From 47eaf297fba19668d7c5e483ec7abaa6085eafad Mon Sep 17 00:00:00 2001
From: Peter Eckersley <pde@eff.org>
Date: Wed, 14 Oct 2015 15:57:09 -0700
Subject: [PATCH] Start a letsencrypt-auto script

Which handles all venv-related tasks for installing from pip, and gives us
auto-updating.
---
 letsencrypt-auto | 45 +++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 45 insertions(+)
 create mode 100755 letsencrypt-auto

diff --git a/letsencrypt-auto b/letsencrypt-auto
new file mode 100755
index 000000000..82720a3fc
--- /dev/null
+++ b/letsencrypt-auto
@@ -0,0 +1,45 @@
+#!/bin/bash -e
+#
+# Installs and updates the letencrypt virtualenv, and runs letsencrypt
+# using that virtual environment.  This allows the client to function decently
+# without requiring specific versions of its dependencies from the operating
+# system.
+
+XDG_DATA_HOME=${XDG_DATA_HOME:-~/.local/share}
+VENV_NAME="letsencrypt"
+VENV_PATH=${VENV_PATH:-"$XDG_DATA_HOME/$VENV_NAME"}
+VENV_BIN=${VENV_PATH}/bin
+
+for arg in "$@" ; do 
+  if [ "$arg" = "-v" ] || [ "$arg" = "--verbose" ] ; then
+    VERBOSE=1
+  fi
+done
+
+# virtualenv call is not idempotent: it overwrites pip upgraded in
+# later steps, causing "ImportError: cannot import name unpack_url"
+if [ ! -d $VENV_PATH ]
+then
+  echo "Creating virtual environment..."
+  if [ "$VERBOSE" = 1 ] ; then
+    virtualenv --no-site-packages --python python2 $VENV_PATH
+  else
+    virtualenv --no-site-packages --python python2 $VENV_PATH > /dev/null
+  fi
+fi
+
+echo "Updating letsencrypt and virtual environment dependencies..."
+if [ "$VERBOSE" = 1 ]  ; then
+  $VENV_BIN/pip install -U setuptools
+  $VENV_BIN/pip install -U pip
+  $VENV_BIN/pip install -U letsencrypt letsencrypt-apache letsencrypt-nginx
+else
+  $VENV_BIN/pip install -U setuptools > /dev/null
+  $VENV_BIN/pip install -U pip > /dev/null
+  $VENV_BIN/pip install -U letsencrypt letsencrypt-apache letsencrypt-nginx > /dev/null
+fi
+
+# TODO: install apache and nginx plugins by default?
+# --pre is not necessary for dev releases in more recent pip versions
+
+sudo $VENV_BIN/letsencrypt $@