Merge pull request #3111 from certbot/exit-if-no-bootstrap

Exit if cannot bootstrap in certbot-auto

letsencrypt-auto-source/letsencrypt-auto

@@ -527,6 +527,7 @@ Bootstrap() {
     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."
+    exit 1
   fi
 }
 

letsencrypt-auto-source/letsencrypt-auto.template

@@ -201,6 +201,7 @@ Bootstrap() {
     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."
+    exit 1
   fi
 }