2 files changed, 11 insertions, 0 deletions
diff --git a/src/libmain/shared.cc b/src/libmain/shared.cc
index 9e5964acf8bb..2cf5b08df32d 100644
--- a/src/libmain/shared.cc
+++ b/src/libmain/shared.cc
@@ -47,7 +47,14 @@ void printMissing(StoreAPI & store, const PathSet & paths)
     unsigned long long downloadSize, narSize;
     PathSet willBuild, willSubstitute, unknown;
     queryMissing(store, paths, willBuild, willSubstitute, unknown, downloadSize, narSize);
+    printMissing(willBuild, willSubstitute, unknown, downloadSize, narSize);
+}
+
 
+void printMissing(const PathSet & willBuild,
+    const PathSet & willSubstitute, const PathSet & unknown,
+    unsigned long long downloadSize, unsigned long long narSize)
+{
     if (!willBuild.empty()) {
         printMsg(lvlInfo, format("these derivations will be built:"));
         foreach (PathSet::iterator, i, willBuild)
diff --git a/src/libmain/shared.hh b/src/libmain/shared.hh
index b054b0717f26..ff89e86389c2 100644
--- a/src/libmain/shared.hh
+++ b/src/libmain/shared.hh
@@ -30,6 +30,10 @@ void printGCWarning();
 
 void printMissing(StoreAPI & store, const PathSet & paths);
 
+void printMissing(const PathSet & willBuild,
+    const PathSet & willSubstitute, const PathSet & unknown,
+    unsigned long long downloadSize, unsigned long long narSize);
+
 template<class N> N getIntArg(const string & opt,
     Strings::iterator & i, const Strings::iterator & end)
 {