28 lines
		
	
	
		
			754 B
		
	
	
	
		
			Go
		
	
	
	
	
	
			
		
		
	
	
			28 lines
		
	
	
		
			754 B
		
	
	
	
		
			Go
		
	
	
	
	
	
| package fs
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| 
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| import "os"
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| 
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| // GetLinkInfo returns an identifier representing the node a hardlink is pointing
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| // to. If the file is not hard linked then 0 will be returned.
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| func GetLinkInfo(fi os.FileInfo) (uint64, bool) {
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| 	return getLinkInfo(fi)
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| }
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| 
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| // getLinkSource returns a path for the given name and
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| // file info to its link source in the provided inode
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| // map. If the given file name is not in the map and
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| // has other links, it is added to the inode map
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| // to be a source for other link locations.
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| func getLinkSource(name string, fi os.FileInfo, inodes map[uint64]string) (string, error) {
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| 	inode, isHardlink := getLinkInfo(fi)
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| 	if !isHardlink {
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| 		return "", nil
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| 	}
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| 
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| 	path, ok := inodes[inode]
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| 	if !ok {
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| 		inodes[inode] = name
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| 	}
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| 	return path, nil
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| }
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