#/usr/bin/env bash

## Variables ##

EXTRA="$1"
TAG="System"
BACKUP_DIR="/srv/backup"
BASENAME="$BACKUP_DIR/Backup"
BACKUP="$BASENAME.`now`.$HOSTNAME.$TAG.zip"

## Initialization ##

echo "*** Creating Backup Directory ***"
mkdir -pv $BACKUP_DIR
chmod -Rv 755 $BACKUP_DIR
chown -Rv root:root $BACKUP_DIR

## Cleanup ##

echo "*** Removing Old Backups ***"
sh -c 'rm -fv "$BASENAME"*"$TAG"*'

## Main

echo "*** Creating backup at '$BACKUP' ***"
sudo zip -rv "$BACKUP" \
   /etc /var/{log,mail,spool} /srv /boot \
   /usr/local/etc $EXTRA
status="$?"

if [[ "$status" != 0 ]]; then
   echo "*** ERROR: Failed to create '$BACKUP', file may be incorrect. ***"
fi

if [[ -e "$BACKUP" ]]; then
   ls -alh "$BACKUP"
   echo "*** '$BACKUP' created successfully! ***"s
else
   echo "*** '$BACKUP' not found! ***"
   exit 1
fi

exit 0