message: use HTTPS for debian artifacts when building Ubuntu container
diff: @@ -6,10 +6,11 @@ set -e
  apt-get update
  export DEBIAN_FRONTEND=noninteractive
  apt-get install -y wget software-properties-common make cmake git python python-pip python3 python3-pip \
  - unzip bc libtool ninja-build automake zip time golang gdb strace wireshark tshark tcpdump lcov
  + unzip bc libtool ninja-build automake zip time golang gdb strace wireshark tshark tcpdump lcov \
  + apt-transport-https
  # clang 8.
  -wget -O - http://apt.llvm.org/llvm-snapshot.gpg.key | apt-key add -
  -apt-add-repository "deb http://apt.llvm.org/xenial/ llvm-toolchain-xenial-8 main"
  +wget -O - https://apt.llvm.org/llvm-snapshot.gpg.key | apt-key add -
  +apt-add-repository "deb https://apt.llvm.org/xenial/ llvm-toolchain-xenial-8 main"
  apt-get update
  apt-get install -y clang-8 clang-format-8 clang-tidy-8 lld-8 libc++-8-dev libc++abi-8-dev
  # gcc-7
  @@ -24,7 +25,7 @@ update-alternatives --config g++
  update-alternatives --config gcov
  # Bazel and related dependencies.
  apt-get install -y openjdk-8-jdk curl
  -echo "deb [arch=amd64] http://storage.googleapis.com/bazel-apt stable jdk1.8" | tee /etc/apt/sources.list.d/bazel.list
  +echo "deb [arch=amd64] https://storage.googleapis.com/bazel-apt stable jdk1.8" | tee /etc/apt/sources.list.d/bazel.list
  curl https://bazel.build/bazel-release.pub.gpg | apt-key add -
  apt-get update
  apt-get install -y bazel
  