Emit warnings for IFDs with new trace-import-from-derivation option#13279
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Mic92 merged 2 commits intoNixOS:masterfrom May 27, 2025
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Co-authored-by: Eelco Dolstra <edolstra@gmail.com>
Co-authored-by: Eelco Dolstra <edolstra@gmail.com>
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roberth
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| Setting<bool> traceImportFromDerivation{ | ||
| this, false, "trace-import-from-derivation", |
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This should probably be warn-import-from-derivation to conform with the other warning options.
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Motivation
While we have the
allow-import-from-derivationoption to deny IFDs, sometimes users would like to observe IFDs during CI processes to gradually phase the idiom out. This PR adds atrace-import-from-derivationoption that, when set, logs a simple warning to the console.Since this is intended for consumption by both humans and CI systems that can read logs, a test is included to ensure the warning message does not change accidentally.
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