45 lines
689 B
Go
45 lines
689 B
Go
//+build anal
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package files
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import (
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"crypto/md5"
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"github.com/calmh/syncthing/scanner"
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)
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type key struct {
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Name string
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Version uint64
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Modified int64
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Hash [md5.Size]byte
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}
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func keyFor(f scanner.File) key {
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h := md5.New()
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for _, b := range f.Blocks {
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h.Write(b.Hash)
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}
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return key{
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Name: f.Name,
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Version: f.Version,
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Modified: f.Modified,
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Hash: md5.Sum(nil),
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}
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}
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func (a key) newerThan(b key) bool {
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if a.Version != b.Version {
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return a.Version > b.Version
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}
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if a.Modified != b.Modified {
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return a.Modified > b.Modified
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}
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for i := 0; i < md5.Size; i++ {
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if a.Hash[i] != b.Hash[i] {
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return a.Hash[i] > b.Hash[i]
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}
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}
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return false
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}
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