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-rw-r--r--src/libexpr/primops.cc11
1 files changed, 9 insertions, 2 deletions
diff --git a/src/libexpr/primops.cc b/src/libexpr/primops.cc
index ce0b9e8b0..9c217b373 100644
--- a/src/libexpr/primops.cc
+++ b/src/libexpr/primops.cc
@@ -348,6 +348,7 @@ static void prim_derivationStrict(EvalState & state, Value * * args, Value & v)
foreach (PathSet::iterator, i, context) {
Path path = *i;
bool explicitlyPassed = false;
+ string output = "out";
/* Paths marked with `=' denote that the path of a derivation
is explicitly passed to the builder. Since that allows the
@@ -366,6 +367,12 @@ static void prim_derivationStrict(EvalState & state, Value * * args, Value & v)
}
explicitlyPassed = true;
+ } else if (path.at(0) == '!') {
+ size_t index;
+ path = string(path, 1);
+ index = path.find("!");
+ output = path.substr(0, index);
+ path = string(path, index + 1);
}
/* See prim_unsafeDiscardOutputDependency. */
@@ -382,7 +389,7 @@ static void prim_derivationStrict(EvalState & state, Value * * args, Value & v)
if (explicitlyPassed)
drv.inputDrvs[path] = store -> queryDerivationOutputNames(path);
else
- drv.inputDrvs[path] = singleton<StringSet>("out");
+ drv.inputDrvs[path] = singleton<StringSet>(output);
else
drv.inputSrcs.insert(path);
}
@@ -466,7 +473,7 @@ static void prim_derivationStrict(EvalState & state, Value * * args, Value & v)
/* The output path of an output X is ‘<X>Path’,
e.g. ‘outPath’. */
mkString(*state.allocAttr(v, state.symbols.create(i->first + "Path")),
- i->second.path, singleton<PathSet>(drvPath));
+ i->second.path, singleton<PathSet>("!" + i->first + "!" + drvPath));
}
v.attrs->sort();
}