letsencrypt-auto

#!/bin/sh
#
# Download and run the latest release version of the Let's Encrypt client.
#
# NOTE: THIS SCRIPT IS AUTO-GENERATED AND SELF-UPDATING
#
# IF YOU WANT TO EDIT IT LOCALLY, *ALWAYS* RUN YOUR COPY WITH THE
# "--no-self-upgrade" FLAG
#
# IF YOU WANT TO SEND PULL REQUESTS, THE REAL SOURCE FOR THIS FILE IS
# letsencrypt-auto-source/letsencrypt-auto.template AND
# letsencrypt-auto-source/pieces/bootstrappers/*

set -e  # Work even if somebody does "sh thisscript.sh".

# Note: you can set XDG_DATA_HOME or VENV_PATH before running this script,
# if you want to change where the virtual environment will be installed
XDG_DATA_HOME=${XDG_DATA_HOME:-~/.local/share}
VENV_NAME="letsencrypt"
VENV_PATH=${VENV_PATH:-"$XDG_DATA_HOME/$VENV_NAME"}
VENV_BIN="$VENV_PATH/bin"
LE_AUTO_VERSION="0.5.0"

# This script takes the same arguments as the main letsencrypt program, but it
# additionally responds to --verbose (more output) and --debug (allow support
# for experimental platforms)
for arg in "$@" ; do
  case "$arg" in
    --debug)
      DEBUG=1;;
    --os-packages-only)
      OS_PACKAGES_ONLY=1;;
    --no-self-upgrade)
      # Do not upgrade this script (also prevents client upgrades, because each
      # copy of the script pins a hash of the python client)
      NO_SELF_UPGRADE=1;;
    --verbose)
      VERBOSE=1;;
    [!-]*|-*[!v]*|-)
      # Anything that isn't -v, -vv, etc.: that is, anything that does not
      # start with a -, contains anything that's not a v, or is just "-"
      ;;
    *)  # -v+ remains.
      VERBOSE=1;;
  esac
done

# letsencrypt-auto needs root access to bootstrap OS dependencies, and
# letsencrypt itself needs root access for almost all modes of operation
# The "normal" case is that sudo is used for the steps that need root, but
# this script *can* be run as root (not recommended), or fall back to using
# `su`
if test "`id -u`" -ne "0" ; then
  if command -v sudo 1>/dev/null 2>&1; then
    SUDO=sudo
  else
    echo \"sudo\" is not available, will use \"su\" for installation steps...
    # Because the parameters in `su -c` has to be a string,
    # we need properly escape it
    su_sudo() {
      args=""
      # This `while` loop iterates over all parameters given to this function.
      # For each parameter, all `'` will be replace by `'"'"'`, and the escaped string
      # will be wrapped in a pair of `'`, then appended to `$args` string
      # For example, `echo "It's only 1\$\!"` will be escaped to:
      #   'echo' 'It'"'"'s only 1$!'
      #     │       │└┼┘│
      #     │       │ │ └── `'s only 1$!'` the literal string
      #     │       │ └── `\"'\"` is a single quote (as a string)
      #     │       └── `'It'`, to be concatenated with the strings following it
      #     └── `echo` wrapped in a pair of `'`, it's totally fine for the shell command itself
      while [ $# -ne 0 ]; do
        args="$args'$(printf "%s" "$1" | sed -e "s/'/'\"'\"'/g")' "
        shift
      done
      su root -c "$args"
    }
    SUDO=su_sudo
  fi
else
  SUDO=
fi

ExperimentalBootstrap() {
  # Arguments: Platform name, bootstrap function name
  if [ "$DEBUG" = 1 ]; then
    if [ "$2" != "" ]; then
      echo "Bootstrapping dependencies via $1..."
      $2
    fi
  else
    echo "WARNING: $1 support is very experimental at present..."
    echo "if you would like to work on improving it, please ensure you have backups"
    echo "and then run this script again with the --debug flag!"
    exit 1
  fi
}

DeterminePythonVersion() {
  for LE_PYTHON in "$LE_PYTHON" python2.7 python27 python2 python; do
    # Break (while keeping the LE_PYTHON value) if found.
    command -v "$LE_PYTHON" > /dev/null && break
  done
  if [ "$?" != "0" ]; then
    echo "Cannot find any Pythons; please install one!"
    exit 1
  fi
  export LE_PYTHON

  PYVER=`"$LE_PYTHON" -V 2>&1 | cut -d" " -f 2 | cut -d. -f1,2 | sed 's/\.//'`
  if [ "$PYVER" -lt 26 ]; then
    echo "You have an ancient version of Python entombed in your operating system..."
    echo "This isn't going to work; you'll need at least version 2.6."
    exit 1
  fi
}

BootstrapDebCommon() {
  # Current version tested with:
  #
  # - Ubuntu
  #     - 14.04 (x64)
  #     - 15.04 (x64)
  # - Debian
  #     - 7.9 "wheezy" (x64)
  #     - sid (2015-10-21) (x64)

  # Past versions tested with:
  #
  # - Debian 8.0 "jessie" (x64)
  # - Raspbian 7.8 (armhf)

  # Believed not to work:
  #
  # - Debian 6.0.10 "squeeze" (x64)

  $SUDO apt-get update || echo apt-get update hit problems but continuing anyway...

  # virtualenv binary can be found in different packages depending on
  # distro version (#346)

  virtualenv=
  if apt-cache show virtualenv > /dev/null 2>&1; then
    virtualenv="virtualenv"
  fi

  if apt-cache show python-virtualenv > /dev/null 2>&1; then
    virtualenv="$virtualenv python-virtualenv"
  fi

  augeas_pkg="libaugeas0 augeas-lenses"
  AUGVERSION=`apt-cache show --no-all-versions libaugeas0 | grep ^Version: | cut -d" " -f2`

  AddBackportRepo() {
      # ARGS:
      BACKPORT_NAME="$1"
      BACKPORT_SOURCELINE="$2"
      if ! grep -v -e ' *#' /etc/apt/sources.list | grep -q "$BACKPORT_NAME" ; then
          # This can theoretically error if sources.list.d is empty, but in that case we don't care.
          if ! grep -v -e ' *#' /etc/apt/sources.list.d/* 2>/dev/null | grep -q "$BACKPORT_NAME"; then
              /bin/echo -n "Installing augeas from $BACKPORT_NAME in 3 seconds..."
              sleep 1s
              /bin/echo -ne "\e[0K\rInstalling augeas from $BACKPORT_NAME in 2 seconds..."
              sleep 1s
              /bin/echo -e "\e[0K\rInstalling augeas from $BACKPORT_NAME in 1 second ..."
              sleep 1s
              if echo $BACKPORT_NAME | grep -q wheezy ; then
                  /bin/echo '(Backports are only installed if explicitly requested via "apt-get install -t wheezy-backports")'
              fi

              $SUDO sh -c "echo $BACKPORT_SOURCELINE >> /etc/apt/sources.list.d/$BACKPORT_NAME.list"
              $SUDO apt-get update
          fi
      fi
      $SUDO apt-get install -y --no-install-recommends -t "$BACKPORT_NAME" $augeas_pkg
      augeas_pkg=

  }


  if dpkg --compare-versions 1.0 gt "$AUGVERSION" ; then
      if lsb_release -a | grep -q wheezy ; then
          AddBackportRepo wheezy-backports "deb http://http.debian.net/debian wheezy-backports main"
      elif lsb_release -a | grep -q precise ; then
          # XXX add ARM case
          AddBackportRepo precise-backports "deb http://archive.ubuntu.com/ubuntu precise-backports main restricted universe multiverse"
      else
          echo "No libaugeas0 version is available that's new enough to run the"
          echo "Let's Encrypt apache plugin..."
      fi
      # XXX add a case for ubuntu PPAs
  fi

  $SUDO apt-get install -y --no-install-recommends \
    python \
    python-dev \
    $virtualenv \
    gcc \
    dialog \
    $augeas_pkg \
    libssl-dev \
    libffi-dev \
    ca-certificates \



  if ! command -v virtualenv > /dev/null ; then
    echo Failed to install a working \"virtualenv\" command, exiting
    exit 1
  fi
}

BootstrapRpmCommon() {
  # Tested with:
  #   - Fedora 22, 23 (x64)
  #   - Centos 7 (x64: on DigitalOcean droplet)
  #   - CentOS 7 Minimal install in a Hyper-V VM

  if type dnf 2>/dev/null
  then
    tool=dnf
  elif type yum 2>/dev/null
  then
    tool=yum

  else
    echo "Neither yum nor dnf found. Aborting bootstrap!"
    exit 1
  fi

  # Some distros and older versions of current distros use a "python27"
  # instead of "python" naming convention. Try both conventions.
  if ! $SUDO $tool install -y \
         python \
         python-devel \
         python-virtualenv \
         python-tools \
         python-pip
  then
    if ! $SUDO $tool install -y \
           python27 \
           python27-devel \
           python27-virtualenv \
           python27-tools \
           python27-pip
    then
      echo "Could not install Python dependencies. Aborting bootstrap!"
      exit 1
    fi
  fi

  if ! $SUDO $tool install -y \
         gcc \
         dialog \
         augeas-libs \
         openssl \
         openssl-devel \
         libffi-devel \
         redhat-rpm-config \
         ca-certificates
  then
      echo "Could not install additional dependencies. Aborting bootstrap!"
      exit 1
  fi


  if $SUDO $tool list installed "httpd" >/dev/null 2>&1; then
    if ! $SUDO $tool install -y mod_ssl
    then
      echo "Apache found, but mod_ssl could not be installed."
    fi
  fi
}

BootstrapSuseCommon() {
  # SLE12 don't have python-virtualenv

  $SUDO zypper -nq in -l \
    python \
    python-devel \
    python-virtualenv \
    gcc \
    dialog \
    augeas-lenses \
    libopenssl-devel \
    libffi-devel \
    ca-certificates
}

BootstrapArchCommon() {
  # Tested with:
  #   - ArchLinux (x86_64)
  #
  # "python-virtualenv" is Python3, but "python2-virtualenv" provides
  # only "virtualenv2" binary, not "virtualenv" necessary in
  # ./tools/_venv_common.sh

  deps="
    python2
    python-virtualenv
    gcc
    dialog
    augeas
    openssl
    libffi
    ca-certificates
    pkg-config
  "

  # pacman -T exits with 127 if there are missing dependencies
  missing=$($SUDO pacman -T $deps) || true

  if [ "$missing" ]; then
    $SUDO pacman -S --needed $missing
  fi
}

BootstrapGentooCommon() {
  PACKAGES="
    dev-lang/python:2.7
    dev-python/virtualenv
    dev-util/dialog
    app-admin/augeas
    dev-libs/openssl
    dev-libs/libffi
    app-misc/ca-certificates
    virtual/pkgconfig"

  case "$PACKAGE_MANAGER" in
    (paludis)
      $SUDO cave resolve --preserve-world --keep-targets if-possible $PACKAGES -x
      ;;
    (pkgcore)
      $SUDO pmerge --noreplace --oneshot $PACKAGES
      ;;
    (portage|*)
      $SUDO emerge --noreplace --oneshot $PACKAGES
      ;;
  esac
}

BootstrapFreeBsd() {
  $SUDO pkg install -Ay \
    python \
    py27-virtualenv \
    augeas \
    libffi
}

BootstrapMac() {
  if hash brew 2>/dev/null; then
    echo "Using Homebrew to install dependencies..."
    pkgman=brew
    pkgcmd="brew install"
  elif hash port 2>/dev/null; then
    echo "Using MacPorts to install dependencies..."
    pkgman=port
    pkgcmd="$SUDO port install"
  else
    echo "No Homebrew/MacPorts; installing Homebrew..."
    ruby -e "$(curl -fsSL https://raw.githubusercontent.com/Homebrew/install/master/install)"
    pkgman=brew
    pkgcmd="brew install"
  fi

  $pkgcmd augeas
  $pkgcmd dialog
  if [ "$(which python)" = "/System/Library/Frameworks/Python.framework/Versions/2.7/bin/python" ]; then
    # We want to avoid using the system Python because it requires root to use pip.
    # python.org, MacPorts or HomeBrew Python installations should all be OK.
    echo "Installing python..."
    $pkgcmd python
  fi

  # Workaround for _dlopen not finding augeas on OS X
  if [ "$pkgman" = "port" ] && ! [ -e "/usr/local/lib/libaugeas.dylib" ] && [ -e "/opt/local/lib/libaugeas.dylib" ]; then
    echo "Applying augeas workaround"
    $SUDO ln -s /opt/local/lib/libaugeas.dylib /usr/local/lib
  fi

  if ! hash pip 2>/dev/null; then
      echo "pip not installed"
      echo "Installing pip..."
      curl --silent --show-error --retry 5 https://bootstrap.pypa.io/get-pip.py | python
  fi

  if ! hash virtualenv 2>/dev/null; then
      echo "virtualenv not installed."
      echo "Installing with pip..."
      pip install virtualenv
  fi
}


# Install required OS packages:
Bootstrap() {
  if [ -f /etc/debian_version ]; then
    echo "Bootstrapping dependencies for Debian-based OSes..."
    BootstrapDebCommon
  elif [ -f /etc/redhat-release ]; then
    echo "Bootstrapping dependencies for RedHat-based OSes..."
    BootstrapRpmCommon
  elif [ -f /etc/os-release ] && `grep -q openSUSE /etc/os-release` ; then
    echo "Bootstrapping dependencies for openSUSE-based OSes..."
    BootstrapSuseCommon
  elif [ -f /etc/arch-release ]; then
    if [ "$DEBUG" = 1 ]; then
      echo "Bootstrapping dependencies for Archlinux..."
      BootstrapArchCommon
    else
      echo "Please use pacman to install letsencrypt packages:"
      echo "# pacman -S letsencrypt letsencrypt-apache"
      echo
      echo "If you would like to use the virtualenv way, please run the script again with the"
      echo "--debug flag."
      exit 1
    fi
  elif [ -f /etc/manjaro-release ]; then
    ExperimentalBootstrap "Manjaro Linux" BootstrapArchCommon
  elif [ -f /etc/gentoo-release ]; then
    ExperimentalBootstrap "Gentoo" BootstrapGentooCommon
  elif uname | grep -iq FreeBSD ; then
    ExperimentalBootstrap "FreeBSD" BootstrapFreeBsd
  elif uname | grep -iq Darwin ; then
    ExperimentalBootstrap "Mac OS X" BootstrapMac
  elif grep -iq "Amazon Linux" /etc/issue ; then
    ExperimentalBootstrap "Amazon Linux" BootstrapRpmCommon
  else
    echo "Sorry, I don't know how to bootstrap Let's Encrypt on your operating system!"
    echo
    echo "You will need to bootstrap, configure virtualenv, and run pip install manually."
    echo "Please see https://letsencrypt.readthedocs.org/en/latest/contributing.html#prerequisites"
    echo "for more info."
  fi
}

TempDir() {
  mktemp -d 2>/dev/null || mktemp -d -t 'le'  # Linux || OS X
}



if [ "$1" = "--le-auto-phase2" ]; then
  # Phase 2: Create venv, install LE, and run.

  shift 1  # the --le-auto-phase2 arg
  if [ -f "$VENV_BIN/letsencrypt" ]; then
    # --version output ran through grep due to python-cryptography DeprecationWarnings
    INSTALLED_VERSION=$("$VENV_BIN/letsencrypt" --version 2>&1 | grep ^letsencrypt | cut -d " " -f 2)
  else
    INSTALLED_VERSION="none"
  fi
  if [ "$LE_AUTO_VERSION" != "$INSTALLED_VERSION" ]; then
    echo "Creating virtual environment..."
    DeterminePythonVersion
    rm -rf "$VENV_PATH"
    if [ "$VERBOSE" = 1 ]; then
      virtualenv --no-site-packages --python "$LE_PYTHON" "$VENV_PATH"
    else
      virtualenv --no-site-packages --python "$LE_PYTHON" "$VENV_PATH" > /dev/null
    fi

    echo "Installing Python packages..."
    TEMP_DIR=$(TempDir)
    # There is no $ interpolation due to quotes on starting heredoc delimiter.
    # -------------------------------------------------------------------------
    cat << "UNLIKELY_EOF" > "$TEMP_DIR/letsencrypt-auto-requirements.txt"
# This is the flattened list of packages letsencrypt-auto installs. To generate
# this, do `pip install --no-cache-dir -e acme -e . -e letsencrypt-apache`, and
# then use `hashin` or a more secure method to gather the hashes.

argparse==1.4.0 \
    --hash=sha256:c31647edb69fd3d465a847ea3157d37bed1f95f19760b11a47aa91c04b666314 \
    --hash=sha256:62b089a55be1d8949cd2bc7e0df0bddb9e028faefc8c32038cc84862aefdd6e4

# This comes before cffi because cffi will otherwise install an unchecked
# version via setup_requires.
pycparser==2.14 \
    --hash=sha256:7959b4a74abdc27b312fed1c21e6caf9309ce0b29ea86b591fd2e99ecdf27f73

