Matthieu Moy <matthieu....@imag.fr> writes:

> +     /* prepend header, only if there's an actual output */
> +     if (len) {
> +             if (uncommitted)
> +                     strbuf_addstr(&summary, _("Submodules changed but not 
> updated:"));
> +             else
> +                     strbuf_addstr(&summary, _("Submodule changes to be 
> committed:"));
> +             strbuf_addstr(&summary, "\n\n");
> +     }
> +     strbuf_addbuf(&summary, &cmd_stdout);
> +     strbuf_release(&cmd_stdout);
> +
> +     summary_content = strbuf_detach(&summary, &len);
> +     strbuf_add_commented_lines(&summary, summary_content, len);
> +     free(summary_content);
> +
> +     summary_content = strbuf_detach(&summary, &len);
> +     fprintf(s->fp, summary_content);
> +     free(summary_content);

This "fprintf()" looks bogus to me.  How about adding this on top?

 wt-status.c | 5 ++---
 1 file changed, 2 insertions(+), 3 deletions(-)

diff --git a/wt-status.c b/wt-status.c
index d91661d..1f17652 100644
--- a/wt-status.c
+++ b/wt-status.c
@@ -710,9 +710,8 @@ static void wt_status_print_submodule_summary(struct 
wt_status *s, int uncommitt
        strbuf_add_commented_lines(&summary, summary_content, len);
        free(summary_content);
 
-       summary_content = strbuf_detach(&summary, &len);
-       fprintf(s->fp, summary_content);
-       free(summary_content);
+       fputs(summary.buf, s->fp);
+       strbuf_release(&summary);
 }
 
 static void wt_status_print_other(struct wt_status *s,
--
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