calculating object reachability is computationally expensive.
Defaults to `false`.
+uploadpack.allowAnySHA1InWant::
+ Allow `upload-pack` to accept a fetch request that asks for any
+ object at all.
+ Defaults to `false`.
+
uploadpack.keepAlive::
When `upload-pack` has started `pack-objects`, there may be a
quiet period while `pack-objects` prepares the pack. Normally