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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 2c6bcf9f2..45997ebb2 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 */