union: fix ChangeNotify to support multiple remotes
To correctly support multiple remotes, each remote has to receive a value on the input channel.
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1 changed files with 15 additions and 0 deletions
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@ -152,11 +152,26 @@ func (f *Fs) DirMove(src fs.Fs, srcRemote, dstRemote string) error {
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// regulary. When the channel gets closed, the implemantion
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// should stop polling and release resources.
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func (f *Fs) ChangeNotify(fn func(string, fs.EntryType), ch <-chan time.Duration) {
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var remoteChans []chan time.Duration
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for _, remote := range f.remotes {
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if ChangeNotify := remote.Features().ChangeNotify; ChangeNotify != nil {
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ch := make(chan time.Duration)
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remoteChans = append(remoteChans, ch)
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ChangeNotify(fn, ch)
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}
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}
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go func() {
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for i := range ch {
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for _, c := range remoteChans {
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c <- i
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}
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}
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for _, c := range remoteChans {
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close(c)
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}
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}()
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}
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// DirCacheFlush resets the directory cache - used in testing
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