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