lib/id.mk:10: **************************************************************
lib/id.mk:11: *** ***
lib/id.mk:12: *** You are on the 'master' branch of i-d-template. ***
lib/id.mk:13: *** This branch is not supported. ***
lib/id.mk:14: *** Please update to use 'main'. ***
lib/id.mk:15: *** ***
lib/id.mk:20: *** sed -i~ s/master/main/ Makefile ***
lib/id.mk:21: *** rm -rf lib ***
lib/id.mk:23: *** ***
lib/id.mk:24: **************************************************************
This removes the warning message