Karthik Nayak <karthik....@gmail.com> writes:

> +static struct ref_msg {
> +     const char *gone;
> +     const char *ahead;
> +     const char *behind;
> +     const char *ahead_behind;
> +} msgs = {
> +     "gone",
> +     "ahead %d",
> +     "behind %d",
> +     "ahead %d, behind %d"
> +};
> +
> +void setup_ref_filter_porcelain_msg(void)
> +{
> +     msgs.gone = _("gone");
> +     msgs.ahead = _("ahead %d");
> +     msgs.behind = _("behind %d");
> +     msgs.ahead_behind = _("ahead %d, behind %d");
> +}

I do not think this patch is wrong, but I wonder if it would be
sufficient to have a single bit in file-scope static variable and
flip it in setup_ref_filter_porcelain_msg().  I.e.

        static int use_porcelain_msg; /* false by default */

        void setup_ref_filter_porcelain_msg(void)
        {
                use_porcelain_msg = 1;
        }        

        static const char *P_(const char *msg)
        {
                return use_porcelain_msg ? _(msg) : msg;
        }

and then mark the message up perhaps like so:

        -       *s = xstrdup("gone");
        +       *s = xstrdup(P_("gone"));

which may make things much simpler.

We'd need to update Makefile to recognize X_() as another keyword;
I'd think something like this should do:

         XGETTEXT_FLAGS_C = $(XGETTEXT_FLAGS) --language=C \
        -        --keyword=_ --keyword=N_ --keyword="Q_:1,2"
        +        --keyword=_ --keyword=N_ --keyword=P_ --keyword="Q_:1,2"


>  typedef enum { FIELD_STR, FIELD_ULONG, FIELD_TIME } cmp_type;
>  
>  struct align {
> @@ -1097,15 +1117,15 @@ static void fill_remote_ref_details(struct used_atom 
> *atom, const char *refname,
>       else if (atom->u.remote_ref.option == RR_TRACK) {
>               if (stat_tracking_info(branch, &num_ours,
>                                      &num_theirs, NULL)) {
> -                     *s = xstrdup("gone");
> +                     *s = xstrdup(msgs.gone);
>               } else if (!num_ours && !num_theirs)
>                       *s = "";
>               else if (!num_ours)
> -                     *s = xstrfmt("behind %d", num_theirs);
> +                     *s = xstrfmt(msgs.behind, num_theirs);
>               else if (!num_theirs)
> -                     *s = xstrfmt("ahead %d", num_ours);
> +                     *s = xstrfmt(msgs.ahead, num_ours);
>               else
> -                     *s = xstrfmt("ahead %d, behind %d",
> +                     *s = xstrfmt(msgs.ahead_behind,
>                                    num_ours, num_theirs);
>               if (!atom->u.remote_ref.nobracket && *s[0]) {
>                       const char *to_free = *s;
> diff --git a/ref-filter.h b/ref-filter.h
> index 0014b92..da17145 100644
> --- a/ref-filter.h
> +++ b/ref-filter.h
> @@ -111,5 +111,7 @@ struct ref_sorting *ref_default_sorting(void);
>  int parse_opt_merge_filter(const struct option *opt, const char *arg, int 
> unset);
>  /*  Get the current HEAD's description */
>  char *get_head_description(void);
> +/*  Set up translated strings in the output. */
> +void setup_ref_filter_porcelain_msg(void);
>  
>  #endif /*  REF_FILTER_H  */
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