# -*- mode: sh; sh-basic-offset: 8; indent-tabs-mode: nil; -*-
#
# this handler will backup subversion repostitories.
#

getconf src /var/lib/svn
getconf dest /var/backups/svn
getconf tmp /var/backups/svn.tmp
getconf HOTBACKUP "/usr/bin/svnadmin hotcopy"
getconf vsname	

error=0

# If vservers are configured, decide if the handler should
# use them or if it should just operate on the host
if [ "$vservers" = "yes" ]
then
	if [ ! -z $vsname ]
	then		
		info "Using vserver '$vsname'"
		usevserver=1
	else
		info "No vserver name specified, actions will be performed on the host"
	fi
fi

# If needed, make sure that the specified vserver exists and is running.
if [ $usevserver ]
then
	info "examining vserver '$vsname'"
        # does it exist ?
	vroot="$VROOTDIR/$vsname"
	[ -d $vroot ] || fatal "vserver '$vsname' does not exist at '$vroot'"
        # is it running ?
	running=`$VSERVERINFO $vsname RUNNING`
	[ "$running" = "1" ] || fatal "vserver $vsname is not running."
fi

cd $vroot$src
for repo in `find . -name svnserve.conf`
do
    repo=`dirname $repo`
    repo=`dirname $repo`

    ret=`mkdir -p $vroot$tmp/$repo 2>&1`
    code=$?
    if [ "$ret" ]; then
       debug "$ret"
    fi
    if [ $code != 0 ]; then   
       error "command failed mkdir -p $vroot$tmp/$repo"
    fi

    if [ $usevserver ]
    then
	ret=`$VSERVER $vsname exec $HOTBACKUP $src/$repo $tmp/$repo 2>&1`
    else
	ret=`$HOTBACKUP $src/$repo $tmp/$repo 2>&1`
    fi
    code=$?
    if [ "$ret" ]; then
       debug "$ret"
    fi
    if [ $code != 0 ]; then
       error "command failed -- $HOTBACKUP $vroot$src/$repo $vroot$tmp/$repo"
       error=1
    fi
done

if [ $error -eq 1 ]; then
    echo "Error: because of earlier errors, we are leaving svn backups in $vroot$tmp instead of $vroot$dest"
else
    if [ -d $vroot$dest -a -d $vroot$tmp ]; then
        rm -rf $vroot$dest
    fi
    if [ -d $vroot$tmp ]; then
        mv $vroot$tmp $vroot$dest
    fi
fi

exit 0