add initial gen_initramfs package
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@ -8,6 +8,11 @@ out/curl.tgz: \
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out/ca-certificates.tgz
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out/ca-certificates.tgz
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$(call build,tools,curl)
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$(call build,tools,curl)
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out/gen_initramfs.tgz: \
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out/gcc.tgz \
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out/musl.tgz
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$(call build,tools,gen_initramfs)
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out/tofu.tgz: \
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out/tofu.tgz: \
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out/busybox.tgz \
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out/busybox.tgz \
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out/go.tgz
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out/go.tgz
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@ -0,0 +1,30 @@
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ARG REGISTRY=local
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FROM ${REGISTRY}/musl as musl
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FROM ${REGISTRY}/gcc as gcc
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FROM ${REGISTRY}/busybox as busybox
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FROM busybox as base
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WORKDIR ${HOME}
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ENV SRC_SITE http://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/
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ENV SRC_VERSION 6.6
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ENV SRC_HASH d926a06c63dd8ac7df3f86ee1ffc2ce2a3b81a2d168484e76b5b389aba8e56d0
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FROM base as fetch
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RUN wget ${SRC_SITE}/linux-${SRC_VERSION}.tar.xz
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RUN echo "${SRC_HASH} linux-${SRC_VERSION}.tar.xz" | sha256sum -c
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FROM fetch as build
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RUN tar -xf linux-${SRC_VERSION}.tar.xz
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WORKDIR linux-${SRC_VERSION}
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RUN gcc usr/gen_init_cpio.c -o usr/gen_init_cpio
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FROM build as install
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USER 0:0
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RUN set -eux; \
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mkdir -p /rootfs/usr/bin; \
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cp -a usr/gen_initramfs.sh /rootfs/usr/bin/gen_initramfs; \
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cp -a usr/gen_init_cpio /rootfs/usr/bin; \
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find /rootfs -exec touch -hcd "@0" "{}" +
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FROM scratch as package
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COPY --from=install /rootfs /
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