[rpt] Emit json output even if empty

Even if there are no builders to trigger, we should still emit JSON
output containing an empty list so that the recipe knows there are no
builders to trigger.

Change-Id: Iefdb7691cd9f7b5a3b422de093f456ed50483059
Reviewed-on: https://fuchsia-review.googlesource.com/c/infra/infra/+/893402
Reviewed-by: Catherine Duncan <catduncan@google.com>
Fuchsia-Auto-Submit: Oliver Newman <olivernewman@google.com>
Commit-Queue: Auto-Submit <auto-submit@fuchsia-infra.iam.gserviceaccount.com>
1 file changed
tree: 3a011c64555e4ac9d7cdd6d2d264c33a5df9d59d
  1. artifacts/
  2. buildbucket/
  3. checkout/
  4. cmd/
  5. execution/
  6. flagutil/
  7. functools/
  8. gerrit/
  9. gitiles/
  10. monorail/
  11. rpcutil/
  12. scripts/
  13. third_party/
  14. vendor/
  15. .gitignore
  16. AUTHORS
  17. go.mod
  18. go.sum
  19. LICENSE
  20. manifest
  21. PATENTS
  22. README.md
README.md

infra

This repo contains tools and config files necessary to run infrastructure related to builds, code review, version control, and continuous integrations.