First version of setup.sh

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+#!/bin/bash
+
+#
+# Pre defined variables
+#
+backupMainDir='/media/hdd/nextcloud_backup'
+nextcloudFileDir='/var/www/nextcloud'
+webserverUser='www-data'
+
+#
+# Gather information
+#
+read -p "In which directory the backups should be saved (default: ${backupMainDir}). Enter a directory or press ENTER if the backup directory should be ${backupMainDir}: " BACKUPMAINDIR
+
+[ -z "$BACKUPMAINDIR" ] ||  backupMainDir=$BACKUPMAINDIR
+
+read -p "Enter the path to the Nextcloud file directory (usually ${nextcloudFileDir}). Enter a directory or press ENTER if the file directory is ${nextcloudFileDir}: " NEXTCLOUDFILEDIRECTORY
+
+[ -z "$NEXTCLOUDFILEDIRECTORY" ] ||  nextcloudFileDir=$NEXTCLOUDFILEDIRECTORY
+
+read -p "Enter the webserver user (usually ${webserverUser}). Enter an new user or press ENTER if the webserver user is ${webserverUser}: " WEBSERVERUSER
+
+[ -z "$WEBSERVERUSER" ] ||  webserverUser=$WEBSERVERUSER
+
+echo ""
+echo ""
+echo "Backup directory: ${backupMainDir}"
+echo "Nextcloud file directory: ${nextcloudFileDir}"
+echo "Webserver user: ${webserverUser}"
+echo ""
+read -p "Is the information correct? [y/N] " CORRECTINFO
+
+if [ "$CORRECTINFO" != 'y' ] ; then
+  echo "ABORTING!"
+  echo "No file has been altered."
+  exit 1
+fi
+
+function occ_get() {
+       sudo -u "${webserverUser}" php ${nextcloudFileDir}/occ config:system:get "$1"
+}
+
+# Make test call to OCC
+occ_get datadirectory
+
+if [ $? -ne 0 ]; then
+    echo "Error calling OCC: Please check if the information provided was correct."
+       echo "ABORTING!"
+       echo "No file has been altered."
+       exit 1
+fi
+
+#
+# Read data from OCC and write to backup/restore scripts.
+#
+
+echo ""
+echo ""
+echo "Modifying NextcloudBackup.sh and NextcloudRestore.sh to match your installation..."
+echo ""
+
+# Backup main dir
+sed -i "s@^    backupMainDir.*@    backupMainDir='$backupMainDir'@" ./NextcloudBackup.sh
+sed -i "s@^    backupMainDir.*@    backupMainDir='$backupMainDir'@" ./NextcloudRestore.sh
+
+# Nextcloud file dir
+sed -i "s@^nextcloudFileDir.*@nextcloudFileDir='$nextcloudFileDir'@" ./NextcloudBackup.sh
+sed -i "s@^nextcloudFileDir.*@nextcloudFileDir='$nextcloudFileDir'@" ./NextcloudRestore.sh
+
+# Nextcloud data dir
+nextcloudDataDir=$(occ_get datadirectory)
+
+sed -i "s@^nextcloudDataDir=.*@nextcloudDataDir='$nextcloudDataDir'@" ./NextcloudBackup.sh
+sed -i "s@^nextcloudDataDir=.*@nextcloudDataDir='$nextcloudDataDir'@" ./NextcloudRestore.sh
+
+# Webserver service name
+
+# Webserver user
+sed -i "s/^webserverUser.*/webserverUser='$webserverUser'/" ./NextcloudBackup.sh
+sed -i "s/^webserverUser.*/webserverUser='$webserverUser'/" ./NextcloudRestore.sh
+
+# Database system
+databaseSystem=$(occ_get dbtype)
+
+sed -i "s/^databaseSystem.*/databaseSystem='$databaseSystem'/" ./NextcloudBackup.sh
+sed -i "s/^databaseSystem.*/databaseSystem='$databaseSystem'/" ./NextcloudRestore.sh
+
+# Database
+nextcloudDatabase=$(occ_get dbname)
+
+sed -i "s/^nextcloudDatabase.*/nextcloudDatabase='$nextcloudDatabase'/" ./NextcloudBackup.sh
+sed -i "s/^nextcloudDatabase.*/nextcloudDatabase='$nextcloudDatabase'/" ./NextcloudRestore.sh
+
+# Database user
+dbUser=$(occ_get dbuser)
+
+sed -i "s/^dbUser.*/dbUser='$dbUser'/" ./NextcloudBackup.sh
+sed -i "s/^dbUser.*/dbUser='$dbUser'/" ./NextcloudRestore.sh
+
+# Database password
+dbPassword=$(occ_get dbpassword)
+
+sed -i "s/^dbPassword.*/dbPassword='$dbPassword'/" ./NextcloudBackup.sh
+sed -i "s/^dbPassword.*/dbPassword='$dbPassword'/" ./NextcloudRestore.sh
+
+echo ""
+echo "Done!"
+echo ""
+echo ""
+echo "IMPORTANT: Please check NextcloudBackup.sh and NextcloudRestore.sh if all variables were set correctly BEFORE running these scripts!"
+echo ""
+echo ""
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