+ Display 'Defaulting to no-use-superproject because there is no working tree.'
message if --use-superproject option is used and we are not using
superproject because manifest is either a mirror or is an archive.
Tested the code with the following commands.
$ ./run_tests -v
Tested the sync code by using repo_dev alias and pointing to this CL.
$ repo init -u https://android.googlesource.com/mirror/manifest --mirror
$ repo_dev sync
Receiving objects: 100% (3/3), done.eiving objects: 33% (1/3)
$ repo_dev sync --use-superproject
Defaulting to no-use-superproject because there is no working tree.
Fetching: 0% (0/2158) warming up
Bug: https://crbug.com/gerrit/15368
Change-Id: I16b87ee9623315dbc3100b612b1decdaab7ac1dc
Reviewed-on: https://gerrit-review.googlesource.com/c/git-repo/+/325797
Reviewed-by: Mike Frysinger <vapier@google.com>
Tested-by: Raman Tenneti <rtenneti@google.com>