1 files changed, 139 insertions, 0 deletions
diff --git a/tools/make_apt.sh b/tools/make_apt.sh
new file mode 100755
index 000000000..3fb1066e5
--- /dev/null
+++ b/tools/make_apt.sh
@@ -0,0 +1,139 @@
+#!/bin/bash
+
+# Copyright 2018 The gVisor Authors.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#   http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+if [[ "$#" -le 3 ]]; then
+  echo "usage: $0 <private-key> <suite> <root> <packages...>"
+  exit 1
+fi
+declare -r private_key=$(readlink -e "$1"); shift
+declare -r suite="$1"; shift
+declare -r root="$1"; shift
+
+# Ensure that we have the correct packages installed.
+function apt_install() {
+  while true; do
+    sudo apt-get update &&
+      sudo apt-get install -y "$@" &&
+      true
+    result="${?}"
+    case $result in
+      0)
+        break
+        ;;
+      100)
+        # 100 is the error code that apt-get returns.
+        ;;
+      *)
+        exit $result
+        ;;
+    esac
+  done
+}
+dpkg-sig --help >/dev/null 2>&1       || apt_install dpkg-sig
+apt-ftparchive --help >/dev/null 2>&1 || apt_install apt-utils
+xz --help >/dev/null 2>&1             || apt_install xz-utils
+
+# Verbose from this point.
+set -xeo pipefail
+
+# Create a directory for the release.
+declare -r release="${root}/dists/${suite}"
+mkdir -p "${release}"
+
+# Create a temporary keyring, and ensure it is cleaned up.
+declare -r keyring=$(mktemp /tmp/keyringXXXXXX.gpg)
+cleanup() {
+  rm -f "${keyring}"
+}
+trap cleanup EXIT
+
+# We attempt the import twice because the first one will fail if the public key
+# is not found. This isn't actually a failure for us, because we don't require
+# the public (this may be stored separately). The second import will succeed
+# because, in reality, the first import succeeded and it's a no-op.
+gpg --no-default-keyring --keyring "${keyring}" --import "${private_key}" || \
+  gpg --no-default-keyring --keyring "${keyring}" --import "${private_key}"
+
+# Copy the packages into the root.
+for pkg in "$@"; do
+  ext=${pkg##*.}
+  name=$(basename "${pkg}" ".${ext}")
+  arch=${name##*_}
+  if [[ "${name}" == "${arch}" ]]; then
+    continue # Not a regular package.
+  fi
+  if [[ "${pkg}" =~ ^.*\.deb$ ]]; then
+    # Extract from the debian file.
+    version=$(dpkg --info "${pkg}" | grep -E 'Version:' | cut -d':' -f2)
+  elif [[ "${pkg}" =~ ^.*\.changes$ ]]; then
+    # Extract from the changes file.
+    version=$(grep -E 'Version:' "${pkg}" | cut -d':' -f2)
+  else
+    # Unsupported file type.
+    echo "Unknown file type: ${pkg}"
+    exit 1
+  fi
+
+  # The package may already exist, in which case we leave it alone.
+  version=${version// /} # Trim whitespace.
+  destdir="${root}/pool/${version}/binary-${arch}"
+  target="${destdir}/${name}.${ext}"
+  if [[ -f "${target}" ]]; then
+    continue
+  fi
+
+  # Copy & sign the package.
+  mkdir -p "${destdir}"
+  cp -a "${pkg}" "${target}"
+  chmod 0644 "${target}"
+  if [[ "${ext}" == "deb" ]]; then
+    dpkg-sig -g "--no-default-keyring --keyring ${keyring}" --sign builder "${target}"
+  fi
+done
+
+# Build the package list.
+declare arches=()
+for dir in "${root}"/pool/*/binary-*; do
+  name=$(basename "${dir}")
+  arch=${name##binary-}
+  arches+=("${arch}")
+  repo_packages="${release}"/main/"${name}"
+  mkdir -p "${repo_packages}"
+  (cd "${root}" && apt-ftparchive --arch "${arch}" packages pool > "${repo_packages}"/Packages)
+  (cd "${repo_packages}" && cat Packages | gzip > Packages.gz)
+  (cd "${repo_packages}" && cat Packages | xz > Packages.xz)
+done
+
+# Build the release list.
+cat > "${release}"/apt.conf <<EOF
+APT {
+  FTPArchive {
+    Release {
+      Architectures "${arches[@]}";
+      Suite "${suite}";
+      Components "main";
+    };
+  };
+};
+EOF
+(cd "${release}" && apt-ftparchive -c=apt.conf release . > Release)
+rm "${release}"/apt.conf
+
+# Sign the release.
+declare -r digest_opts=("--digest-algo" "SHA512" "--cert-digest-algo" "SHA512")
+(cd "${release}" && rm -f Release.gpg InRelease)
+(cd "${release}" && gpg --no-default-keyring --keyring "${keyring}" --clearsign "${digest_opts[@]}" -o InRelease Release)
+(cd "${release}" && gpg --no-default-keyring --keyring "${keyring}" -abs "${digest_opts[@]}" -o Release.gpg Release)