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#!/bin/bash
script_dir=$(cd "$(dirname "$0")" && pwd)
# shellcheck source=ci/shared.bash
. "$script_dir/shared.bash"
set -e
# Disable cause it makes shared script not to work properly
#set -x
TARGET="$1"
RUST_REPO="https://github.com/rust-lang/rust"
ARTIFACTS_BASE_URL="https://ci-artifacts.rust-lang.org/rustc-builds"
# A `Dockerfile` under `rustup`'s `ci/docker` directory may start with `FROM rust-$TARGET`.
# This means it is using a Docker image fetched from a container registry provided by `rustc`'s CI.
LOCAL_DOCKER_TAG="rust-$TARGET"
# The following is a mapping from `$TARGET`s to cached Docker images built from `Dockerfile`s under
# <https://github.com/rust-lang/rust/blob/master/src/ci/docker/host-x86_64/>,
# e.g. `FROM rust-aarch64-unknown-linux-musl` means the base `Dockerfile` to look at is located under
# <https://github.com/rust-lang/rust/blob/master/src/ci/docker/host-x86_64/dist-arm-linux>.
case "$TARGET" in
aarch64-unknown-linux-gnu) image=dist-aarch64-linux ;;
aarch64-unknown-linux-musl) image=dist-arm-linux ;;
arm-unknown-linux-gnueabi) image=dist-arm-linux ;;
arm-unknown-linux-gnueabihf) image=dist-armhf-linux ;;
armv7-unknown-linux-gnueabihf) image=dist-armv7-linux ;;
i686-unknown-linux-gnu) image=dist-i686-linux ;;
*-linux-android*) image=dist-android; LOCAL_DOCKER_TAG=rust-android ;;
mips-unknown-linux-gnu) image=dist-mips-linux ;;
mips64-unknown-linux-gnuabi64) image=dist-mips64-linux ;;
mips64el-unknown-linux-gnuabi64) image=dist-mips64el-linux ;;
mipsel-unknown-linux-gnu) image=dist-mipsel-linux ;;
powerpc-unknown-linux-gnu) image=dist-powerpc-linux ;;
powerpc64-unknown-linux-gnu) image=dist-powerpc64-linux ;;
powerpc64le-unknown-linux-gnu) image=dist-powerpc64le-linux ;;
s390x-unknown-linux-gnu) image=dist-s390x-linux ;;
x86_64-unknown-freebsd) image=dist-x86_64-freebsd ;;
x86_64-unknown-illumos) image=dist-x86_64-illumos ;;
x86_64-unknown-linux-gnu) image=dist-x86_64-linux ;;
x86_64-unknown-netbsd) image=dist-x86_64-netbsd ;;
riscv64gc-unknown-linux-gnu) image=dist-riscv64-linux ;;
loongarch64-unknown-linux-gnu) image=dist-loongarch64-linux ;;
*) exit ;;
esac
master=$(git ls-remote "$RUST_REPO" refs/heads/master | cut -f1)
image_url="$ARTIFACTS_BASE_URL/$master/image-$image.txt"
info="/tmp/image-$image.txt"
rm -f "$info"
curl -o "$info" "$image_url"
if [ -z "$(docker images -q "${LOCAL_DOCKER_TAG}")" ]; then
set -e
image_tag=$(cat $info)
echo "Attempting to pull image ${image_tag}"
docker pull "${image_tag}"
docker tag "${image_tag}" "${LOCAL_DOCKER_TAG}"
fi
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