Dummy Store
Store URL format: dummy://
This store type represents a store that contains no store paths and cannot be written to. It's useful when you want to use the Nix evaluator when no actual Nix store exists, e.g.
# nix eval --store dummy:// --expr '1 + 2'
Settings
-
Size of the in-memory store path metadata cache.
Default:
65536
-
Priority of this store when used as a substituter. A lower value means a higher priority.
Default:
0
-
Logical location of the Nix store, usually
/nix/store
. Note that you can only copy store paths between stores if they have the samestore
setting.Default:
/nix/store
-
Optional system features available on the system this store uses to build derivations.
Example:
"kvm"
Default: machine-specific
-
Whether paths from this store can be used as substitutes even if they are not signed by a key listed in the
trusted-public-keys
setting.Default:
false
-
Whether this store can be queried efficiently for path validity when used as a substituter.
Default:
false