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Diffstat (limited to 'doc/manual/src/glossary.md')
| -rw-r--r-- | doc/manual/src/glossary.md | 28 |
1 files changed, 18 insertions, 10 deletions
diff --git a/doc/manual/src/glossary.md b/doc/manual/src/glossary.md index b56d857d1..4eedb2e93 100644 --- a/doc/manual/src/glossary.md +++ b/doc/manual/src/glossary.md @@ -15,7 +15,7 @@ Example: `/nix/store/g946hcz4c8mdvq2g8vxx42z51qb71rvp-git-2.38.1.drv` - See [`nix show-derivation`](./command-ref/new-cli/nix3-show-derivation.md) (experimental) for displaying the contents of store derivations. + See [`nix derivation show`](./command-ref/new-cli/nix3-derivation-show.md) (experimental) for displaying the contents of store derivations. [store derivation]: #gloss-store-derivation @@ -54,7 +54,7 @@ invoked, the Nix store can be referred to as a "_local_" or a "_remote_" one: - + A *local store* exists on the filesystem of + + A [local store]{#gloss-local-store} exists on the filesystem of the machine where Nix is invoked. You can use other local stores by passing the `--store` flag to the `nix` command. Local stores can be used for building derivations. @@ -65,17 +65,17 @@ served by the `nix-serve` Perl script. [store]: #gloss-store + [local store]: #gloss-local-store - [chroot store]{#gloss-chroot-store}\ - A local store whose canonical path is anything other than `/nix/store`. + A [local store] whose canonical path is anything other than `/nix/store`. - [binary cache]{#gloss-binary-cache}\ A *binary cache* is a Nix store which uses a different format: its metadata and signatures are kept in `.narinfo` files rather than in a - Nix database. This different format simplifies serving store objects - over the network, but cannot host builds. Examples of binary caches - include S3 buckets and the [NixOS binary - cache](https://cache.nixos.org). + [Nix database]. This different format simplifies serving store objects + over the network, but cannot host builds. Examples of binary caches + include S3 buckets and the [NixOS binary cache](https://cache.nixos.org). - [store path]{#gloss-store-path}\ The location of a [store object] in the file system, i.e., an @@ -108,7 +108,7 @@ [fixed-output derivations](#gloss-fixed-output-derivation). - [substitute]{#gloss-substitute}\ - A substitute is a command invocation stored in the Nix database that + A substitute is a command invocation stored in the [Nix database] that describes how to build a store object, bypassing the normal build mechanism (i.e., derivations). Typically, the substitute builds the store object by downloading a pre-built version of the store object @@ -127,6 +127,14 @@ builder can rely on external inputs such as the network or the system time) but the Nix model assumes it. + - Nix database{#gloss-nix-database}\ + An SQlite database to track [reference]s between [store object]s. + This is an implementation detail of the [local store]. + + Default location: `/nix/var/nix/db`. + + [Nix database]: #gloss-nix-database + - [Nix expression]{#gloss-nix-expression}\ A high-level description of software packages and compositions thereof. Deploying software using Nix entails writing Nix @@ -175,9 +183,9 @@ - [validity]{#gloss-validity}\ A store path is valid if all [store object]s in its [closure] can be read from the [store]. - For a local store, this means: + For a [local store], this means: - The store path leads to an existing [store object] in that [store]. - - The store path is listed in the Nix database as being valid. + - The store path is listed in the [Nix database] as being valid. - All paths in the store path's [closure] are valid. [validity]: #gloss-validity |