[pbs-devel] [PATCH proxmox-backup v3 05/24] add helper for checking if a removable datastore is available

[Dietmar Maurer]

All public functions should have docs!


> +pub fn check_if_available(config: &DataStoreConfig) -> Result<(), Error> {
> +    config.backing_device.as_ref().map_or(Ok(()), |uuid| {
> +        let mut command = std::process::Command::new("findmnt");
> +        command.args(["-n", "-o", "TARGET", "--source", &format!("UUID={uuid}")]);
> +
> +        match proxmox_sys::command::run_command(command, None) {
> +            Ok(mount_point) if mount_point.trim_end() == config.path => Ok(()),
> +            _ => Err(format_err!(
> +                "device for datastore '{}' has to be mounted at '{}'",
> +                config.name,
> +                config.path
> +            )),
> +        }
> +    })
> +}