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32 lines
658 B
Go
32 lines
658 B
Go
// Copyright 2013, 2014 Canonical Ltd.
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// Licensed under the LGPLv3, see LICENCE file for details.
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package errors
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import (
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"go/build"
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"os"
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"path/filepath"
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"strings"
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"sync/atomic"
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)
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var trimValue atomic.Value
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var trimDefault = filepath.Join(build.Default.GOPATH, "src") + string(os.PathSeparator)
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func trimSourcePath(filename string) string {
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prefix := trimDefault
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if v := trimValue.Load(); v != nil {
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prefix = v.(string)
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}
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return strings.TrimPrefix(filename, prefix)
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}
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func SetSourceTrimPrefix(s string) string {
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previous := trimDefault
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if v := trimValue.Load(); v != nil {
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previous = v.(string)
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}
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trimValue.Store(s)
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return previous
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}
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