tree 080b74cb2550ca2be3369264fb20efd54413840d
parent b9a7d3b5e4f01d932709633f2b5b9461ecdbd0cb
author Daniel P. Berrange <berrange@redhat.com> 1422637412 +0000
committer Daniel P. Berrange <berrange@redhat.com> 1422637412 +0000

dstat: avoid creating self-referential symlink

If the SCREEN_LOGDIR and LOGDIR environment variables point to the
same location, devstack creates a dstat.log which is a symlink
pointing to itself. The second invokation of devstack then fails
trying to reference this broken symlink

Change-Id: I1de2bb7983e7535b41b28f526083a0d77312ff85