev] [Path] RFC: Known directories

[Aaron Ballman via llvm-dev]

On Mon, Nov 23, 2015 at 3:07 PM, Rafael Espíndola
<rafael.espindola at gmail.com> wrote:
>> We appear to use both system_temp_directory(true) and
>> system_temp_directory(false) in ways that seem like they could matter.
>> For instance, modules uses a temp directory that does not get erased
>> on reboot, possibly for performance reasons. Do we gain something from
>> deprecating system_temp_directory()?
>
> I have a small preference for having the distinction in the name:
>
> *_temp_* -> something that is one use and potentially deleted often
> *_cache_* -> something we would like to save (modules for example).
>
> So what we gain is clarity over a bool parameter.

We already have user_cache_directory, and it means something different
than system_temp_directory(false) today.

~Aaron