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-rw-r--r--src/libstore/build.hh5
1 files changed, 5 insertions, 0 deletions
diff --git a/src/libstore/build.hh b/src/libstore/build.hh
index 2c6bcf9f2dea..45997ebb24d0 100644
--- a/src/libstore/build.hh
+++ b/src/libstore/build.hh
@@ -28,4 +28,9 @@ Derivation derivationFromPath(const Path & drvPath);
 void computeFSClosure(const Path & storePath,
     PathSet & paths, bool flipDirection = false);
 
+/* Return the path corresponding to the output identifier `id' in the
+   given derivation. */
+Path findOutput(const Derivation & drv, string id);
+    
+
 #endif /* !__BUILD_H */