Re: [PATCH v2] checkout: implement "-" shortcut name for last branch

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Thomas Rast schrieb:
> Let git-checkout save the old branch as a symref in LAST_HEAD, and
> make 'git checkout -' switch back to LAST_HEAD, like 'cd -' does in
> the shell.

/me likes this feature.

git rebase (-i or not) calls checkout behind the scenes if the
two-argument form is used:

   git rebase [-i] master topic

and 'topic' is not the current branch. You may want to add a test that
ensures that rebase sets LAST_HEAD in this case.

You must make sure that commits referenced by LAST_HEAD are not
garbage-collected. (I don't know if this happens anyway for symrefs in .git.)

-- Hannes

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