The git operations can fail, for example when the branch is unknown
or misconfigured.
Better move the info message and extend it such that it is printed
first and provides the necessary context, because otherwise the
CalledProcessError exception gets dumped without mentioning for which
component it occurred.
Signed-off-by: Patrick Ohly <patrick.ohly@intel.com> Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
