sync: respect --force-sync when fetching updates

If a tag is rewritten on the server (which is bad), trying to recover
locally with `repo sync --force-sync` doesn't actually work.  People
have to manually delete things themselves to fix syncing.  While tags
should never be rewritten in practice, allow users to easily recover
from broken servers.

We updated some of these code paths already (see commit 6e53844f1edd3
"Allow clobbering of existing tags from remote."), but the incremental
update flow was missed.

Bug: b/120778183
Bug: chromium:932651
Test: delete local tag & recreate to diff commit, then check
      `repo sync` & `repo sync --force-sync` behavior
Change-Id: I3648f7d2526732c06016b691a9a36c003157618d
1 file changed
tree: a42910d442974086a379a302df024adffd61dee4
  1. .flake8
  2. .gitattributes
  3. .gitignore
  4. .mailmap
  5. .project
  6. .pydevproject
  7. COPYING
  8. README.md
  9. SUBMITTING_PATCHES.md
  10. color.py
  11. command.py
  12. docs/
  13. editor.py
  14. error.py
  15. event_log.py
  16. git_command.py
  17. git_config.py
  18. git_refs.py
  19. git_ssh
  20. gitc_utils.py
  21. hooks/
  22. main.py
  23. manifest_xml.py
  24. pager.py
  25. platform_utils.py
  26. platform_utils_win32.py
  27. progress.py
  28. project.py
  29. pyversion.py
  30. repo
  31. subcmds/
  32. tests/
  33. trace.py
  34. wrapper.py
README.md

repo

Repo is a tool built on top of Git. Repo helps manage many Git repositories, does the uploads to revision control systems, and automates parts of the development workflow. Repo is not meant to replace Git, only to make it easier to work with Git. The repo command is an executable Python script that you can put anywhere in your path.