cffi==1.4.2 \
    --hash=sha256:53c1c9ddb30431513eb7f3cdef0a3e06b0f1252188aaa7744af0f5a4cd45dbaf \
    --hash=sha256:a568f49dfca12a8d9f370187257efc58a38109e1eee714d928561d7a018a64f8 \
    --hash=sha256:809c6ca8cfbcaeebfbd432b4576001b40d38ff2463773cb57577d75e1a020bc3 \
    --hash=sha256:86cdca2cd9cba41422230390df17dfeaa9f344a911e3975c8be9da57b35548e9 \
    --hash=sha256:24b13db84aec385ca23c7b8ded83ef8bb4177bc181d14758f9f975be5d020d86 \
    --hash=sha256:969aeffd7c0e097f6be1efd682c156ae226591a0793a94b6c2d5e4293f4c8d4e \
    --hash=sha256:000f358d4b0fa249feaab9c1ce7d5b2fe7e02e7bdf6806c26418505fc685e268 \
    --hash=sha256:a9d86f460bbd8358a2d513ad779e3f3fc878e3b93a00b5002faebf616ffe6b9c \
    --hash=sha256:3127b3ab33eb23ccac071f9a0802748e5cf7c5cbcd02482bb063e35b41dbb0b0 \
    --hash=sha256:e2b2d42236469a40224d39e7b6c60575f388b2f423f354c7ee90a5b7f58c8065 \
    --hash=sha256:8c2dccafee89b1b424b0bec6ad2dd9622c949d2024e929f5da1ed801eac75f1d \
    --hash=sha256:a4de7a4d11aed488bab4fb14f4988587a829bece5a20433f780d6e33b08083cb \
    --hash=sha256:5ca8fe30425265a49274e4b0213a1bc98f4b13449ae5e96f984771e5d83e58c1 \
    --hash=sha256:a4fd38802f59e714eba81a024f62db710b27dbe27a7ea12e911537327aa84d30 \
    --hash=sha256:86cd6912bbc83e9405d4a73cd7f4b4ee8353652d2dbc7c820106ed5b4d1bab3a \
    --hash=sha256:8f1d177d364ea35900415ae24ca3e471be3d5334ed0419294068c49f45913998
ConfigArgParse==0.10.0 \
    --hash=sha256:3b50a83dd58149dfcee98cb6565265d10b53e9c0a2bca7eeef7fb5f5524890a7
configobj==5.0.6 \
    --hash=sha256:a2f5650770e1c87fb335af19a9b7eb73fc05ccf22144eb68db7d00cd2bcb0902
cryptography==1.2.3 \
    --hash=sha256:031938f73a5c5eb3e809e18ff7caeb6865351871417be6050cb8c86a9a202b9a \
    --hash=sha256:a179a38d50f8d68b491d7a313db78f8cabe290842cecddddc7b34d408e59db0a \
    --hash=sha256:906c88b2aadcf99cfabb24098263d1bf65ab0c8688acde10dae1f09d865920f1 \
    --hash=sha256:6e706c5c6088770b1d1b634e959e21963e315b0255f5f4777125ad3d54082977 \
    --hash=sha256:f5ebf8e31c48f8707921dca0e994de77813a9c9b9bf03c119c5ddf97bdcffe73 \
    --hash=sha256:c7b89e42288cc7fbee3812e99ef5c744f22452e11d6822f6807afc6d6b3be83e \
    --hash=sha256:8408d29865947109d8b68f1837a7cde1aa4dc86e0f79ca3ba58c0c44e443d6a5 \
    --hash=sha256:c7e76cf3c3d925dd31fa238cfb806cffba718c0f08707d77a538768477969956 \
    --hash=sha256:7d8de35380f31702758b7753bb5c40723832c73006dedb2f9099bf61a37f7287 \
    --hash=sha256:5edbee71fae5469ee83fe0a37866b9398c8ce3a46325c24fcedfbf097bb48a19 \
    --hash=sha256:594edafe4801c13bdc1cc305e7704a90c19617e95936f6ab457ee4ffe000ba50 \
    --hash=sha256:b7fdb16a0a7f481be42da744bfe1ea2163025de21f90f2c688a316f3c354da9c \
    --hash=sha256:207b8bf0fe0907336df38b733b487521cf9e138189aba9234ad54fe545dd0db8 \
    --hash=sha256:509a2f05386270cf783993c90d49ffefb3dd62aee45bf1ea8ce3d2cde7271c21 \
    --hash=sha256:ac69b65dd1af0179ede40c9f15788c88f73e628ea6c0519de3838e279bb388c6 \
    --hash=sha256:8df6fad6c6ae12fd7004ea29357f0a2b4d3774eaeca7656530d08d2d90cd41aa \
    --hash=sha256:0b8b96dd81cc1533a04f30382c0fe21c1972e189f794d0c4261a18cec08fd9b5 \
    --hash=sha256:cae8fca1883f23c50ea78d89de6fe4fefdb4cea83177760f47177559414ded93 \
    --hash=sha256:1a471ca576a9cdce1b1cd9f3a22b1d09ee44d46862037557de17919c0db44425 \
    --hash=sha256:8ec4e8e3d453b3a1b63b5f57737a434dcf1ee4a2f26f6ff7c5a37c3f679104d2 \
    --hash=sha256:8eb11c77dd8e73f48df6b2f7a7e16173fe0fe8fdfe266232832e88477e08454e
enum34==1.1.2 \
    --hash=sha256:2475d7fcddf5951e92ff546972758802de5260bf409319a9f1934e6bbc8b1dc7 \
    --hash=sha256:35907defb0f992b75ab7788f65fedc1cf20ffa22688e0e6f6f12afc06b3ea501
funcsigs==0.4 \
    --hash=sha256:ff5ad9e2f8d9e5d1e8bbfbcf47722ab527cf0d51caeeed9da6d0f40799383fde \
    --hash=sha256:d83ce6df0b0ea6618700fe1db353526391a8a3ada1b7aba52fed7a61da772033
idna==2.0 \
    --hash=sha256:9b2fc50bd3c4ba306b9651b69411ef22026d4d8335b93afc2214cef1246ce707 \
    --hash=sha256:16199aad938b290f5be1057c0e1efc6546229391c23cea61ca940c115f7d3d3b
ipaddress==1.0.16 \
    --hash=sha256:935712800ce4760701d89ad677666cd52691fd2f6f0b340c8b4239a3c17988a5 \
    --hash=sha256:5a3182b322a706525c46282ca6f064d27a02cffbd449f9f47416f1dc96aa71b0
linecache2==1.0.0 \
    --hash=sha256:e78be9c0a0dfcbac712fe04fbf92b96cddae80b1b842f24248214c8496f006ef \
    --hash=sha256:4b26ff4e7110db76eeb6f5a7b64a82623839d595c2038eeda662f2a2db78e97c
ndg-httpsclient==0.4.0 \
    --hash=sha256:e8c155fdebd9c4bcb0810b4ed01ae1987554b1ee034dd7532d7b8fdae38a6274
ordereddict==1.1 \
    --hash=sha256:1c35b4ac206cef2d24816c89f89cf289dd3d38cf7c449bb3fab7bf6d43f01b1f
parsedatetime==2.1 \
    --hash=sha256:ce9d422165cf6e963905cd5f74f274ebf7cc98c941916169178ef93f0e557838 \
    --hash=sha256:17c578775520c99131634e09cfca5a05ea9e1bd2a05cd06967ebece10df7af2d
pbr==1.8.1 \
    --hash=sha256:46c8db75ae75a056bd1cc07fa21734fe2e603d11a07833ecc1eeb74c35c72e0c \
    --hash=sha256:e2127626a91e6c885db89668976db31020f0af2da728924b56480fc7ccf09649
psutil==3.3.0 \
    --hash=sha256:584f0b29fcc5d523b433cb8918b2fc74d67e30ee0b44a95baf031528f424619f \
    --hash=sha256:28ca0b6e9d99aa8dc286e8747a4471362b69812a25291de29b6a8d70a1545a0d \
    --hash=sha256:167ad5fff52a672c4ddc1c1a0b25146d6813ebb08a9aab0a3ac45f8a5b669c3b \
    --hash=sha256:e6dea6173a988727bb223d3497349ad5cdef5c0b282eff2d83e5f9065c53f85f \
    --hash=sha256:2af5e0a4aad66049955d0734aa4e3dc8caa17a9eaf8b4c1a27a5f1ee6e40f6fc \
    --hash=sha256:d9884dc0dc2e55e2448e495778dc9899c1c8bf37aeb2f434c1bea74af93c2683 \
    --hash=sha256:e27c2fe6dfcc8738be3d2c5a022f785eb72971057e1a9e1e34fba73bce8a71a6 \
    --hash=sha256:65afd6fecc8f3aed09ee4be63583bc8eb472f06ceaa4fe24c4d1d5a1a3c0e13f \
    --hash=sha256:ba1c558fbfcdf94515c2394b1155c1dc56e2bc2a9c17d30349827c9ed8a67e46 \
    --hash=sha256:ba95ea0022dcb64d36f0c1335c0605fae35bdf3e0fea8d92f5d0f6456a35e55b \
    --hash=sha256:421b6591d16b509aaa8d8c15821d66bb94cb4a8dc4385cad5c51b85d4a096d85 \
    --hash=sha256:326b305cbdb6f94dafbfe2c26b11da88b0ab07b8a07f8188ab9d75ff0c6e841a \
    --hash=sha256:9aede5b2b6fe46b3748ea8e5214443890d1634027bef3d33b7dad16556830278 \
