#!/bin/bash
set -e
set -o pipefail

site=${1#/srv/}
site=${site%/}
case "$site" in
	'' | */* | .*) exit 1 ;;
esac
[ -d /srv/"$site" ]
db_host=$(wordpress-config-info "$site" | jq -r .db_host)
db_name=$(wordpress-config-info "$site" | jq -r .db_name)
[ "$db_name" ]


[ "$REMOTE_HOST" ]
remote_host=$REMOTE_HOST

NO_ACT=y

html_dir=/./srv/$site/public_html 
conf_file=/./etc/apache2/sites-available/$site.conf
[ -d "$html_dir" ]
[ -f "$conf_file" ]




installer()
{
	echo mysqlrestore "$1"
}

installer_source_code()
{
	echo '#!/bin/sh'
	declare -f installer
	echo "installer \"$1\""
}

do_rsync()
{ (
	set -x
	rsync ${NO_ACT:+ -nv} -u -aRi --delete --partial "$conf_file" "$html_dir" "$remote_host":/"$target_dir"
) }

do_mysqldump()
{ (
	case "$NO_ACT" in
		'') of=/srv/$site/wordpress-database~"$(date -Ins)".sql.gz ;;
		* ) of=/dev/null ;;
	esac
	oftest=/srv/$site/wordpress-database~"$(date -Ins)".sql.gz
	printf '%s\n' "$oftest" >&2
	installer_source_code "$oftest" >&2

	if [ "$use_rsync" ]
	then
		set -x
		dumpfile=$(mktemp -p "$XDG_RUNTIME_DIR") || dumpfile=$(mktemp)
		ssh "$db_host" -- mysqldump "$db_name" | gzip -c > "$dumpfile"
		rsync --ignore-existing "$dumpfile" "$remote_host":"$of"
		rm "$dumpfile"
	else
		set -x
		mysqldump "$db_name" | gzip -c | ssh "$remote_host" dd conv=notrunc "of=$of"
	fi
) }

use_rsync=y
do_rsync
do_mysqldump