From e1f1572377eaf093e1165c5a6099726041aecf4e Mon Sep 17 00:00:00 2001
From: Kovid Goyal <kovid@kovidgoyal.net>
Date: Wed, 21 Apr 2021 07:55:42 +0530
Subject: [PATCH] Default to running test build during extdev

---
 setup/installers.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/setup/installers.py b/setup/installers.py
index 90f6fc6c64..78bf732dcd 100644
--- a/setup/installers.py
+++ b/setup/installers.py
@@ -222,7 +222,7 @@ class ExtDev(Command):
 
     def run(self, opts):
         which, ext = opts.cli_args[:2]
-        cmd = opts.cli_args[2:]
+        cmd = opts.cli_args[2:] or ['calibre-debug', '--test-build']
         bitness = '64' if which == 'windows' else ''
         ext_dir = build_only(which, bitness, ext)
         if which == 'windows':