Fix to support hot reload with vim editor changes

webhook.go

@@ -11,6 +11,7 @@ import (
 	"os"
 	"os/exec"
 	"strings"
+	"time"
 
 	"github.com/adnanh/webhook/hook"
 
@@ -427,10 +428,13 @@ func watchForFileChange() {
 				log.Printf("hooks file %s modified\n", event.Name)
 				reloadHooks(event.Name)
 			} else if event.Op&fsnotify.Remove == fsnotify.Remove {
+				if _, err := os.Stat(event.Name); os.IsNotExist(err) {
 					log.Printf("hooks file %s removed, no longer watching this file for changes, removing hooks that were loaded from it\n", event.Name)
 					(*watcher).Remove(event.Name)
 					removeHooks(event.Name)
+				}
 			} else if event.Op&fsnotify.Rename == fsnotify.Rename {
+				time.Sleep(100 * time.Millisecond)
 				if _, err := os.Stat(event.Name); os.IsNotExist(err) {
 					// file was removed
 					log.Printf("hooks file %s removed, no longer watching this file for changes, and removing hooks that were loaded from it\n", event.Name)
@@ -440,6 +444,8 @@ func watchForFileChange() {
 					// file was overwritten
 					log.Printf("hooks file %s overwritten\n", event.Name)
 					reloadHooks(event.Name)
+					(*watcher).Remove(event.Name)
+					(*watcher).Add(event.Name)
 				}
 			}
 		case err := <-(*watcher).Errors: