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Added watching of plugins in dev mode. Changed watcher.
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,76 @@ | ||
| package watcher | ||
|
|
||
| import ( | ||
| "gopkg.in/fsnotify.v1" | ||
| "log" | ||
| "os" | ||
| "path/filepath" | ||
| ) | ||
|
|
||
| var watcher *fsnotify.Watcher | ||
| var watchedDirectories []string | ||
|
|
||
| func Watch(paths []string, extensionsFunctions map[string]func() error) error { | ||
| // Prepare watcher to generate the theme on changes to the files | ||
| if watcher == nil { | ||
| var err error | ||
| watcher, err = createWatcher(extensionsFunctions) | ||
| if err != nil { | ||
| return err | ||
| } | ||
| } else { | ||
| // Remove all current directories from watcher | ||
| for _, dir := range watchedDirectories { | ||
| err := watcher.Remove(dir) | ||
| if err != nil { | ||
| return err | ||
| } | ||
| } | ||
| } | ||
| watchedDirectories = make([]string, 0) | ||
| // Watch all subdirectories in the given paths | ||
| for _, path := range paths { | ||
| err := filepath.Walk(path, func(filePath string, info os.FileInfo, err error) error { | ||
| if info.IsDir() { | ||
| err := watcher.Add(filePath) | ||
| if err != nil { | ||
| return err | ||
| } | ||
| watchedDirectories = append(watchedDirectories, filePath) | ||
| } | ||
| return nil | ||
| }) | ||
| if err != nil { | ||
| return err | ||
| } | ||
| } | ||
| return nil | ||
| } | ||
|
|
||
| func createWatcher(extensionsFunctions map[string]func() error) (*fsnotify.Watcher, error) { | ||
| watcher, err := fsnotify.NewWatcher() | ||
| if err != nil { | ||
| return nil, err | ||
| } | ||
| go func() { | ||
| for { | ||
| select { | ||
| case event := <-watcher.Events: | ||
| if event.Op&fsnotify.Write == fsnotify.Write { | ||
| for key, value := range extensionsFunctions { | ||
| if filepath.Ext(event.Name) == key { | ||
| // Call the function associated with this file extension | ||
| err := value() | ||
| if err != nil { | ||
| log.Panic("Error while reloading theme or plugins:", err) | ||
| } | ||
| } | ||
| } | ||
| } | ||
| case err := <-watcher.Errors: | ||
| log.Println("Error while watching theme directory.", err) | ||
| } | ||
| } | ||
| }() | ||
| return watcher, nil | ||
| } |