py/mkrules.mk: Mute blobless errors.

yf13 · dpgeorge · commit a8d50fb6536a · 2025-07-20T22:59:06.000+10:00
This mutes usage error for blobless update from older `git` to
reduce noise upon submodule updating.

Signed-off-by: Yanfeng Liu &lt;yfliu2008@qq.com&gt;
diff --git a/py/mkrules.mk b/py/mkrules.mk
@@ -268,7 +268,7 @@ submodules:
 	$(ECHO) "Updating submodules: $(GIT_SUBMODULES)"
 ifneq ($(GIT_SUBMODULES),)
 	$(Q)cd $(TOP) && git submodule sync $(GIT_SUBMODULES)
-	$(Q)cd $(TOP) && git submodule update --init --filter=blob:none $(GIT_SUBMODULES) || \
+	$(Q)cd $(TOP) && git submodule update --init --filter=blob:none $(GIT_SUBMODULES) 2>/dev/null || \
 	  git submodule update --init $(GIT_SUBMODULES)
 endif
 .PHONY: submodules
