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40 lines
1.0 KiB
Go
40 lines
1.0 KiB
Go
// Copyright 2016 Attic Labs, Inc. All rights reserved.
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// Licensed under the Apache License, version 2.0:
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// http://www.apache.org/licenses/LICENSE-2.0
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package file
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import (
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"io"
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"os"
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"path/filepath"
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"runtime"
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"github.com/attic-labs/noms/go/d"
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)
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// DumbCopy copies the contents of a regular file at srcPath (following symlinks) to a new regular file at dstPath. New file is created with same mode.
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func DumbCopy(srcPath, dstPath string) {
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chkClose := func(c io.Closer) { d.PanicIfError(c.Close()) }
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info, err := os.Stat(srcPath)
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d.PanicIfError(err)
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src, err := os.Open(srcPath)
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d.PanicIfError(err)
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defer chkClose(src)
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dst, err := os.OpenFile(dstPath, os.O_WRONLY|os.O_CREATE|os.O_TRUNC, info.Mode())
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d.PanicIfError(err)
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defer chkClose(dst)
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_, err = io.Copy(dst, src)
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d.PanicIfError(err)
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}
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// MyDir returns the directory in which the file containing the calling source code resides.
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func MyDir() string {
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_, path, _, ok := runtime.Caller(1)
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d.PanicIfFalse(ok, "Should have been able to get Caller.")
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return filepath.Dir(path)
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}
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