mirror of
https://github.com/token2/snapd.git
synced 2026-03-13 11:15:47 -07:00
84 lines
2.2 KiB
Go
84 lines
2.2 KiB
Go
// -*- Mode: Go; indent-tabs-mode: t -*-
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/*
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* Copyright (C) 2014-2016 Canonical Ltd
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 3 as
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* published by the Free Software Foundation.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*
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*/
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package snap
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import (
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"fmt"
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)
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type AlreadyInstalledError struct {
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Snap string
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}
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func (e AlreadyInstalledError) Error() string {
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return fmt.Sprintf("snap %q is already installed", e.Snap)
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}
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type NotInstalledError struct {
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Snap string
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Rev Revision
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}
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func (e NotInstalledError) Error() string {
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if e.Rev.Unset() {
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return fmt.Sprintf("snap %q is not installed", e.Snap)
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}
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return fmt.Sprintf("revision %s of snap %q is not installed", e.Rev, e.Snap)
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}
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func (e *NotInstalledError) Is(err error) bool {
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_, ok := err.(*NotInstalledError)
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return ok
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}
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// NotSnapError is returned if an operation expects a snap file or snap dir
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// but no valid input is provided. When creating it ensure "Err" is set
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// so that a useful error can be displayed to the user.
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type NotSnapError struct {
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Path string
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Err error
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}
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func (e NotSnapError) Error() string {
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// e.Err should always be set but support if not
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if e.Err == nil {
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return fmt.Sprintf("cannot process snap or snapdir %q", e.Path)
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}
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return fmt.Sprintf("cannot process snap or snapdir: %v", e.Err)
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}
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// ComponentNotInstalledError is used when a component is not in the
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// system while trying to manage it.
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type ComponentNotInstalledError struct {
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NotInstalledError
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Component string
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CompRev Revision
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}
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func (e ComponentNotInstalledError) Error() string {
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if e.CompRev.Unset() {
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return fmt.Sprintf("component %q is not installed for revision %s of snap %q",
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e.Component, e.Rev, e.Snap)
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}
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return fmt.Sprintf("revision %s of component %q is not installed for revision %s of snap %q",
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e.CompRev, e.Component, e.Rev, e.Snap)
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}
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