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-rw-r--r--src/libexpr/get-drvs.hh1
1 files changed, 1 insertions, 0 deletions
diff --git a/src/libexpr/get-drvs.hh b/src/libexpr/get-drvs.hh
index 920197d1fb37..46dc51a568af 100644
--- a/src/libexpr/get-drvs.hh
+++ b/src/libexpr/get-drvs.hh
@@ -34,6 +34,7 @@ public:
     string queryDrvPath(EvalState & state) const;
     string queryOutPath(EvalState & state) const;
     MetaInfo queryMetaInfo(EvalState & state) const;
+    string queryMetaInfo(EvalState & state, const string & name) const;
 
     void setDrvPath(const string & s)
     {