Check for non-0 exit code if the confiog file does not exist and
if it works exactly like when setting GIT_CONFIG.

Signed-off-by: Alex Riesen <raa.lkml@gmail.com>
---
 t/t1300-repo-config.sh |    6 ++++++
 1 files changed, 6 insertions(+), 0 deletions(-)