    --hash=sha256:73bed1db894d1aa9c3c7e611d302cdeab7ae8a0dc0eeaf76727878db1ac5cd87 \
    --hash=sha256:935b5dd6d558af512f42501a7c08f41d7aff139af1bb3959daa3abb859234d6c \
    --hash=sha256:4ca0111cf157dcc0f2f69a323c5b5478718d68d45fc9435d84be0ec0f186215b \
    --hash=sha256:b6f13c95398a3fcf0226c4dcfa448560ba5865259cd96ec2810658651e932189 \
    --hash=sha256:ee6be30d1635bbdea4c4325d507dc8a0dbbde7e1c198bd62ddb9f43198b9e214 \
    --hash=sha256:dfa786858c268d7fbbe1b6175e001ec02738d7cfae0a7ce77bf9b651af676729 \
    --hash=sha256:aa77f9de72af9c16cc288cd4a24cf58824388f57d7a81e400c4616457629870e \
    --hash=sha256:f500093357d04da8140d87932cac2e54ef592a54ca8a743abb2850f60c2c22eb
pyasn1==0.1.9 \
    --hash=sha256:61f9d99e3cef65feb1bfe3a2eef7a93eb93819d345bf54bcd42f4e63d5204dae \
    --hash=sha256:1802a6dd32045e472a419db1441aecab469d33e0d2749e192abdec52101724af \
    --hash=sha256:35025cd9422c96504912f04e2f15fe79390a8597b430c2ca5d0534cf9309ffa0 \
    --hash=sha256:2f96ed5a0c329ca16230b326ca12b7461ec8f65e0be3e4f997516f36bf82a345 \
    --hash=sha256:28fee44217991cfad9e6a0b9f7e3f26041e21ebc96629e94e585ccd05d49fa65 \
    --hash=sha256:326e7a854a17fab07691204747695f8f692d674588a355c441fb14f660bf4e68 \
    --hash=sha256:cda5a90485709ca6795c86056c3e5fe7266028b05e53f1d527fdf93a6365a6b8 \
    --hash=sha256:0cb2a14742b543fdd68f931a14ce3829186ed2b1b2267a06787388c96b2dd9be \
    --hash=sha256:5191ff6b9126d2c039dd87f8ff025bed274baf07fa78afa46f556b1ad7265d6e \
    --hash=sha256:8323e03637b2d072cc7041300bac6ec448c3c28950ab40376036788e9a1af629 \
    --hash=sha256:853cacd96d1f701ddd67aa03ecc05f51890135b7262e922710112f12a2ed2a7f
pyOpenSSL==0.15.1 \
    --hash=sha256:88e45e6bb25dfed272a1ef2e728461d44b634c2cd689e989b6e56a349c5a3ae5 \
    --hash=sha256:f0a26070d6db0881de8bcc7846934b7c3c930d8f9c79d45883ee48984bc0d672
pyRFC3339==1.0 \
    --hash=sha256:eea31835c56e2096af4363a5745a784878a61d043e247d3a6d6a0a32a9741f56 \
    --hash=sha256:8dfbc6c458b8daba1c0f3620a8c78008b323a268b27b7359e92a4ae41325f535
python-augeas==0.5.0 \
    --hash=sha256:67d59d66cdba8d624e0389b87b2a83a176f21f16a87553b50f5703b23f29bac2
python2-pythondialog==3.3.0 \
    --hash=sha256:04e93f24995c43dd90f338d5d865ca72ce3fb5a5358d4daa4965571db35fc3ec \
    --hash=sha256:3e6f593fead98f8a526bc3e306933533236e33729f552f52896ea504f55313fa
pytz==2015.7 \
    --hash=sha256:3abe6a6d3fc2fbbe4c60144211f45da2edbe3182a6f6511af6bbba0598b1f992 \
    --hash=sha256:939ef9c1e1224d980405689a97ffcf7828c56d1517b31d73464356c1f2b7769e \
    --hash=sha256:ead4aefa7007249e05e51b01095719d5a8dd95760089f5730aac5698b1932918 \
    --hash=sha256:3cca0df08bd0ed98432390494ce3ded003f5e661aa460be7a734bffe35983605 \
    --hash=sha256:3ede470d3d17ba3c07638dfa0d10452bc1b6e5ad326127a65ba77e6aaeb11bec \
    --hash=sha256:68c47964f7186eec306b13629627722b9079cd4447ed9e5ecaecd4eac84ca734 \
    --hash=sha256:dd5d3991950aae40a6c81de1578942e73d629808cefc51d12cd157980e6cfc18 \
    --hash=sha256:a77c52062c07eb7c7b30545dbc73e32995b7e117eea750317b5cb5c7a4618f14 \
    --hash=sha256:81af9aec4bc960a9a0127c488f18772dae4634689233f06f65443e7b11ebeb51 \
    --hash=sha256:e079b1dadc5c06246cc1bb6fe1b23a50b1d1173f2edd5104efd40bb73a28f406 \
    --hash=sha256:fbd26746772c24cb93c8b97cbdad5cb9e46c86bbdb1b9d8a743ee00e2fb1fc5d \
    --hash=sha256:99266ef30a37e43932deec2b7ca73e83c8dbc3b9ff703ec73eca6b1dae6befea \
    --hash=sha256:8b6ce1c993909783bc96e0b4f34ea223bff7a4df2c90bdb9c4e0f1ac928689e3
requests==2.9.1 \
    --hash=sha256:113fbba5531a9e34945b7d36b33a084e8ba5d0664b703c81a7c572d91919a5b8 \
    --hash=sha256:c577815dd00f1394203fc44eb979724b098f88264a9ef898ee45b8e5e9cf587f
six==1.10.0 \
    --hash=sha256:0ff78c403d9bccf5a425a6d31a12aa6b47f1c21ca4dc2573a7e2f32a97335eb1 \
    --hash=sha256:105f8d68616f8248e24bf0e9372ef04d3cc10104f1980f54d57b2ce73a5ad56a
traceback2==1.4.0 \
    --hash=sha256:8253cebec4b19094d67cc5ed5af99bf1dba1285292226e98a31929f87a5d6b23 \
    --hash=sha256:05acc67a09980c2ecfedd3423f7ae0104839eccb55fc645773e1caa0951c3030
unittest2==1.1.0 \
    --hash=sha256:13f77d0875db6d9b435e1d4f41e74ad4cc2eb6e1d5c824996092b3430f088bb8 \
    --hash=sha256:22882a0e418c284e1f718a822b3b022944d53d2d908e1690b319a9d3eb2c0579
zope.component==4.2.2 \
    --hash=sha256:282c112b55dd8e3c869a3571f86767c150ab1284a9ace2bdec226c592acaf81a
zope.event==4.1.0 \
    --hash=sha256:dc7a59a2fd91730d3793131a5d261b29e93ec4e2a97f1bc487ce8defee2fe786
zope.interface==4.1.3 \
    --hash=sha256:f07b631f7a601cd8cbd3332d54f43142c7088a83299f859356f08d1d4d4259b3 \
    --hash=sha256:de5cca083b9439d8002fb76bbe6b4998c5a5a721fab25b84298967f002df4c94 \
    --hash=sha256:6788416f7ea7f5b8a97be94825377aa25e8bdc73463e07baaf9858b29e737077 \
    --hash=sha256:6f3230f7254518201e5a3708cbb2de98c848304f06e3ded8bfb39e5825cba2e1 \
    --hash=sha256:5fa575a5240f04200c3088427d0d4b7b737f6e9018818a51d8d0f927a6a2517a \
    --hash=sha256:522194ad6a545735edd75c8a83f48d65d1af064e432a7d320d64f56bafc12e99 \
    --hash=sha256:e8c7b2d40943f71c99148c97f66caa7f5134147f57423f8db5b4825099ce9a09 \
    --hash=sha256:279024f0208601c3caa907c53876e37ad88625f7eaf1cb3842dbe360b2287017 \
    --hash=sha256:2e221a9eec7ccc58889a278ea13dcfed5ef939d80b07819a9a8b3cb1c681484f \
    --hash=sha256:69118965410ec86d44dc6b9017ee3ddbd582e0c0abeef62b3a19dbf6c8ad132b \
    --hash=sha256:d04df8686ec864d0cade8cf199f7f83aecd416109a20834d568f8310ded12dea \
    --hash=sha256:e75a947e15ee97e7e71e02ea302feb2fc62d3a2bb4668bf9dfbed43a506ac7e7 \
    --hash=sha256:4e45d22fb883222a5ab9f282a116fec5ee2e8d1a568ccff6a2d75bbd0eb6bcfc \
    --hash=sha256:bce9339bb3c7a55e0803b63d21c5839e8e479bc85c4adf42ae415b72f94facb2 \
    --hash=sha256:928138365245a0e8869a5999fbcc2a45475a0a6ed52a494d60dbdc540335fedd \
    --hash=sha256:0d841ba1bb840eea0e6489dc5ecafa6125554971f53b5acb87764441e61bceba \
    --hash=sha256:b09c8c1d47b3531c400e0195697f1414a63221de6ef478598a4f1460f7d9a392
mock==1.0.1 \
    --hash=sha256:b839dd2d9c117c701430c149956918a423a9863b48b09c90e30a6013e7d2f44f \
    --hash=sha256:8f83080daa249d036cbccfb8ae5cc6ff007b88d6d937521371afabe7b19badbc

