Backup branch created

Autosquash flag used

Interactive rebase used

Rebase not merge for cleanup

force-with-lease push

Test or verification step

Rebase base targets main

--force-with-lease rationale

Backup branch rationale

Rebase squash/fixup operations

Commit message reword

bisect start command

bisect bad marked

bisect good marked

bisect run used

test script exit 0 for good

test script non-zero for bad

bisect reset called

Clean working directory

Bad commit identified

Bisect explanation

worktree add used

Multiple worktrees

cherry-pick for full backport

Partial apply for 1.8

force-with-lease push

worktree remove or prune

No main-branch checkout

Backport log produced

All three releases addressed

Sanitizer applied to 1.8

reflog command used

Lost commits located

Reset used for recovery

reflog output saved

90-day retention mentioned

Reflog mechanism explained

Reset vs branch recovery

Identifying correct hash

Commands explained

Script is executable

git fetch included

Rebase used for sync

No merge for sync

Feature branch checked out

Linear history explained

When rebase is appropriate

When merge is appropriate

Rebase-only-local warning

Command sequence included

Script is executable

Interactive rebase used

Edit marker applied

git reset HEAD^ used

Files staged separately

Multiple atomic commits

Descriptive commit messages

Rebase continued

Final log saved

reset HEAD^ explained

Atomic commits rationale