vendor/libgit2/src/diff_stats.c in rugged-0.25.0b10 vs vendor/libgit2/src/diff_stats.c in rugged-0.25.0

@@ -298,19 +298,28 @@
 				return error;
 		}
 	}
 
 	if (format & GIT_DIFF_STATS_FULL || format & GIT_DIFF_STATS_SHORT) {
-		error = git_buf_printf(
-			out, " %" PRIuZ " file%s changed, %" PRIuZ
-			" insertion%s(+), %" PRIuZ " deletion%s(-)\n",
-			stats->files_changed, stats->files_changed != 1 ? "s" : "",
-			stats->insertions, stats->insertions != 1 ? "s" : "",
-			stats->deletions, stats->deletions != 1 ? "s" : "");
+		git_buf_printf(
+			out, " %" PRIuZ " file%s changed",
+			stats->files_changed, stats->files_changed != 1 ? "s" : "");
 
-		if (error < 0)
-			return error;
+		if (stats->insertions || stats->deletions == 0)
+			git_buf_printf(
+				out, ", %" PRIuZ " insertion%s(+)",
+				stats->insertions, stats->insertions != 1 ? "s" : "");
+
+		if (stats->deletions || stats->insertions == 0)
+			git_buf_printf(
+				out, ", %" PRIuZ " deletion%s(-)",
+				stats->deletions, stats->deletions != 1 ? "s" : "");
+
+		git_buf_putc(out, '\n');
+
+		if (git_buf_oom(out))
+			return -1;
 	}
 
 	if (format & GIT_DIFF_STATS_INCLUDE_SUMMARY) {
 		for (i = 0; i < stats->files_changed; ++i) {
 			if ((delta = git_diff_get_delta(stats->diff, i)) == NULL)
@@ -332,6 +341,5 @@
 
 	git_diff_free(stats->diff); /* bumped refcount in constructor */
 	git__free(stats->filestats);
 	git__free(stats);
 }
-