github.com/meulengracht/snapd@v0.0.0-20210719210640-8bde69bcc84e/cmd/snap/cmd_first_boot.go (about)

     1  // -*- Mode: Go; indent-tabs-mode: t -*-
     2  
     3  /*
     4   * Copyright (C) 2014-2015 Canonical Ltd
     5   *
     6   * This program is free software: you can redistribute it and/or modify
     7   * it under the terms of the GNU General Public License version 3 as
     8   * published by the Free Software Foundation.
     9   *
    10   * This program is distributed in the hope that it will be useful,
    11   * but WITHOUT ANY WARRANTY; without even the implied warranty of
    12   * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    13   * GNU General Public License for more details.
    14   *
    15   * You should have received a copy of the GNU General Public License
    16   * along with this program.  If not, see <http://www.gnu.org/licenses/>.
    17   *
    18   */
    19  
    20  package main
    21  
    22  import (
    23  	"fmt"
    24  
    25  	"github.com/jessevdk/go-flags"
    26  )
    27  
    28  type cmdInternalFirstBoot struct{}
    29  
    30  func init() {
    31  	cmd := addCommand("firstboot",
    32  		"Deprecated (hidden)",
    33  		"The firstboot command is only retained for backwards compatibility.",
    34  		func() flags.Commander {
    35  			return &cmdInternalFirstBoot{}
    36  		}, nil, nil)
    37  	cmd.hidden = true
    38  }
    39  
    40  // WARNING: do not remove this command, older systems may still have
    41  //          a systemd snapd.firstboot.service job in /etc/systemd/system
    42  //          that we did not cleanup. so we need this dummy command or
    43  //          those units will start failing.
    44  func (x *cmdInternalFirstBoot) Execute(args []string) error {
    45  	if len(args) > 0 {
    46  		return ErrExtraArgs
    47  	}
    48  	fmt.Fprintf(Stderr, "firstboot command is deprecated\n")
    49  	return nil
    50  }