Re: [PATCH v3 0/4] Better support for customising context lines in --patch commands

> This series of patches attempt to give --interactive/--patch compatible
> builtins ("add", "commit", "checkout", "reset", "restore" and "stash")
> better support and nicer experience for configuring how many context lines
> are shown in diffs through a variety of ways.
>
> Prior to these patches, the user could not choose how many context lines
> they saw in --patch commands (apart from one workaround by using
> GIT_DIFF_OPTS=-u<number> ..., however this isn't a good user experience or a
> persistent solution). Additionally, the behaviour around reading from the
> diff.context and diff.interHunkContext configs was also inconsistent with
> other diff generating commands such as "log -p".
>
> The summarised changes below hopefully make this experience better and fix
> some inconsistencies:
>
>  * diff.context and diff.interHunkContext configs are now respected by
>    --patch compatible commands
>  * --unified and --inter-hunk-context command line options have been added
>    to --patch compatible commands (which take prescendence over file
>    configs)
>  * "add" and "commit" in --interactive mode now expose a new "context"
>    subcommand which configures the amount of context lines you wish to see
>    in subsequent diffs generated from other subcommands such as "patch" or
>    "diff"
>
> The original discussion for this can be read at:
>
>  * https://lore.kernel.org/git/CAP9jKjGb-Rcr=RLJEzeFdtrekYM+qmHy+1T1fykU3n9cV4GhGw@mail.gmail.com/
>
> Changes since v1:
>
>  * Update commit descriptions
>  * Update tests to use the more modern and robust test_grep and test_config
>    utils
>  * Reword some documentation / user messages
>  * Ensure each commit is atomic and builds/passes tests on it's own
>  * Make new command line options DRY
>  * Add tests for interhunk context interaction
>  * Error if context config/command line options are negative
>  * Drop previous last commit to do with new subcommand for --interactive
>    add/commit. My motivations behind this patch series originally where
>    quite simple, just for add-patch commands to respect context configs.
>    This subcommand, after the discussion in v1, will require more thought
>    and a larger implementation that what I had anticipated. I would prefer
>    to leave this for another time as it's the least impactful but the most
>    time intensive and complicated idea.
>
> Changes since v2:
>
>  * Update tests to only test single command (following Philip's suggestion)
>  * Add negative option checks
>  * Minor commit re-wording