Git Safe Recovery Laboratories Quiz

Review

1. What does ORIG_HEAD identify immediately before a commit-form reset?

   The reset documentation states that ORIG_HEAD is set to the current branch tip before the operation.
2. Why is a named backup branch useful before a destructive experiment?

   A branch name is a reference to a commit; creating it does not switch branches or duplicate the object database.
3. What does `git branch safety-point` do when `safety-point` does not exist?

   The branch creation form creates a branch head at current HEAD and does not switch to it.
4. What is the correct first recovery check after a recent hard reset?

   The immediate reset recovery anchor is ORIG_HEAD, so inspect the current and pre-reset tips first.
5. What does `git revert --abort` do during an in-progress conflicting revert?

   The official revert documentation defines --abort as cancelling the operation and returning to the pre-sequence state.
6. Why does this lesson deliberately not use reflog recovery?

   The curriculum keeps reflog investigation separate; these labs can be completed using ORIG_HEAD, explicit references, and revert abort.
7. What must be verified after a recovery operation?

   Recovery is a state claim, so the relevant repository states must be checked directly.
8. Why should a recovery laboratory use disposable repositories?

   The curriculum safety rule is to demonstrate destructive operations against isolated disposable fixtures.