Daniel P. Berrange 901dbecd4c 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

2015-01-30 17:03:32 +00:00

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