FROM stagex/binutils:sx2024.09.0@sha256:30a1bd110273894fe91c3a4a2103894f53eaac43cf12a035008a6982cb0e6908 AS binutils
FROM stagex/ca-certificates:sx2024.09.0@sha256:33787f1feb634be4232a6dfe77578c1a9b890ad82a2cf18c11dd44507b358803 AS ca-certificates
FROM stagex/gcc:sx2024.09.0@sha256:439bf36289ef036a934129d69dd6b4c196427e4f8e28bc1a3de5b9aab6e062f0 AS gcc
FROM stagex/zlib:sx2024.09.0@sha256:96b4100550760026065dac57148d99e20a03d17e5ee20d6b32cbacd61125dbb6 AS zlib
FROM stagex/llvm:sx2024.09.0@sha256:30517a41af648305afe6398af5b8c527d25545037df9d977018c657ba1b1708f AS llvm
FROM stagex/openssl:sx2024.09.0@sha256:2c1a9d8fcc6f52cb11a206f380b17d74c1079f04cbb08071a4176648b4df52c1 AS openssl
FROM stagex/eif_build:sx2024.09.0@sha256:291653f1ca528af48fd05858749c443300f6b24d2ffefa7f5a3a06c27c774566 AS eif_build
FROM stagex/gen_initramfs:sx2024.09.0@sha256:f5b9271cca6003e952cbbb9ef041ffa92ba328894f563d1d77942e6b5cdeac1a AS gen_initramfs
FROM stagex/libunwind:sx2024.09.0@sha256:97ee6068a8e8c9f1c74409f80681069c8051abb31f9559dedf0d0d562d3bfc82 AS libunwind
FROM stagex/rust:sx2024.09.0@sha256:b7c834268a81bfcc473246995c55b47fe18414cc553e3293b6294fde4e579163 AS rust
FROM stagex/musl:sx2024.09.0@sha256:ad351b875f26294562d21740a3ee51c23609f15e6f9f0310e0994179c4231e1d AS musl
FROM stagex/git:sx2024.09.0@sha256:29a02c423a4b55fa72cf2fce89f3bbabd1defea86d251bb2aea84c056340ab22 AS git
FROM stagex/pkgconf:sx2024.09.0@sha256:ba7fce4108b721e8bf1a0d993a5f9be9b65eceda8ba073fe7e8ebca2a31b1494 AS pkgconf
FROM stagex/busybox:sx2024.09.0@sha256:d34bfa56566aa72d605d6cbdc154de8330cf426cfea1bc4ba8013abcac594395 AS busybox
FROM stagex/linux-nitro:sx2024.03.0@sha256:073c4603686e3bdc0ed6755fee3203f6f6f1512e0ded09eaea8866b002b04264 AS linux-nitro

FROM scratch as base
ENV TARGET=x86_64-unknown-linux-musl
ENV RUSTFLAGS="-C target-feature=+crt-static"
ENV CARGOFLAGS="--locked --no-default-features --release --target ${TARGET}"
ENV OPENSSL_STATIC=true

COPY --from=busybox . /
COPY --from=musl . /
COPY --from=libunwind . /
COPY --from=openssl . /
COPY --from=zlib . /
COPY --from=ca-certificates . /
COPY --from=binutils . /
COPY --from=pkgconf . /
COPY --from=git . /
COPY --from=rust . /
COPY --from=gen_initramfs . /
COPY --from=eif_build . /
COPY --from=llvm . /
COPY --from=gcc . /
COPY --from=linux-nitro /bzImage .
COPY --from=linux-nitro /nsm.ko .
COPY --from=linux-nitro /linux.config .
ADD . /src

FROM base as build
WORKDIR /src/init
RUN cargo build ${CARGOFLAGS}
WORKDIR /build_cpio
RUN cp /src/init/target/${TARGET}/release/init init
ENV KBUILD_BUILD_TIMESTAMP=1
COPY <<-EOF initramfs.list
	file /init     init    0755 0 0
	file /nsm.ko   /nsm.ko 0755 0 0
	dir  /run              0755 0 0
	dir  /tmp              0755 0 0
	dir  /etc              0755 0 0
	dir  /bin              0755 0 0
	dir  /sbin             0755 0 0
	dir  /proc             0755 0 0
	dir  /sys              0755 0 0
	dir  /usr              0755 0 0
	dir  /usr/bin          0755 0 0
	dir  /usr/sbin         0755 0 0
	dir  /dev              0755 0 0
	dir  /dev/shm          0755 0 0
	dir  /dev/pts          0755 0 0
	nod  /dev/console      0600 0 0 c 5 1
EOF
RUN <<-EOF
	find . -exec touch -hcd "@0" "{}" +
	gen_init_cpio -t 1 initramfs.list > rootfs.cpio
	touch -hcd "@0" rootfs.cpio
EOF
WORKDIR /build_eif
RUN eif_build \
	--kernel /bzImage \
	--kernel_config /linux.config \
	--ramdisk /build_cpio/rootfs.cpio \
	--pcrs_output /nitro.pcrs \
	--output /nitro.eif \
	--cmdline 'reboot=k initrd=0x2000000,3228672 root=/dev/ram0 panic=1 pci=off nomodules console=ttyS0 i8042.noaux i8042.nomux i8042.nopnp i8042.dumbkbd'

FROM base as install
WORKDIR /rootfs
COPY --from=build /nitro.eif .
COPY --from=build /nitro.pcrs .

FROM scratch as package
COPY --from=install /rootfs .