# THE LINES BELOW ARE EDITED BY THE RELEASE SCRIPT; ADD ALL DEPENDENCIES ABOVE.

acme==0.5.0 \
    --hash=sha256:ceb4127c13213f0006a564be82176b968c6b374d20d9fc78555d0658a252b275 \
    --hash=sha256:0605c63c656d33c883a05675f5db9cfb85d503f2771c885031800e0da7631abd
letsencrypt==0.5.0 \
    --hash=sha256:f90f883e99cdbdf8142335bdbf4f74a8af143ee4b4ec60fb49c6e47418c1114c \
    --hash=sha256:e38a2b70b82be79bc195307652244a3e012ec73d897d4dbd3f80cf698496d15a
letsencrypt-apache==0.5.0 \
    --hash=sha256:a767882164a7b09d9c12c80684a28a782135fdaf35654ef5a02c0b7b1d27ab8d \
    --hash=sha256:c20e7b9c517aa4a7d70e6bd9382da7259f00bc191b9e60d8e312e48837a00c41

UNLIKELY_EOF
    # -------------------------------------------------------------------------
    cat << "UNLIKELY_EOF" > "$TEMP_DIR/pipstrap.py"
#!/usr/bin/env python
"""A small script that can act as a trust root for installing pip 8

Embed this in your project, and your VCS checkout is all you have to trust. In
a post-peep era, this lets you claw your way to a hash-checking version of pip,
with which you can install the rest of your dependencies safely. All it assumes
is Python 2.6 or better and *some* version of pip already installed. If
anything goes wrong, it will exit with a non-zero status code.

