140 lines
4.3 KiB
Bash
Executable File
140 lines
4.3 KiB
Bash
Executable File
#!/bin/bash
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# Copyright 2018 The gVisor Authors.
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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if [[ "$#" -le 3 ]]; then
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echo "usage: $0 <private-key> <suite> <root> <packages...>"
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exit 1
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fi
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declare -r private_key=$(readlink -e "$1"); shift
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declare -r suite="$1"; shift
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declare -r root="$1"; shift
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# Ensure that we have the correct packages installed.
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function apt_install() {
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while true; do
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sudo apt-get update &&
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sudo apt-get install -y "$@" &&
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true
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result="${?}"
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case $result in
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0)
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break
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;;
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100)
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# 100 is the error code that apt-get returns.
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;;
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*)
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exit $result
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;;
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esac
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done
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}
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dpkg-sig --help >/dev/null 2>&1 || apt_install dpkg-sig
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apt-ftparchive --help >/dev/null 2>&1 || apt_install apt-utils
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xz --help >/dev/null 2>&1 || apt_install xz-utils
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# Verbose from this point.
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set -xeo pipefail
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# Create a directory for the release.
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declare -r release="${root}/dists/${suite}"
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mkdir -p "${release}"
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# Create a temporary keyring, and ensure it is cleaned up.
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declare -r keyring=$(mktemp /tmp/keyringXXXXXX.gpg)
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cleanup() {
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rm -f "${keyring}"
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}
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trap cleanup EXIT
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# We attempt the import twice because the first one will fail if the public key
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# is not found. This isn't actually a failure for us, because we don't require
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# the public (this may be stored separately). The second import will succeed
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# because, in reality, the first import succeeded and it's a no-op.
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gpg --no-default-keyring --keyring "${keyring}" --secret-keyring "${keyring}" --import "${private_key}" || \
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gpg --no-default-keyring --keyring "${keyring}" --secret-keyring "${keyring}" --import "${private_key}"
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# Copy the packages into the root.
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for pkg in "$@"; do
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ext=${pkg##*.}
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name=$(basename "${pkg}" ".${ext}")
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arch=${name##*_}
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if [[ "${name}" == "${arch}" ]]; then
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continue # Not a regular package.
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fi
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if [[ "${pkg}" =~ ^.*\.deb$ ]]; then
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# Extract from the debian file.
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version=$(dpkg --info "${pkg}" | grep -E 'Version:' | cut -d':' -f2)
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elif [[ "${pkg}" =~ ^.*\.changes$ ]]; then
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# Extract from the changes file.
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version=$(grep -E 'Version:' "${pkg}" | cut -d':' -f2)
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else
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# Unsupported file type.
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echo "Unknown file type: ${pkg}"
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exit 1
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fi
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# The package may already exist, in which case we leave it alone.
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version=${version// /} # Trim whitespace.
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destdir="${root}/pool/${version}/binary-${arch}"
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target="${destdir}/${name}.${ext}"
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if [[ -f "${target}" ]]; then
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continue
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fi
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# Copy & sign the package.
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mkdir -p "${destdir}"
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cp -a "${pkg}" "${target}"
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chmod 0644 "${target}"
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if [[ "${ext}" == "deb" ]]; then
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dpkg-sig -g "--no-default-keyring --keyring ${keyring}" --sign builder "${target}"
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fi
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done
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# Build the package list.
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declare arches=()
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for dir in "${root}"/pool/*/binary-*; do
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name=$(basename "${dir}")
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arch=${name##binary-}
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arches+=("${arch}")
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repo_packages="${release}"/main/"${name}"
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mkdir -p "${repo_packages}"
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(cd "${root}" && apt-ftparchive --arch "${arch}" packages pool > "${repo_packages}"/Packages)
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(cd "${repo_packages}" && cat Packages | gzip > Packages.gz)
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(cd "${repo_packages}" && cat Packages | xz > Packages.xz)
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done
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# Build the release list.
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cat > "${release}"/apt.conf <<EOF
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APT {
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FTPArchive {
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Release {
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Architectures "${arches[@]}";
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Suite "${suite}";
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Components "main";
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};
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};
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};
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EOF
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(cd "${release}" && apt-ftparchive -c=apt.conf release . > Release)
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rm "${release}"/apt.conf
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# Sign the release.
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declare -r digest_opts=("--digest-algo" "SHA512" "--cert-digest-algo" "SHA512")
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(cd "${release}" && rm -f Release.gpg InRelease)
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(cd "${release}" && gpg --no-default-keyring --keyring "${keyring}" --clearsign "${digest_opts[@]}" -o InRelease Release)
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(cd "${release}" && gpg --no-default-keyring --keyring "${keyring}" -abs "${digest_opts[@]}" -o Release.gpg Release)
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