package systemctl

import (
	"errors"
)

var (
	// ErrSystemctlNotInstalled means that upon trying to manually locate systemctl in the user's path,
	// it was not found. If this error occurs, the library isn't entirely useful.
	ErrNotInstalled = errors.New("systemd binary was not found")

	// ErrExecTimeout means that the provided context was done before the command finished execution.
	ErrExecTimeout = errors.New("command timed out")

	// ErrInsufficientPermissions means the calling executable was invoked without enough permissions to run the selected command
	ErrInsufficientPermissions = errors.New("insufficient permissions for action")

	// ErrDoesNotExist means the unit specified doesn't exist or can't be found
	ErrDoesNotExist = errors.New("Unit does not exist")
	// ErrUnspecified means something in the stderr output contains the word `Failed`, but not a known case
	ErrUnspecified = errors.New("Unknown error")
	// ErrUnitNotRunning means a function which requires a unit to be run (such as GetStartTime) was run against an inactive unit
	ErrUnitNotRunning = errors.New("Unit isn't running")
	// ErrBusFailure means $DBUS_SESSION_BUS_ADDRESS and $XDG_RUNTIME_DIR were not defined
	ErrBusFailure = errors.New("Failure to connect to bus, did you run in usermode as root?")
	// ErrValueNotSet means an expected value is unavailable, but the unit may be running
	ErrValueNotSet = errors.New("Value not set or unavailable")
	// ErrMasked means a unit cannot be enabled because it is masked
	ErrMasked = errors.New("Unit is masked")
)