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run.sh
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run.sh
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#!/bin/bash
set -xe
# A POSIX variable
OPTIND=1 # Reset in case getopts has been used previously in the shell.
while getopts "r:t:d:" opt; do
case "$opt" in
r) REPO=$OPTARG
;;
t) TAG_VER=$OPTARG
;;
d) DOCKER_REPO=$OPTARG
;;
esac
done
shift $((OPTIND-1))
[ "$1" = "--" ] && shift
# Build container images creating the directory.
# containers/
# latest/ - An image including /usr/bin/qemu-$arch-status and /register script.
# ${from_arch}_qemu-${to_arch}/ - Images including /usr/bin/qemu-$arch-status
# register/ - An image including /register script.
from_arch="x86_64"
root_dir=$(pwd)
out_dir="containers"
releases_dir="releases/usr/bin/"
cd ${releases_dir}
for file in *; do
tar -czf $file.tar.gz $file;
cp $file.tar.gz x86_64_$file.tar.gz
done
cd ${root_dir}
# Generate register files.
cp -p "${out_dir}/latest/register.sh" "${out_dir}/register/"
cp -p "${out_dir}/latest/Dockerfile" "${out_dir}/register/"
# Comment out the line to copy qemu-*-static not to provide those.
sed -i '/^COPY qemu/ s/^/#/' "${out_dir}/register/Dockerfile"
for file in ${releases_dir}*
do
if [[ $file =~ qemu-(.+)-static ]]; then
to_arch=${BASH_REMATCH[1]}
if [ "$from_arch" != "$to_arch" ]; then
work_dir="${out_dir}/${from_arch}_qemu-${to_arch}"
mkdir -p "${work_dir}"
cp -p "${releases_dir}qemu-${to_arch}-static" ${work_dir}
cp -p "${work_dir}/qemu-${to_arch}-static" "${out_dir}/latest/"
cat > ${work_dir}/Dockerfile -<<EOF
FROM scratch
COPY qemu-${to_arch}-static /usr/bin/
EOF
docker build -t ${DOCKER_REPO}:$from_arch-$to_arch-${TAG_VER} ${work_dir}
for target in "${DOCKER_REPO}:$from_arch-$to_arch" \
"${DOCKER_REPO}:$to_arch-${TAG_VER}" \
"${DOCKER_REPO}:$to_arch" ; do
docker tag ${DOCKER_REPO}:$from_arch-$to_arch-${TAG_VER} ${target}
done
rm -rf "${work_dir}"
fi
fi
done
docker build -t ${DOCKER_REPO}:${TAG_VER} ${out_dir}/latest
docker tag ${DOCKER_REPO}:${TAG_VER} ${DOCKER_REPO}:latest
docker build -t ${DOCKER_REPO}:register ${out_dir}/register