Re: [PATCH 3/3] Inform about fast-forwarding of submodules during merge

[Elijah Newren <newren@gmail.com>]

On Tue, May 15, 2018 at 1:00 PM, Stefan Beller <sbeller@google.com> wrote:
> From: Leif Middelschulte <Leif.Middelschulte@gmail.com>
>
> Inform the user about an automatically fast-forwarded submodule. The
> silent merge behavior was introduced by commit 68d03e4a6e44 ("Implement
> automatic fast-forward merge for submodules", 2010-07-07)).
>
> Signed-off-by: Leif Middelschulte <Leif.Middelschulte@gmail.com>
> Signed-off-by: Stefan Beller <sbeller@google.com>
> ---
>  merge-recursive.c | 16 ++++++++++++++++
>  1 file changed, 16 insertions(+)
>
> diff --git a/merge-recursive.c b/merge-recursive.c
> index 0571919ee0a..29a430c418a 100644
> --- a/merge-recursive.c
> +++ b/merge-recursive.c
> @@ -1093,10 +1093,26 @@ static int merge_submodule(struct merge_options *o,
>         /* Case #1: a is contained in b or vice versa */
>         if (in_merge_bases(commit_a, commit_b)) {
>                 oidcpy(result, b);
> +               if (show(o, 3)) {
> +                       output(o, 1, _("Fast-forwarding submodule %s to the following commit:"), path);

Seems slightly odd to mix 3 and 1 here; although it'll work just fine,
I would have expected use of 3 in both places (much like you did with
the 2 and 2 below).

> +                       output_commit_title(o, commit_b);
> +               } else if (show(o, 2))
> +                       output(o, 2, _("Fast-forwarding submodule %s to %s"), path, oid_to_hex(b));
> +               else
> +                       ; /* no output */
> +
>                 return 1;
>         }
>         if (in_merge_bases(commit_b, commit_a)) {
>                 oidcpy(result, a);
> +               if (show(o, 3)) {
> +                       output(o, 1, _("Fast-forwarding submodule %s to the following commit:"), path);

Same.

> +                       output_commit_title(o, commit_a);
> +               } else if (show(o, 2))
> +                       output(o, 2, _("Fast-forwarding submodule %s to %s"), path, oid_to_hex(a));
> +               else
> +                       ; /* no output */
> +
>                 return 1;
>         }
>
> --
> 2.17.0.582.gccdcbd54c44.dirty

Other than that nit-pick, looks good to me.