#!/bin/bash
#
# rmlogs [dbDir] - removes BERKELEY-DB log files
#

dbDir=$HOME/secondo-databases;
if [ "$1" != "" ]; then
 dbDir="$1" 
fi
if [ -d $dbDir ]; then
  echo "Cleaning $dbDir ..."
else
  echo "Directory $dbDir does not exist."	
  exit 1
fi

which db_archive >/dev/null
if [ $? -eq 0 ]; then
  ARCHIVE=db_archive
else
  ARCHIVE=$(ls /usr/bin/db?.?_archive)
fi

if [ -z "$ARCHIVE" ]; then
    echo "tool db_archive not found"
    exit 1
fi  

which "$ARCHIVE" >/dev/null
if [ $? -ne 0 ]; then
       echo "Try to use $ARCHIVE as db_archive failed"
       exit 1
fi


which db_checkpoint >/dev/null
if [ $? -eq 0 ]; then
  CHECKPOINT=db_checkpoint
else
  CHECKPOINT=$(ls /usr/bin/db?.?_checkpoint)
if [ -z "$CHECKPOINT" ]; then
    echo "tool db_checkpoint not found"
    exit 1
else  
    which $CHECKPOINT >/dev/null
if [ $? -ne 0 ]; then
       echo "Try to use $CHECKPOINT as db_checkpoint failed"
       exit 1
fi
fi
fi


cd $dbDir 
if [ $? -ne 0 ]; then
  echo  "Error: Could not change to $dbDir"
else
  echo  "Deleting unused log files in $dbDir ..."
  $CHECKPOINT -v1
  for file in $($ARCHIVE); do
    echo  "deleting $file"
    rm -f $file
  done
  echo  "Deleting old 0tmp subdirectories ..."
  files=$(find $dbDir -name "0tmp*")
  for file in $files; do
    echo  "deleting $file"
    rm -rf $file
  done
fi