make: replace submodule update with reset

This is likely more common action. Also updating submodules
usually involves updating our patches which can't be automated.

Author: TheOneric

Makefile

@@ -365,6 +365,6 @@ server: # Node http server npm i -g http-server
 
 
 SUBMODULES := brotli expat fontconfig freetype fribidi harfbuzz libass
-git-update: $(addprefix git-, $(SUBMODULES))
+git-smreset: $(addprefix git-, $(SUBMODULES))
 
-$(foreach subm, $(SUBMODULES), $(eval $(call TR_GIT_SM_UPDATE,$(subm))))
+$(foreach subm, $(SUBMODULES), $(eval $(call TR_GIT_SM_RESET,$(subm))))

functions.mk

@@ -9,10 +9,10 @@
 ## Clean and git related
 
 # @arg1: submodule name
-define TR_GIT_SM_UPDATE
+define TR_GIT_SM_RESET
 git-$(1):
 	cd lib/$(1) && \
 	git reset --hard && \
-	git clean -dfx && \
-	git pull origin master
+	git clean -dfx
+	git submodule update --force lib/$(1)
 endef