Factor out the access to PatchSets information

Decouple the issue extraction from the actual implementation of how
to access patch-set commit ids.

This is a preparation work to simplify the testing and porting of
its-base from ReviewDb to NoteDb.

Change-Id: I21cb3faf639f5b24f69e2dd6532b4bc7da235e2c
2 files changed
tree: 0971fe7a5f47586977a3856096c922c09f0391a7
  1. .settings/
  2. src/
  3. tools/
  4. .gitignore
  5. bazlets.bzl
  6. BUILD
  7. LICENSE
  8. WORKSPACE