Move removeFile into go routine

build.go

@@ -39,7 +39,7 @@ func (b *Builder) Build(p *Params) {
 		color.Cyan("Building %s...\n", pkg)
 
 		// build package
-		cmd, err := runCommand("go", "build", "-i", "-o", fileName, pkg)
+		cmd, err := runCommand("go", "build", "-o", fileName, pkg)
 		if err != nil {
 			log.Fatalf("Could not run 'go build' command: %s", err)
 			continue

common_test.go

@@ -8,7 +8,7 @@ func TestParamsGet(t *testing.T) {
 
 	run := params.Get("run")
 	if run != "statler" {
-		t.Error("Expected statler but got %s in params.Get()", run)
+		t.Errorf("Expected statler but got %s in params.Get()", run)
 		t.FailNow()
 	}
 }
@@ -20,7 +20,7 @@ func TestParamsClone(t *testing.T) {
 	params.cloneRunFlag()
 	watch := params.Get("watch")
 	if watch != "statler" {
-		t.Error("Expected statler but got %s when watch param is not set", watch)
+		t.Errorf("Expected statler but got %s when watch param is not set", watch)
 	}
 
 	params.Watcher["watch"] = "waldorf"

run.go

@@ -42,14 +42,15 @@ func (r *Runner) Run(p *Params) {
 		}
 
 		r.cmd = cmd
-		removeFile(fileName)
 
-		go func(cmd *exec.Cmd) {
+		go func(cmd *exec.Cmd, fileName string) {
 			if err := cmd.Wait(); err != nil {
 				log.Printf("process interrupted: %s \n", err)
 				r.kill(cmd)
 			}
-		}(r.cmd)
+
+			removeFile(fileName)
+		}(r.cmd, fileName)
 	}
 }