Flakes: Difference between revisions

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Running <code>nix build</code> will look in the <code>legacyPackages</code> and <code>packages</code> output attributes for the corresponding [[derivation]] and then your system architecture and build the default output. If you want to specify a build attribute in a flake repository, you can run <code>nix build .#<attr></code>. In the example above, if you wanted to build the <code>packages.x86_64-linux.hello</code> attribute, run:

Running <code>nix build</code> will look in the <code>legacyPackages</code> and <code>packages</code> output attributes for the corresponding [[derivations|derivation]] and then your system architecture and build the default output. If you want to specify a build attribute in a flake repository, you can run <code>nix build .#<attr></code>. In the example above, if you wanted to build the <code>packages.x86_64-linux.hello</code> attribute, run:

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* <code>builtins.currentSystem</code> is non-hermetic and impure as it reflects the host system performing the ~~evauluation~~. This can usually be avoided by passing the system (i.e., x86_64-linux) explicitly to derivations requiring it.

* <code>builtins.currentSystem</code> is non-hermetic and impure as it reflects the host system performing the evaluation. This can usually be avoided by passing the system (i.e., x86_64-linux) explicitly to derivations requiring it.

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-Running <code>nix build</code> will look in the <code>legacyPackages</code> and <code>packages</code> output attributes for the corresponding [[derivation]] and then your system architecture and build the default output. If you want to specify a build attribute in a flake repository, you can run <code>nix build .#<attr></code>. In the example above, if you wanted to build the <code>packages.x86_64-linux.hello</code> attribute, run:
+Running <code>nix build</code> will look in the <code>legacyPackages</code> and <code>packages</code> output attributes for the corresponding [[derivations|derivation]] and then your system architecture and build the default output. If you want to specify a build attribute in a flake repository, you can run <code>nix build .#<attr></code>. In the example above, if you wanted to build the <code>packages.x86_64-linux.hello</code> attribute, run:
 </translate>
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-* <code>builtins.currentSystem</code> is non-hermetic and impure as it reflects the host system performing the evauluation. This can usually be avoided by passing the system (i.e., x86_64-linux) explicitly to derivations requiring it.
+* <code>builtins.currentSystem</code> is non-hermetic and impure as it reflects the host system performing the evaluation. This can usually be avoided by passing the system (i.e., x86_64-linux) explicitly to derivations requiring it.
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