tools: fix a replay exception when a recording has an empty quirks list

Fixes https://gitlab.freedesktop.org/libinput/libinput/-/issues/520

Signed-off-by: Peter Hutterer <peter.hutterer@who-t.net>

diff --git a/tools/libinput-replay b/tools/libinput-replay
index 4835903..401dbbc 100755 (executable)
--- a/tools/libinput-replay
+++ b/tools/libinput-replay
@@ -218,7 +218,12 @@ def create_device_quirk(device):
 def setup_quirks(recording):
     devices = fetch(recording, 'devices')
     overrides = None
-    quirks = [create_device_quirk(d) for d in devices if 'quirks' in d]
+    quirks = []
+    for d in devices:
+        if 'quirks' in d:
+            quirk = create_device_quirk(d)
+            if quirk:
+                quirks.append(quirk)
     if not quirks:
         return None