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// -*- Mode: Go; indent-tabs-mode: t -*-
/*
* Copyright (C) 2022 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 (
"errors"
"github.com/jessevdk/go-flags"
"github.com/snapcore/snapd/boot"
"github.com/snapcore/snapd/i18n"
"github.com/snapcore/snapd/release"
)
type cmdBootvarsGet struct {
UC20 bool `long:"uc20"`
RootDir string `long:"root-dir"`
}
type cmdBootvarsSet struct {
RootDir string `long:"root-dir"`
Recovery bool `long:"recovery"`
Positional struct {
VarEqValue []string `positional-arg-name:"<var-eq-value>" required:"1"`
} `positional-args:"yes" required:"yes"`
}
func init() {
cmdGet := addDebugCommand("boot-vars",
"(internal) obtain the snapd boot variables",
"(internal) obtain the snapd boot variables",
func() flags.Commander {
return &cmdBootvarsGet{}
}, map[string]string{
"uc20": i18n.G("Whether to use UC20+ boot vars or not"),
"root-dir": i18n.G("Root directory to look for boot variables in"),
}, nil)
cmdSet := addDebugCommand("set-boot-vars",
"(internal) set snapd boot variables",
"(internal) set snapd boot variables",
func() flags.Commander {
return &cmdBootvarsSet{}
}, map[string]string{
"root-dir": i18n.G("Root directory to look for boot variables in (implies UC20+)"),
"recovery": i18n.G("Manipulate the recovery bootloader (implies UC20+)"),
}, nil)
if release.OnClassic {
cmdGet.hidden = true
cmdSet.hidden = true
}
}
func (x *cmdBootvarsGet) Execute(args []string) error {
if release.OnClassic {
return errors.New(`the "boot-vars" command is not available on classic systems`)
}
return boot.DebugDumpBootVars(Stdout, x.RootDir, x.UC20)
}
func (x *cmdBootvarsSet) Execute(args []string) error {
if release.OnClassic {
return errors.New(`the "boot-vars" command is not available on classic systems`)
}
return boot.DebugSetBootVars(x.RootDir, x.Recovery, x.Positional.VarEqValue)
}
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