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53 lines
913 B
Go
53 lines
913 B
Go
package fileutils
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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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"github.com/spf13/afero"
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)
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// CopyFile copies a file from source to dest and returns
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// an error if any.
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func CopyFile(fs afero.Fs, source, dest string) error {
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// Open the source file.
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src, err := fs.Open(source)
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if err != nil {
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return err
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}
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defer src.Close()
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// Makes the directory needed to create the dst
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// file.
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err = fs.MkdirAll(filepath.Dir(dest), 0666)
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if err != nil {
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return err
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}
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// Create the destination file.
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dst, err := fs.OpenFile(dest, os.O_RDWR|os.O_CREATE|os.O_TRUNC, 0775)
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if err != nil {
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return err
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}
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defer dst.Close()
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// Copy the contents of the file.
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_, err = io.Copy(dst, src)
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if err != nil {
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return err
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}
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// Copy the mode if the user can't
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// open the file.
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info, err := fs.Stat(source)
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if err != nil {
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err = fs.Chmod(dest, info.Mode())
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if err != nil {
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return err
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}
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}
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return nil
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}
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