github.com/stulluk/snapd@v0.0.0-20210611110309-f6d5d5bd24b0/snap/errors.go (about)

     1  // -*- Mode: Go; indent-tabs-mode: t -*-
     2  
     3  /*
     4   * Copyright (C) 2014-2016 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 snap
    21  
    22  import "fmt"
    23  
    24  type AlreadyInstalledError struct {
    25  	Snap string
    26  }
    27  
    28  func (e AlreadyInstalledError) Error() string {
    29  	return fmt.Sprintf("snap %q is already installed", e.Snap)
    30  }
    31  
    32  type NotInstalledError struct {
    33  	Snap string
    34  	Rev  Revision
    35  }
    36  
    37  func (e NotInstalledError) Error() string {
    38  	if e.Rev.Unset() {
    39  		return fmt.Sprintf("snap %q is not installed", e.Snap)
    40  	}
    41  	return fmt.Sprintf("revision %s of snap %q is not installed", e.Rev, e.Snap)
    42  }
    43  
    44  type NotSnapError struct {
    45  	Path string
    46  }
    47  
    48  func (e NotSnapError) Error() string {
    49  	return fmt.Sprintf("%q is not a snap or snapdir", e.Path)
    50  }