Add a "success" message after installation. Fix #1621. Close #2214.

letsencrypt-auto-source/letsencrypt-auto

@@ -19,7 +19,7 @@ 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="0.4.0"
+LE_AUTO_VERSION="0.5.0.dev0"
 
 # This script takes the same arguments as the main letsencrypt program, but it
 # additionally responds to --verbose (more output) and --debug (allow support
@@ -1632,6 +1632,7 @@ UNLIKELY_EOF
       echo "$PEEP_OUT"
       exit 1
     fi
+    echo "Installation succeeded."
   fi
   echo "Requesting root privileges to run letsencrypt..."
   echo "  " $SUDO "$VENV_BIN/letsencrypt" "$@"

letsencrypt-auto-source/letsencrypt-auto.template

@@ -209,6 +209,7 @@ UNLIKELY_EOF
       echo "$PEEP_OUT"
       exit 1
     fi
+    echo "Installation succeeded."
   fi
   echo "Requesting root privileges to run letsencrypt..."
   echo "  " $SUDO "$VENV_BIN/letsencrypt" "$@"