remotes: move refcaching to disk

This speeds up a lot of operations substantially, at the cost of
occasionally being wrong for a little while when new packages are
added/removed from the repositories. Mostly, this is for the sake of
the completions.

1 files changed, 4 insertions, 0 deletions

diff --git a/man/asp.1.txt b/man/asp.1.txt
index ef978bf..6bd2a76 100644
--- a/man/asp.1.txt
+++ b/man/asp.1.txt
@@ -100,6 +100,10 @@ Environment
 	Determines where the metadata is stored for locally tracked packages. Defaults
 	to '$HOME/asp'.
 
+*ASPCACHE*::
+	Determines where cached data is stored. Defaults to '$ASPROOT/cache'. Data in
+	this directory can always be safely deleted.
+
 Authors
 -------
 Dave Reisner <d@falconindy.com>