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Simplify fixed-output check

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This commit is contained in:
Eelco Dolstra 2017-05-15 18:50:54 +02:00
parent c05d9ae7a5
commit e80257f122
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GPG key ID: 8170B4726D7198DE
1 changed files with 2 additions and 6 deletions
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8
src/libstore/build.cc
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@ -1066,12 +1066,8 @@ void DerivationGoal::haveDerivation()
/* Reject doing a hash build of anything other than a fixed-output
derivation. */
if (buildMode == bmHash) {
if (drv->outputs.size() != 1 ||
drv->outputs.find("out") == drv->outputs.end() ||
drv->outputs["out"].hashAlgo == "")
throw Error(format("cannot do a hash build of non-fixed-output derivation ‘%1%’") % drvPath);
}
if (buildMode == bmHash && !drv->isFixedOutput())
throw Error("cannot do a hash build of non-fixed-output derivation ‘%1%’", drvPath);
/* We are first going to try to create the invalid output paths
through substitutes. If that doesn't work, we'll build