initial version

1 files changed, 62 insertions, 0 deletions

diff --git a/Makefile b/Makefile
new file mode 100644
index 0000000..b17e9a7
--- /dev/null
+++ b/Makefile
@@ -0,0 +1,62 @@
+CONTENT=/sbin/lvm /sbin/vgchange /sbin/vgscan /bin/busybox init /dev/console etc/kmap-de
+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