Re: git: problematic git status output with some translations (such as fr_FR)

> Signed-off-by: Jonathan Nieder <jrnieder@gmail.com>
>
> [1] http://bugs.debian.org/725777
>
> diff --git i/wt-status.c w/wt-status.c
> index 4e55810..7b0e5b8 100644
> --- i/wt-status.c
> +++ w/wt-status.c
> @@ -245,27 +245,26 @@ static void wt_status_print_trailer(struct wt_status *s)
>  
>  #define quote_path quote_path_relative
>  
> -static void wt_status_print_unmerged_data(struct wt_status *s,
> -					  struct string_list_item *it)
> +static const char *wt_status_unmerged_status_string(int stagemask)
>  {
> -	const char *c = color(WT_STATUS_UNMERGED, s);
> -	struct wt_status_change_data *d = it->util;
> -	struct strbuf onebuf = STRBUF_INIT;
> -	const char *one, *how = _("bug");
> -
> -	one = quote_path(it->string, s->prefix, &onebuf);
> -	status_printf(s, color(WT_STATUS_HEADER, s), "\t");
> -	switch (d->stagemask) {
> -	case 1: how = _("both deleted:"); break;
> -	case 2: how = _("added by us:"); break;
> -	case 3: how = _("deleted by them:"); break;
> -	case 4: how = _("added by them:"); break;
> -	case 5: how = _("deleted by us:"); break;
> -	case 6: how = _("both added:"); break;
> -	case 7: how = _("both modified:"); break;
> +	switch (stagemask) {
> +	case 1:
> +		return _("both deleted:");
> +	case 2:
> +		return _("added by us:");
> +	case 3:
> +		return _("deleted by them:");
> +	case 4:
> +		return _("added by them:");
> +	case 5:
> +		return _("deleted by us:");
> +	case 6:
> +		return _("both added:");
> +	case 7:
> +		return _("both modified:");
> +	default:
> +		return NULL;
>  	}
> -	status_printf_more(s, c, "%-20s%s\n", how, one);
> -	strbuf_release(&onebuf);
>  }
>  
>  static const char *wt_status_diff_status_string(int status)
> @@ -292,6 +291,48 @@ static const char *wt_status_diff_status_string(int status)
>  	}
>  }
>  
> +static int maxwidth(const char *(*label)(int), int minval, int maxval)
> +{
> +	const char *s;
> +	int result = 0, i;
> +
> +	for (i = minval; i <= maxval; i++) {
> +		const char *s = label(i);
> +		int len = s ? strlen(s) : 0;
> +		if (len > result)
> +			result = len;
> +	}
> +	return result;
> +}
> +
> +static void wt_status_print_unmerged_data(struct wt_status *s,
> +					  struct string_list_item *it)
> +{
> +	const char *c = color(WT_STATUS_UNMERGED, s);
> +	struct wt_status_change_data *d = it->util;
> +	struct strbuf onebuf = STRBUF_INIT;
> +	static char *padding;
> +	const char *one, *how;
> +	int len;
> +
> +	if (!padding) {
> +		int width = maxwidth(wt_status_unmerged_status_string, 1, 7);
> +		width += strlen(" ");
> +		padding = xmallocz(width);
> +		memset(padding, ' ', width);
> +	}
> +
> +	one = quote_path(it->string, s->prefix, &onebuf);
> +	status_printf(s, color(WT_STATUS_HEADER, s), "\t");
> +
> +	how = wt_status_unmerged_status_string(d->stagemask);
> +	if (!how)
> +		how = _("bug");
> +	len = strlen(padding) - utf8_strwidth(how);
> +	status_printf_more(s, c, "%s%.*s%s\n", how, len, padding, one);
> +	strbuf_release(&onebuf);
> +}
> +
>  static void wt_status_print_change_data(struct wt_status *s,
>  					int change_type,
>  					struct string_list_item *it)
> @@ -309,14 +350,8 @@ static void wt_status_print_change_data(struct wt_status *s,
>  	int len;
>  
>  	if (!padding) {
> -		int width = 0;
> -		/* If DIFF_STATUS_* uses outside this range, we're in trouble */
> -		for (status = 'A'; status <= 'Z'; status++) {
> -			what = wt_status_diff_status_string(status);
> -			len = what ? strlen(what) : 0;
> -			if (len > width)
> -				width = len;
> -		}
> +		/* If DIFF_STATUS_* uses outside the range [A..Z], we're in trouble */
> +		int width = maxwidth(wt_status_diff_status_string, 'A', 'Z');
>  		width += 2;	/* colon and a space */
>  		padding = xmallocz(width);
>  		memset(padding, ' ', width);