From f7117da82f1e493bdc1b2d583056526426788706 Mon Sep 17 00:00:00 2001
From: DecaTec <jr@decatec.de>
Date: Sun, 17 Sep 2017 18:16:30 +0200
Subject: [PATCH] The number of backups can be specified, older backups are
 deleted automatically

---
 NextcloudBackup.sh  | 34 ++++++++++++++++++++++++++++++++++
 NextcloudRestore.sh | 19 +++++++++++++++++++
 2 files changed, 53 insertions(+)

diff --git a/NextcloudBackup.sh b/NextcloudBackup.sh
index ace78d8..469d9d1 100644
--- a/NextcloudBackup.sh
+++ b/NextcloudBackup.sh
@@ -32,6 +32,8 @@ dbUser="nextcloud_db_user"
 dbPassword="mYpAsSw0rd"
 # TODO: Your webserver user
 webserverUser="www-data"
+# TODO: The maximum number of backups to keep (when set to 0, all backups are kept)
+maxNrOfBackups=0
 
 # File names for backup files
 # If you prefer other file names, you'll also have to change the NextcloudRestore.sh script.
@@ -70,6 +72,7 @@ cd "${nextcloudFileDir}"
 sudo -u "${webserverUser}" php occ maintenance:mode --on
 cd ~
 echo "Done"
+echo
 
 #
 # Stop webserver
@@ -77,6 +80,7 @@ echo "Done"
 echo "Stopping nginx..."
 service nginx stop
 echo "Done"
+echo
 
 #
 # Backup file and data directory
@@ -84,9 +88,12 @@ echo "Done"
 echo "Creating backup of Nextcloud file directory..."
 tar -cpzf "${backupdir}/${fileNameBackupFileDir}" -C "${nextcloudFileDir}" .
 echo "Done"
+echo
+
 echo "Creating backup of Nextcloud data directory..."
 tar -cpzf "${backupdir}/${fileNameBackupDataDir}"  -C "${nextcloudDataDir}" .
 echo "Done"
+echo
 
 #
 # Backup DB
@@ -94,18 +101,45 @@ echo "Done"
 echo "Backup Nextcloud database..."
 mysqldump --single-transaction -h localhost -u "${dbUser}" -p"${dbPassword}" "${nextcloudDatabase}" > "${backupdir}/${fileNameBackupDb}"
 echo "Done"
+echo
 
 #
 # Start webserver
 #
+echo "Starting webserver..."
 service nginx start
+echo "Done"
+echo
 
 #
 # Disable maintenance mode
 #
+echo "Switching off maintenance mode..."
 cd "${nextcloudFileDir}"
 sudo -u "${webserverUser}" php occ maintenance:mode --off
 cd ~
+echo "Done"
+echo
+
+#
+# Delete old backups
+#
+if [ ${maxNrOfBackups} != 0 ]
+then	
+	nrOfBackups=$(ls -l ${backupMainDir} | grep -c ^d)
+	
+	if [  ${maxNrOfBackups} > ${nrOfBackups}} ]
+	then
+		echo "Removing old backups..."
+		ls -t ${backupMainDir} | tail -$(( nrOfBackups - maxNrOfBackups )) | while read dirToRemove; do
+		echo "${dirToRemove}"
+		rm -r ${backupMainDir}/${dirToRemove}
+		echo "Done"
+		echo
+    done
+	fi
+fi
 
+echo
 echo "DONE!"
 echo "Backup created: ${backupdir}"
diff --git a/NextcloudRestore.sh b/NextcloudRestore.sh
index 78b624b..200ff5f 100644
--- a/NextcloudRestore.sh
+++ b/NextcloudRestore.sh
@@ -77,6 +77,7 @@ cd "${nextcloudFileDir}"
 sudo -u "${webserverUser}" php occ maintenance:mode --on
 cd ~
 echo "Done"
+echo
 
 #
 # Stop webserver
@@ -84,6 +85,7 @@ echo "Done"
 echo "Stopping nginx..."
 service nginx stop
 echo "Done"
+echo
 
 #
 # Delete old Nextcloud direcories
@@ -92,10 +94,13 @@ echo "Deleting old Nextcloud file directory..."
 rm -r "${nextcloudFileDir}"
 mkdir -p "${nextcloudFileDir}"
 echo "Done"
+echo
+
 echo "Deleting old Nextcloud data directory..."
 rm -r "${nextcloudDataDir}"
 mkdir -p "${nextcloudDataDir}"
 echo "Done"
+echo
 
 #
 # Restore file and data directory
@@ -103,9 +108,12 @@ echo "Done"
 echo "Restoring Nextcloud file directory..."
 tar -xpzf "${currentRestoreDir}/${fileNameBackupFileDir}" -C "${nextcloudFileDir}"
 echo "Done"
+echo
+
 echo "Restoring Nextcloud data directory..."
 tar -xpzf "${currentRestoreDir}/${fileNameBackupDataDir}" -C "${nextcloudDataDir}"
 echo "Done"
+echo
 
 #
 # Restore database
@@ -113,12 +121,17 @@ echo "Done"
 echo "Dropping old Nextcloud DB..."
 mysql -h localhost -u "${dbUser}" -p"${dbPassword}" -e "DROP DATABASE ${nextcloudDatabase}"
 echo "Done"
+echo
+
 echo "Creating new DB for Nextcloud..."
 mysql -h localhost -u "${dbUser}" -p"${dbPassword}" -e "CREATE DATABASE ${nextcloudDatabase}"
 echo "Done"
+echo
+
 echo "Restoring backup DB..."
 mysql -h localhost -u "${dbUser}" -p"${dbPassword}" "${nextcloudDatabase}" < "${currentRestoreDir}/${fileNameBackupDb}"
 echo "Done"
+echo
 
 #
 # Start webserver
@@ -126,6 +139,7 @@ echo "Done"
 echo "Starting nginx..."
 service nginx start
 echo "Done"
+echo
 
 #
 # Set directory permissions
@@ -134,6 +148,7 @@ echo "Setting directory permissions..."
 chown -R "${webserverUser}" "${nextcloudFileDir}"
 chown -R "${webserverUser}" "${nextcloudDataDir}"
 echo "Done"
+echo
 
 #
 # Update the system data-fingerprint (see https://docs.nextcloud.com/server/12/admin_manual/configuration_server/occ_command.html#maintenance-commands-label)
@@ -143,6 +158,7 @@ cd "${nextcloudFileDir}"
 sudo -u "${webserverUser}" php occ maintenance:data-fingerprint
 cd ~
 echo "Done"
+echo
 
 
 #
@@ -161,6 +177,7 @@ chown root:"${webserverUser}" "${nextcloudDataDir}/.htaccess"
 chmod 0644 "${nextcloudFileDir}/.htaccess"
 chmod 0644 "${nextcloudDataDir}/.htaccess"
 echo "Done"
+echo
 
 #
 # Disbale maintenance mode
@@ -170,6 +187,8 @@ cd "${nextcloudFileDir}"
 sudo -u "${webserverUser}" php occ maintenance:mode --off
 cd ~
 echo "Done"
+echo
 
+echo
 echo "DONE!"
 echo "Backup ${restore} successfully restored."
-- 
2.34.1