sandbox; Only readlink() if the target is a symlink

diff --git a/mkosi/sandbox.py b/mkosi/sandbox.py
index 0cb86378eabdc8e3e41c56c20c06da0771f5f3cd..4f2714df010b00fd48b712051b09e49bf7bbea6f 100755 (executable)
--- a/mkosi/sandbox.py
+++ b/mkosi/sandbox.py
@@ -562,7 +562,7 @@ class SymlinkOperation(FSOperation):
         try:
             os.symlink(self.src, dst)
         except FileExistsError:
-            if os.readlink(dst) == self.src:
+            if os.path.islink(dst) and os.readlink(dst) == self.src:
                 return
 
             raise