All the values of syncstate are strings, check the first byte and last
byte to see if it is an array. For syncstate data, there were no false
positives.
Tested:
$ repo_dev sync
Verified event logged for argv is "data-json".
$./run_tests
Bug: [google internal] b/201102002
Change-Id: Id56adb532b80267f08d09147ac663cdd5987ce87
Reviewed-on: https://gerrit-review.googlesource.com/c/git-repo/+/319075
Reviewed-by: Mike Frysinger <vapier@google.com>
Tested-by: Raman Tenneti <rtenneti@google.com>
bbe8836494