feat(makefile): add help and helo-all

Signed-off-by: Xinwei Xiong(cubxxw) <3293172751nss@gmail.com>

script/make-rules/common.mk

@@ -15,3 +15,48 @@
 # ==============================================================================
 # Makefile helper functions for common tasks
 #
+
+
+
+
+# ==============================================================================
+# Makefile helper functions for common tasks
+
+# Help information for the makefile package
+define makehelp
+	@printf "\n\033[1mUsage: make <TARGETS> <OPTIONS> ...\033[0m\n\n\\033[1mTargets:\\033[0m\n\n"
+	@sed -n 's/^##//p' $< | awk -F':' '{printf "\033[36m%-28s\033[0m %s\n", $$1, $$2}' | sed -e 's/^/ /'
+	@printf "\n\033[1m$$USAGE_OPTIONS\033[0m\n"
+endef
+
+# Here are some examples of builds
+define MAKEFILE_EXAMPLE
+# make build BINS=sealer                                         Only a single sealer binary is built.
+# make -j $(nproc) all                                           Run tidy gen add-copyright format lint cover build concurrently.
+# make gen                                                       Generate all necessary files.
+# make linux.arm64                                               sealer is compiled on arm64 platform.
+# make verify-copyright                                          Verify the license headers for all files.
+# make install-deepcopy-gen                                      Install deepcopy-gen tools if the license is missing.
+# make build BINS=sealer V=1 DEBUG=1                             Build debug binaries for only sealer.
+# make build.multiarch PLATFORMS="linux_arm64 linux_amd64" V=1   Build binaries for both platforms.
+endef
+export MAKEFILE_EXAMPLE
+
+# Define all help functions	@printf "\n\033[1mCurrent sealer version information: $(shell sealer version):\033[0m\n\n"
+define makeallhelp
+	@printf "\n\033[1mMake example:\033[0m\n\n"
+	$(call MAKEFILE_EXAMPLE)
+	@printf "\n\033[1mAriables:\033[0m\n\n"
+	@echo "  DEBUG: $(DEBUG)"
+	@echo "  BINS: $(BINS)"
+	@echo "  PLATFORMS: $(PLATFORMS)"
+	@echo "  V: $(V)"
+endef
+
+# Help information for other makefile packages
+CUT_OFF?="---------------------------------------------------------------------------------"
+HELP_NAME:=$(shell basename $(MAKEFILE_LIST))
+define smallhelp
+	@sed -n 's/^##//p' $< | awk -F':' '{printf "\033[36m%-35s\033[0m %s\n", $$1, $$2}' | sed -e 's/^/ /'
+	@echo $(CUT_OFF)
+endef