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alpine.mk: maketarget for usb images
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parent
2219b258cf
commit
989003baa2
30
alpine.mk
30
alpine.mk
@ -235,10 +235,34 @@ iso: $(ISO)
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#
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# SHA1 sum of ISO
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#
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SHA1 := $(ISO).sha1
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ISO_SHA1 := $(ISO).sha1
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$(SHA1): $(ISO)
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$(ISO_SHA1): $(ISO)
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@echo "==> Generating sha1 sum"
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@sha1sum $(ISO) > $@ || rm -f $@
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sha1: $(SHA1)
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#
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# USB image
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#
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USBIMG := $(ALPINE_NAME)-$(ALPINE_RELEASE)-$(ALPINE_ARCH).img
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USBIMG_SIZE := 510
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MBRPATH := /usr/share/syslinux/mbr.bin
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# the offset where the frist partition is found
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USBIMG_OFFSET := 16384
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$(USBIMG): $(ISOFS_DIRSTAMP)
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#Creating imagefile
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dd if=/dev/zero of=$(USBIMG) bs=1000000 count=$(USBIMG_SIZE)
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parted -s $(USBIMG) mklabel msdos
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parted -s $(USBIMG) mkpartfs primary fat32 0 $(USBIMG_SIZE)
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parted -s $(USBIMG) set 1 boot on
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dd if=$(MBRPATH) of=$(USBIMG) oflags=notrunc
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syslinux -o $(USBIMG_OFFSET) $(USBIMG)
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mcopy -i $(USBIMG)@@$(USBIMG_OFFSET) $(ISO_DIR)/* $(ISO_DIR)/.[a-z]* ::
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USBIMG_SHA1 := $(USBIMG).sha1
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$(USBIMG_SHA1): $(USBIMG)
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@echo "==> Generating sha1 sum"
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@sha1sum $(USBIMG) > $@ || rm -f $@
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sha1 release: $(ISO_SHA1) $(USBIMG_SHA1)
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