func unwatchAll() {
fileInfos, err := ioutil.ReadDir(".")
ftmplting.HandleError(err, "Error listing directory")
for _, fi := range fileInfos {
fileName := fi.Name()
if strings.HasPrefix(fileName, watchLockFile) {
err := os.Remove(fileName)
ftmplting.HandleError(err, "Cannot remove "+fileName)
}
}
}
func watchAndRecompile(params ftmplting.Params) {
fmt.Println("Watching for changes in", params.SourceDir)
watcher, err := fsnotify.NewWatcher()
ftmplting.HandleError(err, "Error starting watcher for "+params.SourceDir)
watchLockFile := watchLockFile + fmt.Sprintf("%d", os.Getpid())
_, err = os.Create(watchLockFile)
ftmplting.HandleError(err, "Cannot create "+watchLockFile)
done := make(chan bool)
go func() {
for {
select {
case ev := <-watcher.Event:
if ev != nil {
if strings.HasSuffix(ev.Name, ".tmpl") {
fmt.Println(params.SourceDir, "changed => recompiling:", ev.Name)
ftmplting.Do(params)
}
if ev.Name == watchLockFile && ev.IsDelete() {
fmt.Println("Stop watching " + params.SourceDir)
os.Exit(0)
}
}
case err := <-watcher.Error:
ftmplting.HandleError(err, "Error")
}
}
}()
err = watcher.Watch(params.SourceDir)
ftmplting.HandleError(err, "Error watching "+params.SourceDir)
err = watcher.Watch(watchLockFile)
ftmplting.HandleError(err, "Error watching "+params.SourceDir)
<-done
_ = watcher.Close()
}