Function switch

crates/lib/src/cli.rs:1494–1521

(opts: SwitchOpts)

/// Implementation of the `bootc switch` CLI command.
#[context("Switching")]
async fn switch(opts: SwitchOpts) -> Result<()> {
    // If we're doing an in-place mutation, we shortcut most of the rest of the work here
    // TODO: what we really want here is Storage::detect_from_root() that also handles
    // composefs. But for now this just assumes ostree.
    if opts.mutate_in_place {
        let target = imgref_for_switch(&opts)?;
        let deployid = {
            // Clone to pass into helper thread
            let target = target.clone();
            let root = cap_std::fs::Dir::open_ambient_dir("/", cap_std::ambient_authority())?;
            tokio::task::spawn_blocking(move || {
                crate::deploy::switch_origin_inplace(&root, &target)
            })
            .await??
        };
        println!("Updated {deployid} to pull from {target}");
        return Ok(());
    }
    let storage = &get_storage().await?;
    match storage.kind()? {
        BootedStorageKind::Ostree(booted_ostree) => {
            switch_ostree(opts, storage, &booted_ostree).await
        }
        BootedStorageKind::Composefs(booted_cfs) => {
            switch_composefs(opts, storage, &booted_cfs).await
        }
    }
}

/// Implementation of the `bootc rollback` CLI command for ostree backend.
#[context("Rollback (ostree)")]