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-rw-r--r--src/values.hh4
1 files changed, 4 insertions, 0 deletions
diff --git a/src/values.hh b/src/values.hh
index 5dd7b89c40bd..d66ae770f97b 100644
--- a/src/values.hh
+++ b/src/values.hh
@@ -13,6 +13,10 @@ using namespace std;
 Hash addValue(string pathName);
 
 
+/* Delete a value from the nixValues directory. */
+void deleteValue(Hash hash);
+
+
 /* Obtain the path of a value with the given hash.  If a file with
    that hash is known to exist in the local file system (as indicated
    by the dbRefs database), we use that.  Otherwise, we attempt to