#!/bin/bash
# if we get an error, keep going but return it at the end
last_error=0
trap 'last_error=$?' ERR
source ~/mw_vars
# No strict because the host is likely not named the same as
# the domain.
ssh="ssh -oStrictHostKeyChecking=no"
logfile=/var/log/${mwdomain}_backup.log
{
    echo "#### starting backup at $(date) ####"
    $ssh root@$mwdomain <<ENDSSH
set -x
tee -a $mwc<<'EOF'
\$wgReadOnly = 'Dumping Database, Access will be restored shortly';
EOF
mkdir -p ~/wiki_backups
mysqldump -p$dbpass --default-character-set=binary my_wiki  > ~/wiki_backups/wiki_db_backup
sed -i '\$ d' $mwc # delete read only setting
ENDSSH
    # add no strict option to the defaults

    rdiff() { rdiff-backup --remote-schema "$ssh -C  %s rdiff-backup --server" "$@"; }
    set -x
    rdiff root@$mwdomain::/root/wiki_backups ~/backup/${mwdomain}_wiki_db_backup
    rdiff root@$mwdomain::$mw ~/backup/${mwdomain}_wiki_file_backup
    set +x
    echo "=== ending backup at $(date) ===="
}  &>>$logfile
if [[ $last_error != 0 ]]; then
    echo "backup for $mwdomain failed. See $logfile"
fi
exit $last_error