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ddc982c0b1
We don't actually need to export IsTrySnapError, since only the boot package is concerned with any error being a try snap error or a normal/fallback snap error. Signed-off-by: Ian Johnson <ian.johnson@canonical.com>
45 lines
1.3 KiB
Go
45 lines
1.3 KiB
Go
// -*- Mode: Go; indent-tabs-mode: t -*-
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/*
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* Copyright (C) 2020 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 boot
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import "fmt"
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// trySnapError is an error that only applies to the try snaps where multiple
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// snaps are returned, this is mainly and primarily used in revisions().
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type trySnapError string
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func (sre trySnapError) Error() string {
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return string(sre)
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}
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func newTrySnapErrorf(format string, args ...interface{}) error {
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return trySnapError(fmt.Sprintf(format, args...))
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}
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// isTrySnapError returns true if the given error is an error resulting from
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// accessing information about the try snap or the trying status.
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func isTrySnapError(err error) bool {
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switch err.(type) {
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case *trySnapError:
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return true
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}
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return false
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}
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