From 8b6b59be1ea4bc53e11f2e0997ec96f10084f46b Mon Sep 17 00:00:00 2001
From: dkoao <dkoao@example.com>
Date: Fri, 27 Sep 2019 16:48:07 +0000
Subject: [PATCH] Ask the user if he wants to remove Nextcloud if it appears to
 be installed previously

---
 setup/nextcloud-remove.sh | 35 +++++++++++++++++++++++++++++++++++
 setup/questions.sh        |  9 ++++++++-
 setup/start.sh            |  3 +++
 3 files changed, 46 insertions(+), 1 deletion(-)
 create mode 100755 setup/nextcloud-remove.sh

diff --git a/setup/nextcloud-remove.sh b/setup/nextcloud-remove.sh
new file mode 100755
index 00000000..7bef4dc7
--- /dev/null
+++ b/setup/nextcloud-remove.sh
@@ -0,0 +1,35 @@
+#!/bin/bash
+#
+# This script will remove Nextcloud from your MiaB server
+##################################################################
+
+source setup/functions.sh # load our functions
+source /etc/mailinabox.conf # load global vars
+
+if [[ $EUID -ne 0 ]]; then
+	echo "This script must be run as root."
+	exit
+fi
+
+# Backup the existing ownCloud/Nextcloud.
+# Create a backup directory to store the current installation and database to
+
+BACKUP_DIRECTORY=$STORAGE_ROOT/owncloud-backup/`date +"%Y-%m-%d-%T"`
+mkdir -p "$BACKUP_DIRECTORY"
+if [ -d /usr/local/lib/owncloud/ ]; then
+	echo "Backing up existing Nextcloud installation, configuration, and database to directory to $BACKUP_DIRECTORY..."
+	cp -r /usr/local/lib/owncloud "$BACKUP_DIRECTORY/owncloud-install"
+	rm -r /usr/local/lib/owncloud
+fi
+if [ -e $STORAGE_ROOT/owncloud/owncloud.db ]; then
+	cp $STORAGE_ROOT/owncloud/owncloud.db $BACKUP_DIRECTORY
+fi
+if [ -e $STORAGE_ROOT/owncloud/config.php ]; then
+	cp $STORAGE_ROOT/owncloud/config.php $BACKUP_DIRECTORY
+fi
+if [ -d $STORAGE/owncloud/ ]; then
+	echo "Removing Nextcloud..."
+	rm -r $STORAGE_ROOT/owncloud
+fi
+# Remove Nextcloud's dependencies
+apt_purge php-imap php-pear php-dev php-xml php-zip php-apcu php-imagick
diff --git a/setup/questions.sh b/setup/questions.sh
index a45f4943..69972859 100644
--- a/setup/questions.sh
+++ b/setup/questions.sh
@@ -203,7 +203,14 @@ if [ ! -d $STORAGE_ROOT/owncloud ]; then
 		\n\nWould you like to disable it?"\
 		DISABLE_NEXTCLOUD
 fi
-
+if [ -d $STORAGE_ROOT/owncloud ]; then
+	yesno_box "Remove Nextcloud?"\
+		"It seems that you already have Nextcloud installed previous\
+		\n\nNextcloud offers the Contacts and Calendar features in Mail-in-a-box\
+		\nIt also offers other features like file sharing, gallery, todos, and more.\ 
+		\n\nWould you like to remove it?"\
+		REMOVE_NEXTCLOUD	
+fi
 # Show the configuration, since the user may have not entered it manually.
 echo
 echo "Primary Hostname: $PRIMARY_HOSTNAME"
diff --git a/setup/start.sh b/setup/start.sh
index bd534bf9..34acc9f2 100755
--- a/setup/start.sh
+++ b/setup/start.sh
@@ -104,6 +104,9 @@ source setup/mail-dovecot.sh
 source setup/mail-users.sh
 source setup/dkim.sh
 source setup/spamassassin.sh
+if [ "${REMOVE_NEXTCLOUD}" == "0" ] {
+	source setup/nextcloud-remove.sh
+}
 source setup/web.sh
 source setup/webmail.sh