How to abort a git rebase from inside vim during interactive editing

Question

When I do an interactive rebase, e.g.

git rebase -i HEAD~3

the rebase interactive editor (vim in my case) opens to let me edit the commits

Answer 1

If you exit the editor with an error code, the rebase will be aborted.

To exit with an error code on vim, do

:cq

See here and vimdoc here.