Apply improvements suggested by the linter

Makefile

@@ -27,6 +27,7 @@ lint:
 		--deadline=120s \
 		--line-length=120 \
 		--enable-all \
+		--disable=gochecknoinits --disable=gochecknoglobals \
 		--vendor ./...
 
 test:

gaper.go

@@ -71,7 +71,8 @@ func Run(cfg *Config, chOSSiginal chan os.Signal) error {
 	return run(cfg, chOSSiginal, builder, runner, watcher)
 }
 
-func run(cfg *Config, chOSSiginal chan os.Signal, builder Builder, runner Runner, watcher Watcher) error { // nolint: gocyclo
+// nolint: gocyclo
+func run(cfg *Config, chOSSiginal chan os.Signal, builder Builder, runner Runner, watcher Watcher) error {
 	if err := builder.Build(); err != nil {
 		return fmt.Errorf("build error: %v", err)
 	}

watcher.go

@@ -89,7 +89,7 @@ func (w *watcher) Watch() {
 }
 
 // Events get events occurred during the watching
-// these events are emited only a file changing is detected
+// these events are emitted only a file changing is detected
 func (w *watcher) Events() chan string {
 	return w.events
 }