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-rw-r--r--src/nix-store/dotgraph.hh8
1 files changed, 8 insertions, 0 deletions
diff --git a/src/nix-store/dotgraph.hh b/src/nix-store/dotgraph.hh
new file mode 100644
index 000000000000..ef389b30d353
--- /dev/null
+++ b/src/nix-store/dotgraph.hh
@@ -0,0 +1,8 @@
+#ifndef __DOTGRAPH_H
+#define __DOTGRAPH_H
+
+#include "storeexpr.hh"
+
+void printDotGraph(const PathSet & roots);
+
+#endif /* !__DOTGRAPH_H */