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all: initramfs.img
initramfs.img: gen_init_cpio dropbear_ed25519_host_key modules.sh
./make
gen_init_cpio: gen_init_cpio.c
$(CC) $(CFLAGS) $(CPPFLAGS) $(LDFLAGS) gen_init_cpio.c -o $@
dropbear_ed25519_host_key:
dropbearkey -t ed25519 -f $@
modules.sh: modules
printf '%s\n' '#!/bin/sh' 'set -e' > $@
xargs -a $< -L1 -r modprobe --show-depends >> $@
install: initramfs.img
rm -f /boot/initramfs.img.old /boot/initramfs.img.new
cp initramfs.img /boot/initramfs.img.new || rm -f /boot/initramfs.img.new
if [ -e /boot/initramfs.img ]; then mv /boot/initramfs.img /boot/initramfs.img.old; fi
mv /boot/initramfs.img.new /boot/initramfs.img
clean:
rm -f initramfs.img initramfs.d gen_init_cpio
-include initramfs.d
.PHONY: all install clean
MAKEFLAGS += -r # slightly faster
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