Merge branch 'fix-scripts' into 'master'

Fixes for cloning operations and add clone script

See merge request !8

scripts/check-if-installed..sh → scripts/check-if-installed.sh

-#!/bin/bash
+#!/bin/sh
 set -exu
 
 # Change working directory to the drupal code

scripts/clear-cache.sh

-#!/bin/bash
+#!/bin/sh
 set -exu
 
 # Change working directory to the drupal code

scripts/clone.sh

+#!/bin/sh
+set -exu
+
+# Change working directory to the drupal code
+cd /app
+
+# Clone data from source to destination
+rsync -av /drupal-data-source/ /drupal-data
+/scripts/database-restore.sh
+/scripts/clear-cache.sh

scripts/database-backup.sh

-#!/bin/bash
+#!/bin/sh
 set -exu
 
 # Change working directory to the drupal code

scripts/database-restore.sh

-#!/bin/bash
+#!/bin/sh
 set -exu
 
 # Change working directory to the drupal code

scripts/disable-maintenance-mode.sh

-#!/bin/bash
+#!/bin/sh
 set -exu
 
 # Change working directory to the drupal code

scripts/enable-maintenance-mode.sh

-#!/bin/bash
+#!/bin/sh
 set -exu
 
 # Change working directory to the drupal code

scripts/site-install.sh

-#!/bin/bash
+#!/bin/sh
 set -exu
 
 # Change working directory to the drupal code