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doc: explain the . attrPath prefix notation

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Tom Bereknyei 2023-08-19 17:19:52 -04:00
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doc/manual/src/release-notes/rl-next.md
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@ -22,3 +22,5 @@
- Introduce a new [`outputOf`](@docroot@/language/builtins.md#builtins-outputOf) builtin.
It is part of the [`dynamic-derivations`](@docroot@/contributing/experimental-features.md#xp-feature-dynamic-derivations) experimental feature.
- Introduce new flake installable syntax `flakeref#.attrPath` where the "." prefix denotes no searching of default attribute prefixes like `packages.<SYSTEM>` or `legacyPackages.<SYSTEM>`.

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src/nix/nix.md
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@ -132,6 +132,8 @@ subcommands, these are `packages.`*system*,
attributes `packages.x86_64-linux.hello`,
`legacyPackages.x86_64-linux.hello` and `hello`.
If *attrpath* begins with `.` then no prefixes or defaults are attempted. This allows the form *flakeref*[`#.`*attrpath*], such as `github:NixOS/nixpkgs#.lib.fakeSha256` to avoid a search of `packages.*system*.lib.fakeSha256`
### Store path
Example: `/nix/store/v5sv61sszx301i0x6xysaqzla09nksnd-hello-2.10`