Commits on Feb 3, 2016

1. Fix for gitfs ext_pillar on standalone minion …

   When configured to use a gitpython-based ext_pillar, salt-call --local (I don't have a master) was giving the error:
     Failed to checkout <branch> from git_pillar remote '<repo location>': remote ref does not exist
   regardless of whether the branch existed or not. Poking around in the cache directory, I found that the cloned repository had a remote named 'origin' set, but no fetch had ever been done, so 'git checkout' would always fail. It doesn't know about any branches yet.
   
   Adding the fetch here, immediately after creating the remote, resolves the problem.
   
   I'm not totally sure this is the _correct_ fix as I'm not familiar with this code, and this code is used in many situations, not just minced. But I believe it to be harmless in the worst case, a redundant fetch.

   

   Kris Raney authored and terminalmage committed Feb 3, 2016
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2. gitfs: add initial fetch to pygit2 and dulwich

   

   terminalmage committed Feb 3, 2016
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3. Only perform initial fetch when running on a minion …

   This prevents the master's maintenance process from attempting to run a
   fetch while GitBase.init_remotes() is in the process fetching a
   newly-added remote.
   
   We have proper locking in place, so there is no danger of a race
   condition, but this does suppress the warning generated when an update
   lock is in place at the time a fetch is attempted.

   

   terminalmage committed Feb 3, 2016
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4. Add __role to master opts for gitfs integration tests

   

   terminalmage committed Feb 3, 2016
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