40 lines
		
	
	
		
			636 B
		
	
	
	
		
			Go
		
	
	
	
			
		
		
	
	
			40 lines
		
	
	
		
			636 B
		
	
	
	
		
			Go
		
	
	
	
package fileutils
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import (
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	"os"
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	"path"
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	"github.com/spf13/afero"
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)
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// Copy copies a file or folder from one place to another.
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func Copy(fs afero.Fs, src, dst string) error {
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	if src = path.Clean("/" + src); src == "" {
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		return os.ErrNotExist
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	}
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	if dst = path.Clean("/" + dst); dst == "" {
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		return os.ErrNotExist
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	}
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	if src == "/" || dst == "/" {
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		// Prohibit copying from or to the virtual root directory.
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		return os.ErrInvalid
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	}
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	if dst == src {
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		return os.ErrInvalid
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	}
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	info, err := fs.Stat(src)
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	if err != nil {
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		return err
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	}
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	if info.IsDir() {
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		return CopyDir(fs, src, dst)
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	}
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	return CopyFile(fs, src, dst)
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}
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