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Merge pull request #8174 from NixOS/gloss-xp-features-note-installables

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Start cross-referencing experimental features
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John Ericson 2023-04-14 08:48:10 -04:00 • committed by GitHub
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@ -48,12 +48,17 @@ manual](https://nixos.org/manual/nix/stable/).
# Installables
> **Warning** \
> Installables are part of the unstable
> [`nix-command` experimental feature](@docroot@/contributing/experimental-features.md#xp-feature-nix-command),
> and subject to change without notice.
Many `nix` subcommands operate on one or more *installables*.
These are command line arguments that represent something that can be realised in the Nix store.
The following types of installable are supported by most commands:
- [Flake output attribute](#flake-output-attribute)
- [Flake output attribute](#flake-output-attribute) (experimental)
- [Store path](#store-path)
- [Nix file](#nix-file), optionally qualified by an attribute path
- [Nix expression](#nix-expression), optionally qualified by an attribute path
@ -63,6 +68,13 @@ That is, Nix will operate on the default flake output attribute of the flake in
### Flake output attribute
> **Warning** \
> Flake output attribute installables depend on both the
> [`flakes`](@docroot@/contributing/experimental-features.md#xp-feature-flakes)
> and
> [`nix-command`](@docroot@/contributing/experimental-features.md#xp-feature-nix-command)
> experimental features, and subject to change without notice.
Example: `nixpkgs#hello`
These have the form *flakeref*[`#`*attrpath*], where *flakeref* is a