factory.bin common image commands idea

commands.mk

For device profile:

  IMAGE/factory.bin := append-squashfs-fakeroot-be | pad-to $$$$(BLOCKSIZE) | \
       $$(IMAGE/sysupgrade.bin) | tmpdir tmp | \
       tmpdir-loader $(1) tmp/openwrt-senao-ens202ext-uImage-lzma.bin | \
       tmpdir-cp tmp/openwrt-senao-ens202ext-root.squashfs | \
       tmpdir-tar tmp | tmpdir-rm tmp | gzip


in include/image-commands.mk:


define Build/tmpdir
	mkdir -p $@.$(1)
endef

define Build/tmpdir-rm
	rm -rf $@.$(1)
endef

define Build/tmpdir-touch
	touch $@.$(1)
endef

define Build/tmpdir-loader
	$(CP) $(KDIR)/loader-$(word 1, $(1)).uImage $@.$(word 2, $(1))
endef

define Build/tmpdir-kernel
	$(CP) $(IMAGE_KERNEL) $@.$(1)
endef

define Build/tmpdir-rootfs
	$(CP) $(IMAGE_ROOTFS) $@.$(1)
endef

define Build/tmpdir-cp
	$(CP) $@ $@.$(1)
endef

define Build/tmpdir-tar
	$(TAR) -cp --numeric-owner --owner=0 --group=0 --mode=a-s --sort=name \
		$(if $(SOURCE_DATE_EPOCH),--mtime="@$(SOURCE_DATE_EPOCH)") \
		-C $@.$(1) . > [email protected]
	@mv [email protected] $@
endef

define Build/prepend-header
	$(CP) $@ [email protected]
	$(CP) $(1) [email protected]
	cat [email protected] >> [email protected]
	@mv [email protected] $@
endef