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nix-instantiate: Fix read-only evaluation

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This commit is contained in:
Eelco Dolstra 2012-11-26 17:39:09 +01:00
parent 8d8d47abd2
commit 408a7bfac1
5 changed files with 17 additions and 10 deletions
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11
src/libexpr/get-drvs.cc
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@ -28,6 +28,17 @@ string DrvInfo::queryOutPath(EvalState & state) const
}
string DrvInfo::queryOutputName(EvalState & state) const
{
if (outputName == "" && attrs) {
Bindings::iterator i = attrs->find(state.sOutputName);
PathSet context;
(string &) outputName = i != attrs->end() ? state.coerceToString(*i->value, context) : "";
}
return outputName;
}
MetaInfo DrvInfo::queryMetaInfo(EvalState & state) const
{
if (metaInfoRead) return meta;