clitools/docker/download-packages.Dockerfile
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FROM alpine:3.23.0 AS base
# We seperate the packages so this line can be cached upstream
RUN apk add --no-cache curl ca-certificates
RUN apk add --no-cache git
# ---- uboot ----
FROM base AS uboot
ARG UBOOT_VERSION
WORKDIR /work
RUN apk add --no-cache git tar gzip
RUN git clone \
--depth 1 \
--branch "${UBOOT_VERSION}" \
--filter=blob:none \
https://github.com/u-boot/u-boot.git src
RUN mkdir -p /out && \
tar -C /work/src -zcf "/out/uboot-${UBOOT_VERSION}.tar.gz" .
# ---- final exported artifact set ----
FROM scratch
COPY --from=uboot /out/ /