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-rw-r--r--src/libstore/gc.cc5
1 files changed, 4 insertions, 1 deletions
diff --git a/src/libstore/gc.cc b/src/libstore/gc.cc
index e5836150c7b3..74c2083904be 100644
--- a/src/libstore/gc.cc
+++ b/src/libstore/gc.cc
@@ -115,7 +115,10 @@ Path addPermRoot(StoreAPI & store, const Path & _storePath,
                     % gcRoot % rootsDir);
         }
 
-        makeSymlink(gcRoot, storePath);
+        if (baseNameOf(gcRoot) == baseNameOf(storePath))
+            writeFile(gcRoot, "");
+        else
+            makeSymlink(gcRoot, storePath);
     }
 
     /* Check that the root can be found by the garbage collector.