Re: [PATCH] git-jump: ignore (custom) prefix in diff mode

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Mischa POSLAWSKY <git@xxxxxxxx> writes:

>> diff --git contrib/git-jump/git-jump contrib/git-jump/git-jump
>> index a33674e..dc90cd6 100755
>> --- contrib/git-jump/git-jump
>> +++ contrib/git-jump/git-jump
>
> Apparently diff.noprefix also applies to git format-patch.  Even though
> git am does explicitly support -p0, I would argue against diff options
> creating non-standard patches.
>
> -- >8 --
> Subject: [PATCH/RFC] format-patch: force default file prefixes in diff
>
> Override user configuration (eg. diff.noprefix) in patches intended for
> external consumption to match the default prefixes expected by git-am.
>
> Signed-off-by: Mischa POSLAWSKY <git@xxxxxxxx>
> ---

Not all projects expect to see a/ & b/ prefix and these are
configurable for a reason.  Robbing the choice that has been
supported for quite a long time from them is an unacceptable
regression.

Why did you think this may be a good idea in the first place?

Perhaps you had configured your diff.noprefix in a wrong
configuration file?  This is primarily per-project choice, and your
clone of git.git should not have diff.noprefix set, neither your
$HOME/.gitconfig unless you always work on projects that want
diff.noprefix.

>  builtin/log.c | 2 ++
>  1 file changed, 2 insertions(+)
>
> diff --git a/builtin/log.c b/builtin/log.c
> index dff7921..91ded25 100644
> --- a/builtin/log.c
> +++ b/builtin/log.c
> @@ -1131,6 +1131,8 @@ int cmd_format_patch(int argc, const char **argv, const char *prefix)
>  	rev.diff = 1;
>  	rev.max_parents = 1;
>  	DIFF_OPT_SET(&rev.diffopt, RECURSIVE);
> +	rev.diffopt.a_prefix = "a/";
> +	rev.diffopt.b_prefix = "b/";
>  	rev.subject_prefix = fmt_patch_subject_prefix;
>  	memset(&s_r_opt, 0, sizeof(s_r_opt));
>  	s_r_opt.def = "HEAD";
--
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