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#!/bin/sh
#
# Copyright (c) 2002, 2003, 2004, 2005 Peter Palfrader <peter@palfrader.org>
#
# All rights reserved.
#
#
umask 037
set -e
set -u
DATE=`date "+%Y%m%d-%H%M%S"`
#PORT="-p 5433"
if [ -z "${PORT:-}" ]; then
PORT=""
else
PORT="-p $PORT"
fi
if [ -z "${PREFIX:-}" ]; then
PREFIX=""
else
PREFIX="$PREFIX-"
fi
if [ -d /var/backups/local/pg ]; then
BASE=/var/backups/local/pg
elif [ -d /var/local/backup/pg ]; then
BASE=/var/local/backup/pg
elif [ -d /aux/dbbackup/pg ]; then
BASE=/aux/dbbackup/pg
else
echo "Cannot find a backup target directory" >&2
exit 1
fi
sudo -u postgres psql $PORT -l -t | awk '$1 != "" {print $1}' |
while read db; do
if [ "$db" = "template0" -o "$db" = "template1" ] ; then
continue;
fi
file="$BASE/$DATE-$PREFIX$db.plain"
sudo -u postgres pg_dump $PORT --create --format=p "$db" > "$file"
nice bzip2 -- "$file"
md5=`md5sum -- "$file.bz2" | awk '{print $1}'`
if [ -e "$BASE/MD5-$md5" ]; then
rm -- "$file.bz2"
ln "$BASE/MD5-$md5" "$file.bz2"
else
ln "$file.bz2" "$BASE/MD5-$md5"
fi
done
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