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Diffstat (limited to 'doc')
| -rw-r--r-- | doc/manual/src/architecture/store/store.md | 18 |
1 files changed, 13 insertions, 5 deletions
diff --git a/doc/manual/src/architecture/store/store.md b/doc/manual/src/architecture/store/store.md index a3d9e2eeb..de12ac1dc 100644 --- a/doc/manual/src/architecture/store/store.md +++ b/doc/manual/src/architecture/store/store.md @@ -2,6 +2,8 @@ A Nix store is a collection of *store objects*. +## Store Object + A store object can hold - arbitrary *data* @@ -9,6 +11,16 @@ A store object can hold Nix makes no distinction if store objects are build inputs, build results, or build tasks. +Store objects are [immutable][immutable-object]: once created, they do not change until they are deleted. + +## Reference + +References to store objects are [opaque][opaque-data-type], [unique identifiers][unique-identifier]: +The only way to obtain references is by adding or building store objects. +A reference will always point to exactly one store object. + +## Operations + A Nix store can *add*, *retrieve*, and *delete* store objects. [ data ] @@ -46,11 +58,7 @@ As it keeps track of references, it can [garbage-collect][garbage-collection] un [ store ] --> collect garbage --> [ store' ] -Store objects are [immutable][immutable-object]: once created, they do not change until they are deleted. - -References are [opaque][opaque-data-type], [unique identifiers][unique-identifier]: -The only way to obtain references is by adding or building store objects. -A reference will always point to exactly one store object. +## Closure Nix stores have the *closure property*: for each store object in the store, all the store objects it references must also be in the store. |