"""
# This is here so embedded copies are MIT-compliant:
# Copyright (c) 2016 Erik Rose
#
# Permission is hereby granted, free of charge, to any person obtaining a copy
# of this software and associated documentation files (the "Software"), to
# deal in the Software without restriction, including without limitation the
# rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
# sell copies of the Software, and to permit persons to whom the Software is
# furnished to do so, subject to the following conditions:
#
# The above copyright notice and this permission notice shall be included in
# all copies or substantial portions of the Software.
from __future__ import print_function
from hashlib import sha256
from os.path import join
from pipes import quote
from shutil import rmtree
try:
    from subprocess import check_output
except ImportError:
    from subprocess import CalledProcessError, PIPE, Popen

    def check_output(*popenargs, **kwargs):
        if 'stdout' in kwargs:
            raise ValueError('stdout argument not allowed, it will be '
                             'overridden.')
        process = Popen(stdout=PIPE, *popenargs, **kwargs)
        output, unused_err = process.communicate()
        retcode = process.poll()
        if retcode:
            cmd = kwargs.get("args")
            if cmd is None:
                cmd = popenargs[0]
            raise CalledProcessError(retcode, cmd)
        return output
from sys import exit, version_info
from tempfile import mkdtemp
try:
    from urllib2 import build_opener, HTTPHandler, HTTPSHandler
except ImportError:
    from urllib.request import build_opener, HTTPHandler, HTTPSHandler
try:
    from urlparse import urlparse
except ImportError:
    from urllib.parse import urlparse  # 3.4


__version__ = 1, 1, 1


# wheel has a conditional dependency on argparse:
maybe_argparse = (
    [('https://pypi.python.org/packages/source/a/argparse/'
      'argparse-1.4.0.tar.gz',
      '62b089a55be1d8949cd2bc7e0df0bddb9e028faefc8c32038cc84862aefdd6e4')]
    if version_info < (2, 7, 0) else [])


PACKAGES = maybe_argparse + [
    # Pip has no dependencies, as it vendors everything:
    ('https://pypi.python.org/packages/source/p/pip/pip-8.0.3.tar.gz',
     '30f98b66f3fe1069c529a491597d34a1c224a68640c82caf2ade5f88aa1405e8'),
    # This version of setuptools has only optional dependencies:
    ('https://pypi.python.org/packages/source/s/setuptools/'
     'setuptools-20.2.2.tar.gz',
     '24fcfc15364a9fe09a220f37d2dcedc849795e3de3e4b393ee988e66a9cbd85a'),
    ('https://pypi.python.org/packages/source/w/wheel/wheel-0.29.0.tar.gz',
     '1ebb8ad7e26b448e9caa4773d2357849bf80ff9e313964bcaf79cbf0201a1648')
]


class HashError(Exception):
    def __str__(self):
        url, path, actual, expected = self.args
        return ('{url} did not match the expected hash {expected}. Instead, '
                'it was {actual}. The file (left at {path}) may have been '
                'tampered with.'.format(**locals()))


def hashed_download(url, temp, digest):
    """Download ``url`` to ``temp``, make sure it has the SHA-256 ``digest``,
    and return its path."""
    # Based on pip 1.4.1's URLOpener but with cert verification removed. Python
    # >=2.7.9 verifies HTTPS certs itself, and, in any case, the cert
    # authenticity has only privacy (not arbitrary code execution)
    # implications, since we're checking hashes.
    def opener():
        opener = build_opener(HTTPSHandler())
        # Strip out HTTPHandler to prevent MITM spoof:
        for handler in opener.handlers:
            if isinstance(handler, HTTPHandler):
                opener.handlers.remove(handler)
        return opener

    def read_chunks(response, chunk_size):
        while True:
            chunk = response.read(chunk_size)
            if not chunk:
                break
            yield chunk

    response = opener().open(url)
    path = join(temp, urlparse(url).path.split('/')[-1])
    actual_hash = sha256()
    with open(path, 'wb') as file:
        for chunk in read_chunks(response, 4096):
            file.write(chunk)
            actual_hash.update(chunk)

    actual_digest = actual_hash.hexdigest()
    if actual_digest != digest:
        raise HashError(url, path, actual_digest, digest)
    return path


def main():
    temp = mkdtemp(prefix='pipstrap-')
    try:
        downloads = [hashed_download(url, temp, digest)
                     for url, digest in PACKAGES]
        check_output('pip install --no-index --no-deps -U ' +
                     ' '.join(quote(d) for d in downloads),
                     shell=True)
    except HashError as exc:
        print(exc)
    except Exception:
        rmtree(temp)
        raise
    else:
        rmtree(temp)
        return 0
    return 1


if __name__ == '__main__':
    exit(main())

UNLIKELY_EOF
    # -------------------------------------------------------------------------
    # Set PATH so pipstrap upgrades the right (v)env:
    PATH="$VENV_BIN:$PATH" "$VENV_BIN/python" "$TEMP_DIR/pipstrap.py"
    set +e
    PIP_OUT=`"$VENV_BIN/pip" install --no-cache-dir --require-hashes -r "$TEMP_DIR/letsencrypt-auto-requirements.txt" 2>&1`
    PIP_STATUS=$?
    set -e
    rm -rf "$TEMP_DIR"
    if [ "$PIP_STATUS" != 0 ]; then
      # Report error. (Otherwise, be quiet.)
      echo "Had a problem while installing Python packages:"
      echo "$PIP_OUT"
      rm -rf "$VENV_PATH"
      exit 1
    fi
    echo "Installation succeeded."
  fi
  echo "Requesting root privileges to run letsencrypt..."
  echo "  " $SUDO "$VENV_BIN/letsencrypt" "$@"
  $SUDO "$VENV_BIN/letsencrypt" "$@"
else
  # Phase 1: Upgrade letsencrypt-auto if neceesary, then self-invoke.
  #
  # Each phase checks the version of only the thing it is responsible for
  # upgrading. Phase 1 checks the version of the latest release of
  # letsencrypt-auto (which is always the same as that of the letsencrypt
  # package). Phase 2 checks the version of the locally installed letsencrypt.

  if [ ! -f "$VENV_BIN/letsencrypt" ]; then
    # If it looks like we've never bootstrapped before, bootstrap:
    Bootstrap
  fi
  if [ "$OS_PACKAGES_ONLY" = 1 ]; then
    echo "OS packages installed."
    exit 0
  fi

  if [ "$NO_SELF_UPGRADE" != 1 ]; then
    echo "Checking for new version..."
    TEMP_DIR=$(TempDir)
    # ---------------------------------------------------------------------------
    cat << "UNLIKELY_EOF" > "$TEMP_DIR/fetch.py"
"""Do downloading and JSON parsing without additional dependencies. ::

    # Print latest released version of LE to stdout:
    python fetch.py --latest-version
    
    # Download letsencrypt-auto script from git tag v1.2.3 into the folder I'm
    # in, and make sure its signature verifies:
    python fetch.py --le-auto-script v1.2.3

On failure, return non-zero.

