28 lines
		
	
	
		
			754 B
		
	
	
	
		
			Go
		
	
	
	
	
	
			
		
		
	
	
			28 lines
		
	
	
		
			754 B
		
	
	
	
		
			Go
		
	
	
	
	
	
package fs
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import "os"
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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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// 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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	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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