diff options
-rw-r--r-- | src/libexpr/primops.cc | 9 |
1 files changed, 8 insertions, 1 deletions
diff --git a/src/libexpr/primops.cc b/src/libexpr/primops.cc index a752b9a5963e..d5e1ce7be918 100644 --- a/src/libexpr/primops.cc +++ b/src/libexpr/primops.cc @@ -974,7 +974,14 @@ static void prim_unsafeDiscardOutputDependency(EvalState & state, Value * * args PathSet context2; foreach (PathSet::iterator, i, context) { Path p = *i; - if (p.at(0) == '=') p = "~" + string(p, 1); + if (p.at(0) == '=') + { + size_t index; + p = "~" + string(p, 1); + index = p.find("="); + if (index < p.find("/")) + p = "~" + string(p, index + 1); + } context2.insert(p); } |