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CONTENT=/sbin/lvm /sbin/vgchange /sbin/vgscan /bin/busybox init /dev/console etc/kmap-de /sbin/fsck.ext4
CONTENT-LINKS=bin/sh
CONTENT-MARKER=$(addprefix .root-done/,$(CONTENT))
DATE=$(shell date +%F_%T)
all: initramfs
initramfs: initramfs.cpio
gzip > initramfs < initramfs.cpio
initramfs.cpio: .root-done/.complete
cd root ;\
find . | cpio -H newc -o > ../initramfs.cpio
.root-done/.complete: $(CONTENT-MARKER) .root-done/.links
touch .root-done/.complete
$(CONTENT-MARKER): .root-done/%: %
-ldd $* | cut -d" " -f 3 | while read i ; do \
if [ -n "$$i" ]; then \
mkdir -p $$(dirname $$i) ;\
cp --parents $$i root/ ;\
fi ;\
done
-ldd $* | grep -v "=>" | cut -f1 -d" " | while read i ; do \
if [ -n "$$i" ]; then \
mkdir -p $$(dirname $$i) ;\
cp --parents $$i root/ ;\
fi ;\
done
mkdir -p $(shell dirname $*)
cp -a --parents $* root/
mkdir -p $(dir .root-done/$*)
touch .root-done/$*
.root-done/.links: Makefile
for i in $(CONTENT-LINKS) ; do \
mkdir -p $$(dirname $$i) ;\
cp -a --parents $$i root/ ;\
done
touch .root-done/.static
$(CONTENT-MARKER): Makefile
clean:
${RM} initramfs initramfs.cpio
${RM} -r root/*
${RM} -r .root-done/
install:
if [ ! -d "/boot/grub" ]; then \
mount /boot ;\
fi
if [ -r /boot/initramfs ]; then \
mv /boot/initramfs /boot/initramfs-$(DATE) ;\
fi
cp initramfs /boot/initramfs
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