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Merge pull request #12376 from DeterminateSystems/fetch-using-nar-hash

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Allow fetching using NAR hash without --allow-dirty-locks
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mergify[bot] 2025-02-02 02:10:35 +00:00 • committed by GitHub
commit b842103307
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6 changed files with 47 additions and 36 deletions
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15
src/libexpr/primops/fetchTree.cc
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@ -183,11 +183,16 @@ static void fetchTree(
if (!state.settings.pureEval && !input.isDirect() && experimentalFeatureSettings.isEnabled(Xp::Flakes))
input = lookupInRegistries(state.store, input).first;
if (state.settings.pureEval && !input.isConsideredLocked(state.fetchSettings)) {
state.error<EvalError>(
"in pure evaluation mode, '%s' will not fetch unlocked input '%s'",
fetcher, input.to_string()
).atPos(pos).debugThrow();
if (state.settings.pureEval && !input.isLocked()) {
if (input.getNarHash())
warn(
"Input '%s' is unlocked (e.g. lacks a Git revision) but does have a NAR hash. "
"This is deprecated since such inputs are verifiable but may not be reproducible.",
input.to_string());
else
state.error<EvalError>(
"in pure evaluation mode, '%s' will not fetch unlocked input '%s'",
fetcher, input.to_string()).atPos(pos).debugThrow();
}
state.checkURI(input.toURLString());