"""
from distutils.version import LooseVersion
from json import loads
from os import devnull, environ
from os.path import dirname, join
import re
from subprocess import check_call, CalledProcessError
from sys import argv, exit
from urllib2 import build_opener, HTTPHandler, HTTPSHandler, HTTPError

PUBLIC_KEY = environ.get('LE_AUTO_PUBLIC_KEY', """-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA6MR8W/galdxnpGqBsYbq
OzQb2eyW15YFjDDEMI0ZOzt8f504obNs920lDnpPD2/KqgsfjOgw2K7xWDJIj/18
xUvWPk3LDkrnokNiRkA3KOx3W6fHycKL+zID7zy+xZYBuh2fLyQtWV1VGQ45iNRp
9+Zo7rH86cdfgkdnWTlNSHyTLW9NbXvyv/E12bppPcEvgCTAQXgnDVJ0/sqmeiij
n9tTFh03aM+R2V/21h8aTraAS24qiPCz6gkmYGC8yr6mglcnNoYbsLNYZ69zF1XH
cXPduCPdPdfLlzVlKK1/U7hkA28eG3BIAMh6uJYBRJTpiGgaGdPd7YekUB8S6cy+
CQIDAQAB
-----END PUBLIC KEY-----
""")

class ExpectedError(Exception):
    """A novice-readable exception that also carries the original exception for
    debugging"""


class HttpsGetter(object):
    def __init__(self):
        """Build an HTTPS opener."""
        # Based on pip 1.4.1's URLOpener
        # This verifies certs on only Python >=2.7.9.
        self._opener = build_opener(HTTPSHandler())
        # Strip out HTTPHandler to prevent MITM spoof:
        for handler in self._opener.handlers:
            if isinstance(handler, HTTPHandler):
                self._opener.handlers.remove(handler)

    def get(self, url):
        """Return the document contents pointed to by an HTTPS URL.

        If something goes wrong (404, timeout, etc.), raise ExpectedError.

        """
        try:
            return self._opener.open(url).read()
        except (HTTPError, IOError) as exc:
            raise ExpectedError("Couldn't download %s." % url, exc)


def write(contents, dir, filename):
    """Write something to a file in a certain directory."""
    with open(join(dir, filename), 'w') as file:
        file.write(contents)


def latest_stable_version(get):
    """Return the latest stable release of letsencrypt."""
    metadata = loads(get(
        environ.get('LE_AUTO_JSON_URL',
                    'https://pypi.python.org/pypi/letsencrypt/json')))
    # metadata['info']['version'] actually returns the latest of any kind of
    # release release, contrary to https://wiki.python.org/moin/PyPIJSON.
    # The regex is a sufficient regex for picking out prereleases for most
    # packages, LE included.
    return str(max(LooseVersion(r) for r
                   in metadata['releases'].iterkeys()
                   if re.match('^[0-9.]+$', r)))


def verified_new_le_auto(get, tag, temp_dir):
    """Return the path to a verified, up-to-date letsencrypt-auto script.

    If the download's signature does not verify or something else goes wrong
    with the verification process, raise ExpectedError.

    """
    le_auto_dir = environ.get(
        'LE_AUTO_DIR_TEMPLATE',
        'https://raw.githubusercontent.com/letsencrypt/letsencrypt/%s/'
        'letsencrypt-auto-source/') % tag
    write(get(le_auto_dir + 'letsencrypt-auto'), temp_dir, 'letsencrypt-auto')
    write(get(le_auto_dir + 'letsencrypt-auto.sig'), temp_dir, 'letsencrypt-auto.sig')
    write(PUBLIC_KEY, temp_dir, 'public_key.pem')
    try:
        with open(devnull, 'w') as dev_null:
            check_call(['openssl', 'dgst', '-sha256', '-verify',
                        join(temp_dir, 'public_key.pem'),
                        '-signature',
                        join(temp_dir, 'letsencrypt-auto.sig'),
                        join(temp_dir, 'letsencrypt-auto')],
                       stdout=dev_null,
                       stderr=dev_null)
    except CalledProcessError as exc:
        raise ExpectedError("Couldn't verify signature of downloaded "
                            "letsencrypt-auto.", exc)


def main():
    get = HttpsGetter().get
    flag = argv[1]
    try:
        if flag == '--latest-version':
            print latest_stable_version(get)
        elif flag == '--le-auto-script':
            tag = argv[2]
            verified_new_le_auto(get, tag, dirname(argv[0]))
    except ExpectedError as exc:
        print exc.args[0], exc.args[1]
        return 1
    else:
        return 0


if __name__ == '__main__':
    exit(main())

UNLIKELY_EOF
    # ---------------------------------------------------------------------------
    DeterminePythonVersion
    REMOTE_VERSION=`"$LE_PYTHON" "$TEMP_DIR/fetch.py" --latest-version`
    if [ "$LE_AUTO_VERSION" != "$REMOTE_VERSION" ]; then
      echo "Upgrading letsencrypt-auto $LE_AUTO_VERSION to $REMOTE_VERSION..."

      # Now we drop into Python so we don't have to install even more
      # dependencies (curl, etc.), for better flow control, and for the option of
      # future Windows compatibility.
      "$LE_PYTHON" "$TEMP_DIR/fetch.py" --le-auto-script "v$REMOTE_VERSION"

      # Install new copy of letsencrypt-auto.
      # TODO: Deal with quotes in pathnames.
      echo "Replacing letsencrypt-auto..."
      # Clone permissions with cp. chmod and chown don't have a --reference
      # option on OS X or BSD, and stat -c on Linux is stat -f on OS X and BSD:
      echo "  " $SUDO cp -p "$0" "$TEMP_DIR/letsencrypt-auto.permission-clone"
      $SUDO cp -p "$0" "$TEMP_DIR/letsencrypt-auto.permission-clone"
      echo "  " $SUDO cp "$TEMP_DIR/letsencrypt-auto" "$TEMP_DIR/letsencrypt-auto.permission-clone"
      $SUDO cp "$TEMP_DIR/letsencrypt-auto" "$TEMP_DIR/letsencrypt-auto.permission-clone"
      # Using mv rather than cp leaves the old file descriptor pointing to the
      # original copy so the shell can continue to read it unmolested. mv across
      # filesystems is non-atomic, doing `rm dest, cp src dest, rm src`, but the
      # cp is unlikely to fail (esp. under sudo) if the rm doesn't.
      echo "  " $SUDO mv -f "$TEMP_DIR/letsencrypt-auto.permission-clone" "$0"
      $SUDO mv -f "$TEMP_DIR/letsencrypt-auto.permission-clone" "$0"
      # TODO: Clean up temp dir safely, even if it has quotes in its path.
      rm -rf "$TEMP_DIR"
    fi  # A newer version is available.
  fi  # Self-upgrading is allowed.

  "$0" --le-auto-phase2 "$@"
fi