From 886f6f4a2c9630abb2ec0dcf99a0b65ff907df7c Mon Sep 17 00:00:00 2001
From: Jacob Dufault <jacobdufault@gmail.com>
Date: Sun, 11 Feb 2018 17:14:45 -0800
Subject: [PATCH] Show doctest help if requested.

---
 src/command_line.cc | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/src/command_line.cc b/src/command_line.cc
index 3251564d..23c19d96 100644
--- a/src/command_line.cc
+++ b/src/command_line.cc
@@ -433,7 +433,9 @@ int main(int argc, char** argv) {
 
   if (HasOption(options, "-h") || HasOption(options, "--help")) {
     PrintHelp();
-    return 0;
+    // Also emit doctest help if --test-unit is passed.
+    if (!HasOption(options, "--test-unit"))
+      return 0;
   }
 
   if (!HasOption(options, "--log-all-to-stderr"))