github.com/kubiko/snapd@v0.0.0-20201013125620-d4f3094d9ddf/cmd/snap/cmd_unalias.go (about)

     1  // -*- Mode: Go; indent-tabs-mode: t -*-
     2  
     3  /*
     4   * Copyright (C) 2016 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  	"github.com/snapcore/snapd/i18n"
    24  
    25  	"github.com/jessevdk/go-flags"
    26  )
    27  
    28  type cmdUnalias struct {
    29  	waitMixin
    30  	Positionals struct {
    31  		AliasOrSnap aliasOrSnap `required:"yes"`
    32  	} `positional-args:"true"`
    33  }
    34  
    35  var shortUnaliasHelp = i18n.G("Remove a manual alias, or the aliases for an entire snap")
    36  var longUnaliasHelp = i18n.G(`
    37  The unalias command removes a single alias if the provided argument is a manual
    38  alias, or disables all aliases of a snap, including manual ones, if the
    39  argument is a snap name.
    40  `)
    41  
    42  func init() {
    43  	addCommand("unalias", shortUnaliasHelp, longUnaliasHelp, func() flags.Commander {
    44  		return &cmdUnalias{}
    45  	}, waitDescs.also(nil), []argDesc{
    46  		// TRANSLATORS: This needs to begin with < and end with >
    47  		{name: i18n.G("<alias-or-snap>")},
    48  	})
    49  }
    50  
    51  func (x *cmdUnalias) Execute(args []string) error {
    52  	if len(args) > 0 {
    53  		return ErrExtraArgs
    54  	}
    55  
    56  	id, err := x.client.Unalias(string(x.Positionals.AliasOrSnap))
    57  	if err != nil {
    58  		return err
    59  	}
    60  	chg, err := x.wait(id)
    61  	if err != nil {
    62  		if err == noWait {
    63  			return nil
    64  		}
    65  		return err
    66  	}
    67  
    68  	return showAliasChanges(chg)
    69  }