Latest git packages on Ubuntu (and possibly other locations in the
future) don't allow locally cloning repos owned by a different user by
default. Attempting to do so results in this error:
fatal: detected dubious ownership in repository at '/opt/git/opendev.org/foo/bar/.git'
To add an exception for this directory, call:
git config --global --add safe.directory /opt/git/opendev.org/foo/bar/.git
fatal: Could not read from remote repository.
Please make sure you have the correct access rights
and the repository exists.
Currently the /opt/git repos are owned by root:root. We expect that
zuul will be the most common user to interact with these cached repos so
we chown to zuul:zuul in order to avoid these problems as much as
possible. Any cases not using zuul will have to determine a path foward
for that special circumstances.
Change-Id: I7cb21869bae42baed5027a9380f60762ab8944e0
eceb8690f6