Minor bugfixes on Linux CCN module

[nepi.git] / src / nepi / resources / linux / application.py

diff --git a/src/nepi/resources/linux/application.py b/src/nepi/resources/linux/application.py
index 117392d..493c899 100644 (file)
--- a/src/nepi/resources/linux/application.py
+++ b/src/nepi/resources/linux/application.py
@@ -435,7 +435,9 @@ class LinuxApplication(ResourceManager):
             self.node.upload(stdin, dst, overwrite = False, text = True)
 
             # create "stdin" symlink on ${APP_HOME} directory
-            command = "( cd %s ; ln -s %s stdin )" % ( self.app_home, dst)
+            command = "( cd %(app_home)s ; [ ! -f stdin ] &&  ln -s %(stdin)s stdin )" % ({
+                "app_home": self.app_home, 
+                "stdin": dst })
 
             return command