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cmd_reboot.go
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cmd_reboot.go
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// -*- Mode: Go; indent-tabs-mode: t -*-
/*
* Copyright (C) 2020 Canonical Ltd
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 3 as
* published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*
*/
package main
import (
"fmt"
"github.com/jessevdk/go-flags"
"github.com/snapcore/snapd/i18n"
)
type cmdReboot struct {
clientMixin
Positional struct {
Label string
} `positional-args:"true"`
RunMode bool `long:"run"`
InstallMode bool `long:"install"`
RecoverMode bool `long:"recover"`
FactoryResetMode bool `long:"factory-reset"`
}
var shortRebootHelp = i18n.G("Reboot into selected system and mode")
var longRebootHelp = i18n.G(`
The reboot command reboots the system into a particular mode of the selected
recovery system.
When called without a system label and without a mode it will just
trigger a regular reboot.
When called without a label, the current system will be used for "run" mode. The
default recovery system will be used for "recover", "factory-reset" and
"install" modes.
Note that the "run" mode is only available for the current system.
`)
func init() {
addCommand("reboot", shortRebootHelp, longRebootHelp, func() flags.Commander {
return &cmdReboot{}
}, map[string]string{
// TRANSLATORS: This should not start with a lowercase letter.
"run": i18n.G("Boot into run mode"),
// TRANSLATORS: This should not start with a lowercase letter.
"install": i18n.G("Boot into install mode"),
// TRANSLATORS: This should not start with a lowercase letter.
"recover": i18n.G("Boot into recover mode"),
// TRANSLATORS: This should not start with a lowercase letter.
"factory-reset": i18n.G("Boot into factory-reset mode"),
}, []argDesc{
{
// TRANSLATORS: This needs to begin with < and end with >
name: i18n.G("<label>"),
// TRANSLATORS: This should not start with a lowercase letter.
desc: i18n.G("The recovery system label"),
},
})
}
func (x *cmdReboot) modeFromCommandline() (string, error) {
var mode string
for _, arg := range []struct {
enabled bool
mode string
}{
{x.RunMode, "run"},
{x.RecoverMode, "recover"},
{x.InstallMode, "install"},
{x.FactoryResetMode, "factory-reset"},
} {
if !arg.enabled {
continue
}
if mode != "" {
return "", fmt.Errorf(i18n.G("Please specify a single mode"))
}
mode = arg.mode
}
return mode, nil
}
func (x *cmdReboot) Execute(args []string) error {
if len(args) > 0 {
return ErrExtraArgs
}
mode, err := x.modeFromCommandline()
if err != nil {
return err
}
if err := x.client.RebootToSystem(x.Positional.Label, mode); err != nil {
return err
}
switch {
case x.Positional.Label != "" && mode != "":
fmt.Fprintf(Stdout, i18n.G("Reboot into %q %q mode.\n"), x.Positional.Label, mode)
case x.Positional.Label != "":
fmt.Fprintf(Stdout, i18n.G("Reboot into %q.\n"), x.Positional.Label)
case mode != "":
fmt.Fprintf(Stdout, i18n.G("Reboot into %q mode.\n"), mode)
default:
fmt.Fprintf(Stdout, i18n.G("Reboot\n"))
}
return nil
}