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{ stdenv, fetchgit, busybox, squashfsTools }:
stdenv.mkDerivation {
name = "rootfs-yerba";
src = ./.;
buildInputs = [ squashfsTools ];
nativeBuildInputs = [ squashfsTools ];
buildPhase = ''
mkdir -p rootfs
mkdir -p rootfs/{bin,sbin,etc,proc,sys,dev,home,var,usr,root,mnt,tmp}
cp -a ${busybox}/_install/. rootfs/
# this says permission denied, cant be bothered to debug, let's just hope we can chroot to /sbin/init in the initramfs and it works?
# ln -sf sbin/init rootfs/init
echo "proc /proc proc defaults 0 0" > rootfs/etc/fstab
echo "sysfs /sys sysfs defaults 0 0" >> rootfs/etc/fstab
echo "devtmpfs /dev devtmpfs defaults 0 0" >> rootfs/etc/fstab
echo "::sysinit:/bin/mount -a" > rootfs/etc/inittab
echo "::askfirst:/bin/sh" >> rootfs/etc/inittab
echo "::ctrlaltdel:/sbin/reboot" >> rootfs/etc/inittab
mksquashfs rootfs $out -comp zstd -noappend
'';
installPhase = ''
echo "rootfs built"
'';
}
|
