zoi-cli 1.29.3

Advanced Package Manager & Environment Orchestrator
Documentation 
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//! Rolling back packages and transactions.

use anyhow::{Result, anyhow};

use crate::pkg::{self};

/// Rolls back a specific package to its previous state.
///
/// This looks for an installed package matching the name and triggers a
/// rollback operation.
///
/// # Errors
///
/// Returns an error if the package is not found or the rollback operation
/// fails.
pub fn run(
    package_name: &str,
    yes: bool,
    plugin_manager: Option<&crate::pkg::plugin::PluginManager>
) -> Result<()> {
    let request = pkg::resolve::parse_source_string(package_name)?;
    let mut candidates = Vec::new();
    for scope in [
        pkg::types::Scope::User,
        pkg::types::Scope::System,
        pkg::types::Scope::Project
    ] {
        candidates.extend(pkg::local::find_installed_manifests_matching(
            &request, scope
        )?);
    }
    if candidates.is_empty() {
        return Err(anyhow!("Package '{package_name}' is not installed."));
    }
    let chosen = crate::cmd::installed_select::choose_installed_manifest(
        package_name,
        &candidates,
        yes
    )?;

    if let Some(pm) = plugin_manager {
        pm.set_context(chosen.scope)?;
        pm.trigger_hook("on_rollback", None)?;
    }
    pkg::rollback::run(&pkg::local::installed_manifest_source(&chosen), yes)
}