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package watchers
import (
"fmt"
"runtime"
)
// FSWatcher is a file system watcher
type FSWatcher interface {
Configure(string) error
Events() chan *FSEvent
// Adds a directory or file to the watcher
Add(string) error
// Removes a directory or file from the watcher
Remove(string) error
}
type FSOperation int
const (
FSCreate FSOperation = iota
FSRemove
FSRename
)
type FSEvent struct {
Operation FSOperation
Path string
}
type WatcherFactoryFunc func() (FSWatcher, error)
var watcherFactory WatcherFactoryFunc
func RegisterWatcherFactory(fn WatcherFactoryFunc) {
watcherFactory = fn
}
func NewWatcher() (FSWatcher, error) {
if watcherFactory == nil {
return nil, fmt.Errorf("Unsupported OS: %s", runtime.GOOS)
}
return watcherFactory()
}
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