backupd-daemon

#!/bin/bash
#     backupd-daemon - part of backupd
#
#     This program is free software: you can redistribute it and/or modify
#     it under the terms of the GNU General Public License as published by
#     the Free Software Foundation, either version 3 of the License, or
#     (at your option) any later version.
#
#     This program is distributed in the hope that it will be useful,
#     but WITHOUT ANY WARRANTY; without even the implied warranty of
#     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
#     GNU General Public License for more details.
#
#     You should have received a copy of the GNU General Public License
#     along with this program.  If not, see <http://www.gnu.org/licenses/>.

DATE=$(date "+%Y-%m-%d")
baseName=$(hostname)-$DATE
bkpFile=$baseName.tar.xz
gpgFile="${bkpFile%%.*}.gpg"
configFile=$HOME/.config/backupd.conf
tmpDir=/tmp/backup-$DATE

if [ -f "${configFile}" ]; then
  . ${configFile}
fi

mkdir -p $tmpDir && cd $tmpDir

if [ "$webDav" == 'y' ]; then
  if ! [[ $(cat /etc/mtab | grep ${syncDir}) ]]; then
    echo -ne ">>> Mounting remote folder..."
      mount $syncDir
    echo -e " Done"
  else
    echo -e " Directory already mounted!"
  fi
fi

XZ_OPT=-9 tar -Jpcf - $sourceDir | pigz > $bkpFile
echo ">>> Backup file compressed"

gpg --quiet -default-key=$keyId -r $recipient -e $bkpFile && mv $bkpFile.gpg $gpgFile
gpg --quiet -s -o $gpgFile.asc --detach-sig $gpgFile
echo ">>> Backup encrypted"

mv -u $gpgFile $syncDir/
mv -u $gpgFile.asc $syncDir/

if [ -f "$syncDir/$gpgFile" ]; then
  cd "$OLDPWD" && rm -rf $tmpDir
  echo ">>> Backup successfully synced!"
else
  echo "!!! Error(s) occurred while backing up, check log files."
fi