From: Peter Amstutz <peter.amstutz@curoverse.com>
Date: Wed, 10 Jun 2015 14:28:01 +0000 (-0400)
Subject: Since jenkins reuses working directories, handle updating existing git repo of
X-Git-Url: https://git.arvados.org/arvados-dev.git/commitdiff_plain/ef45c8676d34405a2c99ffa51c258b8cb7b6777a?ds=sidebyside;hp=ef45c8676d34405a2c99ffa51c258b8cb7b6777a

Since jenkins reuses working directories, handle updating existing git repo of
common-workflow-language site that will be automatically pushed.  no issue #
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