btrfsmaintenance from home:holden:branches:filesystems project

Per openSUSE Tumbleweed eseguire quanto segue come root:

zypper addrepo https://download.opensuse.org/repositories/home:holden:branches:filesystems/openSUSE_Tumbleweed/home:holden:branches:filesystems.repo
zypper refresh
zypper install btrfsmaintenance