#!/bin/bash
# Evaggelos Balaskas, <ebalaskas AT ebalaskas DOT gr>, 20101126
DIR="/backup/bak"
PATHS="/etc /usr/local/etc /boot /root /var/spool/cron"
BACKUP="backup"
PACMAN="/bin/rpm -qa"
RSYNC="/usr/bin/rsync -ra"
MKDIR="/bin/mkdir -p"
DATE="/bin/date"
CP="/bin/cp -al "
MV="/bin/mv -f"
RM="/bin/rm -rf"
SORT="/bin/sort"
TOUCH="/bin/touch"
DAYS="101"
 
# Make Directory Structure
$MKDIR $DIR/`$DATE +%Y/%m/%d`
 
# Package List
$PACMAN | $SORT > $DIR/`$DATE +%Y/%m/%d/pkglist_%H_%M`
 
# Rotation
if [ -d "$DIR/$BACKUP.$DAYS" ] ; then
  $RM $DIR/$BACKUP.$DAYS
fi
 
# Print zeroes before number. 3 digit, eg 001
function dir_name {
 
  zeroes=""
  number=$1
  if [ $number -lt 100 ]; then
	zeroes="0"
  fi
  if [ $number -lt 10 ]; then
	zeroes="0"$zeroes
  fi
	echo $zeroes$number
}
 
# Loop for n Days
for i in `seq $(expr $DAYS – 1 ) -1 1` ;do
 
  CUR_DIR_NAME=$(dir_name $i)
  PRE_DIR_NAME=$(dir_name $(expr $i + 1))
 
  # Delete previous/destination folder
  if [ -d "$DIR/$BACKUP.$PRE_DIR_NAME" ]; then
    $RM $DIR/$BACKUP.$PRE_DIR_NAME
  fi
  # Move the current folder to previous folder
  if [ -d "$DIR/$BACKUP.$CUR_DIR_NAME" ]; then
    $MV $DIR/$BACKUP.$CUR_DIR_NAME $DIR/$BACKUP.$PRE_DIR_NAME
  fi
done
 
# Create Hard Link
if [ -d "$DIR/$BACKUP.000" ] ; then
  $CP $DIR/$BACKUP.000 $DIR/$BACKUP.001
fi
 
# Sychronization
for k in $PATHS; do
  $MKDIR $DIR/$BACKUP.000$k/
  $RSYNC --delete $k/ $DIR/$BACKUP.000$k
done
 
# TimeStamp
$TOUCH $DIR/$BACKUP.000

#!/bin/bash
DIR="/var/cache/pacman/pkglist"
PATHS="/etc /usr/local/etc /boot"
BACKUP="backup"
PACMAN="/usr/bin/pacman -Qqe"
RSYNC="/usr/bin/rsync -ra"
MKDIR="/bin/mkdir -p"
DATE="/bin/date"
CP="/bin/cp -al "
MV="/bin/mv -f"
RM="/bin/rm -rf"
TOUCH="/bin/touch"
DAYS="101"
 
# Make Directory Structure
$MKDIR $DIR/`$DATE +%Y/%m/%d`
 
# Package List
$PACMAN | $SORT > $DIR/`$DATE +%Y/%m/%d/pkglist_%H_%M`
 
# Rotation
if [ -d "$DIR/$BACKUP.$DAYS" ] ; then
  $RM $DIR/$BACKUP.$DAYS
fi
 
# Print zeroes before number. 3 digit, eg 001
function dir_name {
 
  zeroes=""
  number=$1
  if [ $number -lt 100 ]; then
	zeroes="0"
  fi
  if [ $number -lt 10 ]; then
	zeroes="0"$zeroes
  fi
	echo $zeroes$number
}
 
# Loop for n Days
for i in `seq $(expr $DAYS – 1 ) -1 1` ;do
 
  CUR_DIR_NAME=$(dir_name $i)
  PRE_DIR_NAME=$(dir_name $(expr $i + 1))
 
  # Delete previous/destination folder
  if [ -d "$DIR/$BACKUP.$PRE_DIR_NAME" ]; then
    $RM $DIR/$BACKUP.$PRE_DIR_NAME
  fi
  # Move the current folder to previous folder
  if [ -d "$DIR/$BACKUP.$CUR_DIR_NAME" ]; then
    $MV $DIR/$BACKUP.$CUR_DIR_NAME $DIR/$BACKUP.$PRE_DIR_NAME
  fi
done
 
# Create Hard Link
if [ -d "$DIR/$BACKUP.000" ] ; then
  $CP $DIR/$BACKUP.000 $DIR/$BACKUP.001
fi
 
# Sychronization
for k in $PATHS; do
  $MKDIR $DIR/$BACKUP.000$k/
  $RSYNC --delete $k/ $DIR/$BACKUP.000$k
done
 
# TimeStamp
$TOUCH $DIR/$BACKUP.000