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daemon: Report hash mismatches in a cleaner way.

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Suggested by Hartmut Goebel.

* nix/libstore/build.cc (DerivationGoal::registerOutputs): Report hash
mismatches on 3 lines for clarity.
(SubstitutionGoal::finished): Likewise.
This commit is contained in:
Ludovic Courtès 2017-05-30 17:52:55 +02:00
parent a88d41d11c
commit f0a0b58bfa
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1 changed files with 8 additions and 3 deletions
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11
nix/libstore/build.cc
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@ -2449,8 +2449,11 @@ void DerivationGoal::registerOutputs()
Hash h2 = recursive ? hashPath(ht, actualPath).first : hashFile(ht, actualPath);
if (h != h2)
throw BuildError(
format("output path `%1%' should have %2% hash `%3%', instead has `%4%'")
% path % i->second.hashAlgo % printHash16or32(h) % printHash16or32(h2));
format("%1% hash mismatch for output path `%2%'\n"
" expected: %3%\n"
" actual: %4%")
% i->second.hashAlgo % path
% printHash16or32(h) % printHash16or32(h2));
}
/* Get rid of all weird permissions. This also checks that
@ -3096,7 +3099,9 @@ void SubstitutionGoal::finished()
Hash expectedHash = parseHash16or32(hashType, string(expectedHashStr, n + 1));
Hash actualHash = hashType == htSHA256 ? hash.first : hashPath(hashType, destPath).first;
if (expectedHash != actualHash)
throw SubstError(format("hash mismatch in downloaded path `%1%': expected %2%, got %3%")
throw SubstError(format("hash mismatch in downloaded path `%1%'\n"
" expected: %2%\n"
" actual: %3%")
% storePath % printHash(expectedHash) % printHash(actualHash));
}