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13 lines
570 B
Markdown
13 lines
570 B
Markdown
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---
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synopsis: Add new `eval-system` setting
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prs: 4093
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---
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Add a new `eval-system` option.
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Unlike `system`, it just overrides the value of `builtins.currentSystem`.
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This is more useful than overriding `system`, because you can build these derivations on remote builders which can work on the given system.
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In contrast, `system` also effects scheduling which will cause Nix to build those derivations locally even if that doesn't make sense.
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`eval-system` only takes effect if it is non-empty.
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If empty (the default) `system` is used as before, so there is no breakage.
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