Re: [PATCH v2 0/7] Drop support for git rebase --preserve-merges

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Hi Johannes,

Le 01/09/2021 à 13:57, Johannes Schindelin via GitGitGadget a écrit :
> In 427c3bd28ab (rebase: deprecate --preserve-merges, 2019-03-11) (which was
> included in v2.22.0), we officially deprecated the --preserve-merges
> backend. Over two years later, it is time to drop that backend, and here is
> a patch series that does just that.
> 
> Changes since v1:
> 
>  * Rebased onto v2.33.0
> 
> Johannes Schindelin (7):
>   t5520: do not use `pull.rebase=preserve`
>   remote: warn about unhandled branch.<name>.rebase values
>   tests: stop testing `git rebase --preserve-merges`
>   pull: remove support for `--rebase=preserve`
>   rebase: drop support for `--preserve-merges`
>   git-svn: drop support for `--preserve-merges`
>   rebase: drop the internal `rebase--interactive` command
> 

This is good.

preserve-merge is the only user of `rebase--interactive'.  In
builtin/rebase.c, it is the only producer of the following actions:

 - ACTION_SHORTEN_OIDS
 - ACTION_EXPAND_OIDS
 - ACTION_CHECK_TODO_LIST
 - ACTION_REARRANGE_SQUASH
 - ACTION_ADD_EXEC

Which in turn, are the only reason for these functions to exist:

 - transform_todo_file()
 - check_todo_list_from_file() (from the sequencer)
 - rearrange_squash_in_todo_file()
 - add_exec_commands()

This is from a cursory glance, it may go a bit deeper.

Should we remove these as well?

Alban




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