# given no arguments, returns the local version.
# given a user and host, returns the remote version.
# if user or host is missing, returns the local version.
+ local version
if [ "$#" -lt 2 ]; then
debug "$RDIFFBACKUP -V"
echo `$RDIFFBACKUP -V`
local user=$1
local host=$2
debug "ssh $sshoptions $host -l $user '$RDIFFBACKUP -V'"
- echo `ssh $sshoptions $host -l $user "$RDIFFBACKUP -V | grep rdiff-backup"`
+ version=`ssh $sshoptions $host -l $user "$RDIFFBACKUP -V"`
+ if [ $? = 127 ]; then
+ fatal "Unable to execute rdiff-backup on remote server. It probably isn't installed"
+ else
+ echo "$version" | grep rdiff-backup
+ fi
fi
}