[xmonad] darcs patch: Separate source and build directories (and 1 more)

[Carsten Mattner]

On Wed, Jun 27, 2012 at 3:01 PM, Daniel Trstenjak
<daniel.trstenjak at googlemail.com> wrote:
>
>> Which directory is defined to be cleared on each login?
>
> XDG_RUNTIME_DIR: "The lifetime of the directory MUST be bound to the user
> being logged in." [1]
>
> That's not explicitly demanded for XDG_CACHE_HOME, but some systems
> might still do it, because of the "non-essential" data part, or put it
> for performance reasons on a ram disk, like they do with /tmp.
>
> From the specification it's just not that clear what someone can assume
> and what not.
>
> [1] http://standards.freedesktop.org/basedir-spec/basedir-spec-latest.html

I don't know the thought process when it was written but that sounds
a little useless. I don't use GNOME or KDE but haven't yet seen ~/.cache/yi
getting wiped.

Maybe we should ask Will Donnelly (dyre author) why he chose
XDG_CACHE_HOME.