Hacky way to apply mount options to fstab entries

fstab.pp

class profile::fstab {
    
    define fstab::mount($options) {
        $mount = $title
    
        exec { "fstab_remount_${mount}":
            command => "/bin/env mount -o remount ${title}",
            refreshonly => true
        }
    
        $mo = prefix($options, "$mount:")
        fstab::mount::helper { $mo: }
    }
    
    define fstab::mount::helper {
        $mo = split($title, ':')
    
        $mount = $mo[0]
        $option = $mo[1]
    
        $opt = split($option, '=')
        $base_changes = [
            'ins opt after opt[last()]',
            "set opt[last()] '${opt[0]}'",
        ]
    
        if size($opt) > 1 {
            $changes = concat($base_changes, [
                "set opt[last()]/value '${opt[1]}'"
            ])
        } else {
            $changes = $base_changes
        }
    
        augeas { "set_${mount}_${option}":
            context => "/files/etc/fstab/*[file='${mount}']",
            incl    => '/etc/fstab',
            lens    => 'fstab.lns',
            changes => $changes,
            onlyif  => "match /files/etc/fstab/*[file='${mount}'][count(opt[.='${opt[0]}']) = 0] size > 0",
            notify  => Exec["fstab_remount_${mount}"],
        }
    }
    
    fstab::mount { ['/', '/home', '/usr', '/var', '/var/log', '/var/log/audit', '/srv/nmrepo']:
        options => ['noatime','nodiratime','barrier=0','errors=remount-ro']
    }
}