package pkg

import (
	"git.xdrm.io/go/nix-amer/internal/exec"
)

// DefaultManager if not empty is the default package-manager to use when missing
var DefaultManager = ""

// PackageManager is the common interface for all package-manager drivers (e.g. `dpkg` for debian-based, `pacman` for arch)
type PackageManager interface {
	// SetExecContext sets the execution context, default is os/exec
	SetExecutor(exec.Executor)
	// Name of executable (to check if installed and for debug)
	Name() string
	// Fetch updates the package cache/databse
	Fetch() error
	// Upgrade already installed packages and whatever can be upgraded with warranty (e.g. kernel)
	Upgrade() error
	// Install a given package
	Install(string) error
	// Remove a package given package
	Remove(string) error
}